Magnetic Materials - JD Technologies, LLC · Typical Magnetic Properties of Sintered NdFeB...
Transcript of Magnetic Materials - JD Technologies, LLC · Typical Magnetic Properties of Sintered NdFeB...
Magnetic Materials
800 East Main Street
Louisville, Kentucky USA 40206
502-589-9650 phone / 502-589-9660 fax
www.quadrantmagnetics.com
Section I
Neodymium Iron Boron (NdFeB)
Material Curves
Section II
Samarium Cobalt (SmCo)
Material Curves
Section III
Definitions & Symbols
Section I
Neodymium Iron Boron (NdFeB)
Material Curves
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
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UC
TIO
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B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 40°C 60°C 80°C 100°C 120°C
5.0
N35
Br (Residual flux density) :1.17-1.22 T 11.7-12.2 kGs ≥ 10.9 kOe ≥ 868 kA/m
Hcj (Intrinsic coercive force) : ≥ 12.0 kOe ≥ 955 kA/m
(BH)max (Maximum energy product) : 33-36 MGOe 263-287 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
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B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 40°C 60°C 80°C 100°C 120°C
5.0
N38
Br (Residual flux density) :1.22-1.25 T 12.2-12.5 kGs ≥ 11.3 kOe ≥ 899 kA/m
Hcj (Intrinsic coercive force) : ≥ 12.0 kOe ≥ 955 kA/m
(BH)max (Maximum energy product) : 36-39 MGOe 287-310 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
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B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 40°C 60°C 80°C 100°C 120°C
5.0
N40
Br (Residual flux density) :1.25-1.28 T 12.5-12.8 kGs ≥ 11.4 kOe ≥ 907 kA/m
Hcj (Intrinsic coercive force) : ≥ 12.0 kOe ≥ 955 kA/m
(BH)max (Maximum energy product) : 38-41 MGOe 302-326 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
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T kGs
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B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 40°C 60°C 80°C 100°C 120°C
5.0
N42
Br (Residual flux density) :1.28-1.32 T 12.8-13.2 kGs ≥ 11.5 kOe ≥ 915 kA/m
Hcj (Intrinsic coercive force) : ≥ 12.0 kOe ≥ 955 kA/m
(BH)max (Maximum energy product) : 40-43 MGOe 318-342 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
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B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 40°C 60°C 80°C 100°C 120°C
5.0
N45
Br (Residual flux density) :1.32-1.38 T 13.2-13.8 kGs ≥ 11.6 kOe ≥ 923 kA/m
Hcj (Intrinsic coercive force) : ≥ 12.0 kOe ≥ 955 kA/m
(BH)max (Maximum energy product) : 43-46 MGOe 342-366 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
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B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 40°C 60°C 80°C 100°C 120°C
5.0
N48
Br (Residual flux density) :1.38-1.42 T 13.8-14.2 kGs ≥ 11.6 kOe ≥ 923 kA/m
Hcj (Intrinsic coercive force) : ≥ 12.0 kOe ≥ 955 kA/m
(BH)max (Maximum energy product) : 46-49 MGOe 366-390 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
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B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
Br (Residual flux density) :1.40-1.45 T 14.0-14.5 kGs ≥ 10.0 kOe ≥ 796 kA/m
Hcj (Intrinsic coercive force) : ≥ 11.0 kOe ≥ 876 kA/m
(BH)max (Maximum energy product) : 48-51 MGOe 382-408 kJ/m
Hcb (Normal coercive force) :3
20°C 40°C 60°C 80°C 100°C 120°C
5.0
N50
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
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Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 40°C 60°C 80°C 100°C 120°C
5.0
N52
Br (Residual flux density) :1.43-1.48 T 14.3-14.8 kGs ≥ 10.0 kOe ≥ 796 kA/m
Hcj (Intrinsic coercive force) : ≥ 11.0 kOe ≥ 876 kA/m
(BH)max (Maximum energy product) : 50-53 MGOe 398-422 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
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IND
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B,J
N50
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
- B/H
DEMAGNETIZING FORCE H
20°C 60°C 80°C 100°C 120°C 140°C
5.0
N35M
Br (Residual flux density) :1.17-1.22 T 11.7-12.2 kGs ≥ 10.9 kOe ≥ 868 kA/m
Hcj (Intrinsic coercive force) : ≥ 14.0 kOe ≥ 1114 kA/m
(BH)max (Maximum energy product) : 33-36 MGOe 263-287 kJ/m
Hcb (Normal coercive force) :3
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
Quadrant MagneticsAt the Forefront of Magnetic Solutions
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
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T kGs
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IND
UC
TIO
N
B,J
N50
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
- B/H
DEMAGNETIZING FORCE H
20°C 60°C 80°C 100°C 120°C 140°C
5.0
N38M
Br (Residual flux density) :1.22-1.25 T 12.2-12.5 kGs ≥ 11.3 kOe ≥ 899 kA/m
Hcj (Intrinsic coercive force) : ≥ 14.0 kOe ≥ 1114 kA/m
(BH)max (Maximum energy product) : 36-39 MGOe 287-310 kJ/m
Hcb (Normal coercive force) :3
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
Quadrant MagneticsAt the Forefront of Magnetic Solutions
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
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IND
UC
TIO
N
B,J
N50
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
- B/H
DEMAGNETIZING FORCE H
20°C 60°C 80°C 100°C 120°C 140°C
5.0
N40M
Br (Residual flux density) :1.25-1.28 T 12.5-12.8 kGs ≥ 11.6 kOe ≥ 923 kA/m
Hcj (Intrinsic coercive force) : ≥ 14.0 kOe ≥ 1114 kA/m
(BH)max (Maximum energy product) : 38-41 MGOe 302-326 kJ/m
Hcb (Normal coercive force) :3
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
Quadrant MagneticsAt the Forefront of Magnetic Solutions
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
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T kGs
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IND
UC
TIO
N
B,J
N50
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
- B/H
DEMAGNETIZING FORCE H
20°C 60°C 80°C 100°C 120°C 140°C
5.0
N42M
Br (Residual flux density) :1.28-1.32 T 12.8-13.2 kGs ≥ 12.0 kOe ≥ 955 kA/m
Hcj (Intrinsic coercive force) : ≥ 14.0 kOe ≥ 1114 kA/m
(BH)max (Maximum energy product) : 40-43 MGOe 318-342 kJ/m
Hcb (Normal coercive force) :3
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
Quadrant MagneticsAt the Forefront of Magnetic Solutions
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
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IND
UC
TIO
N
B,J
N50
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
- B/H
DEMAGNETIZING FORCE H
20°C 60°C 80°C 100°C 120°C 140°C
5.0
N45M
Br (Residual flux density) :1.32-1.38 T 13.2-13.8 kGs ≥ 12.5 kOe ≥ 995 kA/m
Hcj (Intrinsic coercive force) : ≥ 14.0 kOe ≥ 1114 kA/m
(BH)max (Maximum energy product) : 43-46 MGOe 342-366 kJ/m
Hcb (Normal coercive force) :3
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
Quadrant MagneticsAt the Forefront of Magnetic Solutions
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
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IND
UC
TIO
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B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 60°C 80°C 100°C 120°C 140°C
5.0
N48M
Br (Residual flux density) :1.36-1.43 T 13.6-14.3 kGs ≥ 12.9 kOe ≥ 1027 kA/m
Hcj (Intrinsic coercive force) : ≥ 14.0 kOe ≥ 1114 kA/m
(BH)max (Maximum energy product) : 46-49 MGOe 366-390 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
0
15
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IND
UC
TIO
N
B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 60°C 80°C 100°C 120°C 140°C
5.0
N50M
Br (Residual flux density) :1.40-1.45 T 14.0-14.5 kGs ≥ 13.0 kOe ≥ 1033 kA/m
Hcj (Intrinsic coercive force) : ≥ 14.0 kOe ≥ 1114 kA/m
(BH)max (Maximum energy product) : 48-51 MGOe 382-406 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
0
15
0
0.2
0.1
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1.5
IND
UC
TIO
N
B,J
N50
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
- B/H
DEMAGNETIZING FORCE H
20°C 60°C 80°C 100°C 120°C 140°C
5.0
N35H
Br (Residual flux density) :1.17-1.22 T 11.7-12.2 kGs ≥ 10.9 kOe ≥ 868 kA/m
Hcj (Intrinsic coercive force) : ≥ 17.0 kOe ≥ 1353 kA/m
(BH)max (Maximum energy product) : 33-36 MGOe 263-287 kJ/m
Hcb (Normal coercive force) :3
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
Quadrant MagneticsAt the Forefront of Magnetic Solutions
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
0
15
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1.5
IND
UC
TIO
N
B,J
N50
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
- B/H
DEMAGNETIZING FORCE H
20°C 60°C 80°C 100°C 120°C 140°C
5.0
N38H
Br (Residual flux density) :1.22-1.25 T 12.2-12.5 kGs ≥ 11.3 kOe ≥ 899 kA/m
Hcj (Intrinsic coercive force) : ≥ 17.0 kOe ≥ 1353 kA/m
(BH)max (Maximum energy product) : 36-39 MGOe 287-310 kJ/m
Hcb (Normal coercive force) :3
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
Quadrant MagneticsAt the Forefront of Magnetic Solutions
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
0
15
0
0.2
0.1
0.3
0.5
0.7
0.9
1.1
1.3
0.4
0.6
0.8
1.0
1.2
1.4
2
1
3
5
7
9
11
13
4
6
8
10
12
14
1.5
IND
UC
TIO
N
B,J
N50
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
- B/H
DEMAGNETIZING FORCE H
20°C 60°C 80°C 100°C 120°C 140°C
5.0
N40H
Br (Residual flux density) :1.25-1.28 T 12.5-12.8 kGs ≥ 11.6 kOe ≥ 923 kA/m
Hcj (Intrinsic coercive force) : ≥ 17.0 kOe ≥ 1353 kA/m
(BH)max (Maximum energy product) : 38-41 MGOe 302-326 kJ/m
Hcb (Normal coercive force) :3
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
Quadrant MagneticsAt the Forefront of Magnetic Solutions
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
0
15
0
0.2
0.1
0.3
0.5
0.7
0.9
1.1
1.3
0.4
0.6
0.8
1.0
1.2
1.4
2
1
3
5
7
9
11
13
4
6
8
10
12
14
1.5
IND
UC
TIO
N
B,J
N50
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
- B/H
DEMAGNETIZING FORCE H
20°C 60°C 80°C 100°C 120°C 140°C
5.0
N42H
Br (Residual flux density) :1.28-1.32 T 12.8-13.2 kGs ≥ 12.0 kOe ≥ 955 kA/m
Hcj (Intrinsic coercive force) : ≥ 17.0 kOe ≥ 1353 kA/m
(BH)max (Maximum energy product) : 40-43 MGOe 318-342 kJ/m
Hcb (Normal coercive force) :3
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
Quadrant MagneticsAt the Forefront of Magnetic Solutions
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
0
15
0
0.2
0.1
0.3
0.5
0.7
0.9
1.1
1.3
0.4
0.6
0.8
1.0
1.2
1.4
2
1
3
5
7
9
11
13
4
6
8
10
12
14
1.5
IND
UC
TIO
N
B,J
N50
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
- B/H
DEMAGNETIZING FORCE H
20°C 60°C 80°C 100°C 120°C 140°C
5.0
N45H
Br (Residual flux density) :1.32-1.38 T 13.2-13.8 kGs ≥ 12.0 kOe ≥ 955 kA/m
Hcj (Intrinsic coercive force) : ≥ 17.0 kOe ≥ 1353 kA/m
(BH)max (Maximum energy product) : 43-46 MGOe 342-366 kJ/m
Hcb (Normal coercive force) :3
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
Quadrant MagneticsAt the Forefront of Magnetic Solutions
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
0
15
0
0.2
0.1
0.3
0.5
0.7
0.9
1.1
1.3
0.4
0.6
0.8
1.0
1.2
1.4
2
1
3
5
7
9
11
13
4
6
8
10
12
14
1.5
IND
UC
TIO
N
B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 60°C 80°C 100°C 120°C 140°C
5.0
N48H
Br (Residual flux density) :1.37-1.43 T 13.7-14.3 kGs ≥ 12.5 kOe ≥ 995 kA/m
Hcj (Intrinsic coercive force) : ≥ 17.0 kOe ≥ 1353 kA/m
(BH)max (Maximum energy product) : 46-49 MGOe 366-390 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
0
15
0
0.2
0.1
0.3
0.5
0.7
0.9
1.1
1.3
0.4
0.6
0.8
1.0
1.2
1.4
2
1
3
5
7
9
11
13
4
6
8
10
12
14
1.5
IND
UC
TIO
N
B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 80°C 100°C 120°C 140°C 160°C
5.0
N33SH
Br (Residual flux density) :1.13-1.17 T 11.3-11.7 kGs ≥ 10.6 kOe ≥ 844 kA/m
Hcj (Intrinsic coercive force) : ≥ 20.0 kOe ≥ 1592 kA/m
(BH)max (Maximum energy product) : 31-34 MGOe 247-271 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
0
15
0
0.2
0.1
0.3
0.5
0.7
0.9
1.1
1.3
0.4
0.6
0.8
1.0
1.2
1.4
2
1
3
5
7
9
11
13
4
6
8
10
12
14
1.5
IND
UC
TIO
N
B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 80°C 100°C 120°C 140°C 160°C
5.0
N35SH
Br (Residual flux density) :1.17-1.22 T 11.7-12.2 kGs ≥ 11.0 kOe ≥ 876 kA/m
Hcj (Intrinsic coercive force) : ≥ 20.0 kOe ≥ 1592 kA/m
(BH)max (Maximum energy product) : 33-36 MGOe 263-287 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
0
15
0
0.2
0.1
0.3
0.5
0.7
0.9
1.1
1.3
0.4
0.6
0.8
1.0
1.2
1.4
2
1
3
5
7
9
11
13
4
6
8
10
12
14
1.5
IND
UC
TIO
N
B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 80°C 100°C 120°C 140°C 160°C
5.0
N38SH
Br (Residual flux density) :1.22-1.25 T 12.2-12.5 kGs ≥ 11.4 kOe ≥ 907 kA/m
Hcj (Intrinsic coercive force) : ≥ 20.0 kOe ≥ 1592 kA/m
(BH)max (Maximum energy product) : 36-39 MGOe 287-310 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
0
15
0
0.2
0.1
0.3
0.5
0.7
0.9
1.1
1.3
0.4
0.6
0.8
1.0
1.2
1.4
2
1
3
5
7
9
11
13
4
6
8
10
12
14
1.5
IND
UC
TIO
N
B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 80°C 100°C 120°C 140°C 160°C
5.0
N40SH
Br (Residual flux density) :1.24-1.28 T 12.4-12.8 kGs ≥ 11.8 kOe ≥ 939 kA/m
Hcj (Intrinsic coercive force) : ≥ 20.0 kOe ≥ 1592 kA/m
(BH)max (Maximum energy product) : 38-41 MGOe 302-326 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
0
15
0
0.2
0.1
0.3
0.5
0.7
0.9
1.1
1.3
0.4
0.6
0.8
1.0
1.2
1.4
2
1
3
5
7
9
11
13
4
6
8
10
12
14
1.5
IND
UC
TIO
N
B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 80°C 100°C 120°C 140°C 160°C
5.0
N42SH
Br (Residual flux density) :1.28-1.32 T 12.8-13.2 kGs ≥ 12.4 kOe ≥ 987 kA/m
Hcj (Intrinsic coercive force) : ≥ 20.0 kOe ≥ 1592 kA/m
(BH)max (Maximum energy product) : 40-43 MGOe 318-342 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
0
15
0
0.2
0.1
0.3
0.5
0.7
0.9
1.1
1.3
0.4
0.6
0.8
1.0
1.2
1.4
2
1
3
5
7
9
11
13
4
6
8
10
12
14
1.5
IND
UC
TIO
N
B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 80°C 100°C 120°C 140°C 160°C
5.0
N45SH
Br (Residual flux density) :1.32-1.38 T 13.2-13.8 kGs ≥ 12.6 kOe ≥ 1003 kA/m
Hcj (Intrinsic coercive force) : ≥ 20.0 kOe ≥ 1592 kA/m
(BH)max (Maximum energy product) : 43-46 MGOe 342-366 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
0
15
0
0.2
0.1
0.3
0.5
0.7
0.9
1.1
1.3
0.4
0.6
0.8
1.0
1.2
1.4
2
1
3
5
7
9
11
13
4
6
8
10
12
14
1.5
IND
UC
TIO
N
B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 100°C 120°C 140°C 160°C 180°C
5.0
N30UH
Br (Residual flux density) :1.08-1.13 T 10.8-11.3 kGs ≥ 10.2 kOe ≥ 812 kA/m
Hcj (Intrinsic coercive force) : ≥ 25.0 kOe ≥ 1990 kA/m
(BH)max (Maximum energy product) : 28-31 MGOe 223-247 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
0
15
0
0.2
0.1
0.3
0.5
0.7
0.9
1.1
1.3
0.4
0.6
0.8
1.0
1.2
1.4
2
1
3
5
7
9
11
13
4
6
8
10
12
14
1.5
IND
UC
TIO
N
B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 100°C 120°C 140°C 160°C 180°C
5.0
N33UH
Br (Residual flux density) :1.13-1.17 T 11.3-11.7 kGs ≥ 10.7 kOe ≥ 852 kA/m
Hcj (Intrinsic coercive force) : ≥ 25.0 kOe ≥ 1990 kA/m
(BH)max (Maximum energy product) : 31-34 MGOe 247-271 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
0
15
0
0.2
0.1
0.3
0.5
0.7
0.9
1.1
1.3
0.4
0.6
0.8
1.0
1.2
1.4
2
1
3
5
7
9
11
13
4
6
8
10
12
14
1.5
IND
UC
TIO
N
B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 100°C 120°C 140°C 160°C 180°C
5.0
N35UH
Br (Residual flux density) :1.18-1.22 T 11.8-12.2 kGs ≥ 10.8 kOe ≥ 860 kA/m
Hcj (Intrinsic coercive force) : ≥ 25.0 kOe ≥ 1990 kA/m
(BH)max (Maximum energy product) : 33-36 MGOe 263-287 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
0
15
0
0.2
0.1
0.3
0.5
0.7
0.9
1.1
1.3
0.4
0.6
0.8
1.0
1.2
1.4
2
1
3
5
7
9
11
13
4
6
8
10
12
14
1.5
IND
UC
TIO
N
B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 100°C 120°C 140°C 160°C 180°C
5.0
N38UH
Br (Residual flux density) :1.22-1.25 T 12.2-12.5 kGs ≥ 11.3 kOe ≥ 899 kA/m
Hcj (Intrinsic coercive force) : ≥ 25.0 kOe ≥ 1990 kA/m
(BH)max (Maximum energy product) : 36-39 MGOe 287-310 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
0
15
0
0.2
0.1
0.3
0.5
0.7
0.9
1.1
1.3
0.4
0.6
0.8
1.0
1.2
1.4
2
1
3
5
7
9
11
13
4
6
8
10
12
14
1.5
IND
UC
TIO
N
B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 100°C 120°C 140°C 160°C 180°C
5.0
N40UH
Br (Residual flux density) :1.24-1.28 T 12.4-12.8 kGs ≥ 11.3 kOe ≥ 899 kA/m
Hcj (Intrinsic coercive force) : ≥ 25.0 kOe ≥ 1990 kA/m
(BH)max (Maximum energy product) : 38-41 MGOe 302-326 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
0
15
0
0.2
0.1
0.3
0.5
0.7
0.9
1.1
1.3
0.4
0.6
0.8
1.0
1.2
1.4
2
1
3
5
7
9
11
13
4
6
8
10
12
14
1.5
IND
UC
TIO
N
B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 120°C 140°C 160°C 180°C 200°C
5.0
N30EH
Br (Residual flux density) :1.08-1.13 T 10.8-11.3 kGs ≥ 10.2 kOe ≥ 812 kA/m
Hcj (Intrinsic coercive force) : ≥ 30.0 kOe ≥ 2388 kA/m
(BH)max (Maximum energy product) : 28-31 MGOe 223-247 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
0
15
0
0.2
0.1
0.3
0.5
0.7
0.9
1.1
1.3
0.4
0.6
0.8
1.0
1.2
1.4
2
1
3
5
7
9
11
13
4
6
8
10
12
14
1.5
IND
UC
TIO
N
B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 120°C 140°C 160°C 180°C 200°C
5.0
N33EH
Br (Residual flux density) :1.13-1.17 T 11.3-11.7 kGs ≥ 10.5 kOe ≥ 836 kA/m
Hcj (Intrinsic coercive force) : ≥ 30.0 kOe ≥ 2388 kA/m
(BH)max (Maximum energy product) : 31-34 MGOe 247-271 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
0
15
0
0.2
0.1
0.3
0.5
0.7
0.9
1.1
1.3
0.4
0.6
0.8
1.0
1.2
1.4
2
1
3
5
7
9
11
13
4
6
8
10
12
14
1.5
IND
UC
TIO
N
B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 120°C 140°C 160°C 180°C 200°C
5.0
N35EH
Br (Residual flux density) :1.17-1.22 T 11.7-12.2 kGs ≥ 11.0 kOe ≥ 876 kA/m
Hcj (Intrinsic coercive force) : ≥ 30.0 kOe ≥ 2388 kA/m
(BH)max (Maximum energy product) : 33-36 MGOe 263-287 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
0
15
0
0.2
0.1
0.3
0.5
0.7
0.9
1.1
1.3
0.4
0.6
0.8
1.0
1.2
1.4
2
1
3
5
7
9
11
13
4
6
8
10
12
14
1.5
IND
UC
TIO
N
B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 120°C 140°C 160°C 180°C 200°C
5.0
N38EH
Br (Residual flux density) :1.22-1.25 T 12.2-12.5 kGs ≥ 11.3 kOe ≥ 899 kA/m
Hcj (Intrinsic coercive force) : ≥ 30.0 kOe ≥ 2388 kA/m
(BH)max (Maximum energy product) : 36-39 MGOe 287-310 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
0
15
0
0.2
0.1
0.3
0.5
0.7
0.9
1.1
1.3
0.4
0.6
0.8
1.0
1.2
1.4
2
1
3
5
7
9
11
13
4
6
8
10
12
14
1.5
IND
UC
TIO
N
B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 140°C 160°C 180°C 200°C 220°C
5.0
N30AH
Br (Residual flux density) :1.08-1.13 T 10.8-11.3 kGs ≥ 10.2 kOe ≥ 812 kA/m
Hcj (Intrinsic coercive force) : ≥ 34.0 kOe ≥ 2706 kA/m
(BH)max (Maximum energy product) : 28-31 MGOe 223-247 kJ/m
Hcb (Normal coercive force) :3
Quadrant
kOe -5-10-15-20 0
kA/m 0-200-400-600-800-1000-1200-1400-1600
2.01.00.75
0.5
0.3
T kGs
0
15
0
0.2
0.1
0.3
0.5
0.7
0.9
1.1
1.3
0.4
0.6
0.8
1.0
1.2
1.4
2
1
3
5
7
9
11
13
4
6
8
10
12
14
1.5
IND
UC
TIO
N
B,J
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
N50Quadrant Magnetics
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
Magnetic PropertySpecifications :
At the Forefront of Magnetic Solutions
- B/H
DEMAGNETIZING FORCE H
20°C 140°C 160°C 180°C 200°C 220°C
5.0
N33AH
Br (Residual flux density) :1.13-1.17 T 11.3-11.7 kGs ≥ 10.5 kOe ≥ 836 kA/m
Hcj (Intrinsic coercive force) : ≥ 34.0 kOe ≥ 2706 kA/m
(BH)max (Maximum energy product) : 31-34 MGOe 247-271 kJ/m
Hcb (Normal coercive force) :3
Section II
Samarium Cobalt (SmCo)
Material Curves
Quadrant
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
Quadrant Magnetics
T kGs
kOe -5-10-15-20-25-30 0
kA/m 0-200-400-600-800-1000-1200-1400-1600-1800-2000-2200-24000
2
4
6
8
10
12
0
0.2
0.4
0.6
0.8
1.0
1.2
At the Forefront of Magnetic Solutions
- B/H
IND
UC
TIO
N
B,J
DEMAGNETIZING FORCE H
5.02.01.00.750.5
0.3
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
0.1
20°C 100°C 150°C 200°C 250°C 300°CSmCo SmCo 16A16A
Magnetic PropertySpecifications :
Br (Residual flux density) : 0.80-0.90 T 8.00-9.00 kGs 7.70-8.70 kOe 613-692 kA/m
Hcj (Intrinsic coercive force) : >25.0 kOe >1,989 kA/m
(BH)max (Maximum energy product) : 16±2 MGOe 127±16 kJ/m
Hcb (Normal coercive force) :3
Quadrant
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
Quadrant Magnetics
T kGs
kOe -5-10-15-20-25-30 0
kA/m 0-200-400-600-800-1000-1200-1400-1600-1800-2000-2200-24000
2
4
6
8
10
12
0
0.2
0.4
0.6
0.8
1.0
1.2
At the Forefront of Magnetic Solutions
- B/H
IND
UC
TIO
N
B,J
DEMAGNETIZING FORCE H
5.02.01.00.750.5
0.3
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
0.1
20°C 100°C 150°C 200°C 250°CSmCo SmCo 16B16B
Magnetic PropertySpecifications :
Br (Residual flux density) : 0.80-0.90 T 8.00-9.00 kGs 7.70-8.70 kOe 613-692 kA/m
Hcj (Intrinsic coercive force) : >18.0 kOe >1,432 kA/m
(BH)max (Maximum energy product) : 16±2 MGOe 127±16 kJ/m
Hcb (Normal coercive force) :3
Quadrant
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
Quadrant Magnetics
T kGs
kOe -5-10-15-20-25-30 0
kA/m 0-200-400-600-800-1000-1200-1400-1600-1800-2000-2200-24000
2
4
6
8
10
12
0
0.2
0.4
0.6
0.8
1.0
1.2
At the Forefront of Magnetic Solutions
- B/H
IND
UC
TIO
N
B,J
DEMAGNETIZING FORCE H
5.02.01.00.750.5
0.3
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
0.1
20°C 100°C 150°C 200°C 250°C 300°CSmCo SmCo 20A20A
Magnetic PropertySpecifications :
Br (Residual flux density) : 0.88-1.00 T 8.80-10.0 kGs 8.0-9.50 kOe 637-756 kA/m
Hcj (Intrinsic coercive force) : >25.0 kOe >1,989 kA/m
(BH)max (Maximum energy product) : 20±2 MGOe 159±16 kJ/m
Hcb (Normal coercive force) :3
Quadrant
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
Quadrant Magnetics
T kGs
kOe -5-10-15-20-25-30 0
kA/m 0-200-400-600-800-1000-1200-1400-1600-1800-2000-2200-24000
2
4
6
8
10
12
0
0.2
0.4
0.6
0.8
1.0
1.2
At the Forefront of Magnetic Solutions
- B/H
IND
UC
TIO
N
B,J
DEMAGNETIZING FORCE H
5.02.01.00.750.5
0.3
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
0.1
20°C 100°C 150°C 200°C 250°CSmCo SmCo 20B20B
Magnetic PropertySpecifications :
Br (Residual flux density) : 0.88-1.00 T 8.80-10.0 kGs 8.00-9.50 kOe 637-756 kA/m
Hcj (Intrinsic coercive force) : >18.0 kOe >1,432 kA/m
(BH)max (Maximum energy product) : 20±2 MGOe 159±16 kJ/m
Hcb (Normal coercive force) :3
Quadrant
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
Quadrant Magnetics
T kGs
kOe -5-10-15-20-25-30 0
kA/m 0-200-400-600-800-1000-1200-1400-1600-1800-2000-2200-24000
2
4
6
8
10
12
0
0.2
0.4
0.6
0.8
1.0
1.2
At the Forefront of Magnetic Solutions
- B/H
IND
UC
TIO
N
B,J
DEMAGNETIZING FORCE H
5.02.01.00.750.5
0.3
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
0.1
20°C 100°C 150°C 200°C 250°C 300°CSmCo SmCo 22A22A
Magnetic PropertySpecifications :
Br (Residual flux density) : 1.00-1.02 T 10.0-10.2 kGs 8.5-9.30 kOe 676-740 kA/m
Hcj (Intrinsic coercive force) : >30.0 kOe >2,387 kA/m
(BH)max (Maximum energy product) : 22±2 MGOe 175±16 kJ/m
Hcb (Normal coercive force) :3
Quadrant T kGs
kOe -5-10-15-20-25-30 0
kA/m 0-200-400-600-800-1000-1200-1400-1600-1800-2000-2200-24000
2
4
6
8
10
12
0
0.2
0.4
0.6
0.8
1.0
1.2- B/H
IND
UC
TIO
N
B,J
DEMAGNETIZING FORCE H
5.02.01.00.750.5
0.3
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
0.1
20°C 100°C 150°C 200°C 250°CSmCo SmCo 22B22B
Magnetic PropertySpecifications :
Br (Residual flux density) : 1.00-1.02 T 10.0-10.2 kGs 8.00-9.00 kOe 637-716 kA/m
Hcj (Intrinsic coercive force) : >10.0 kOe >796 kA/m
(BH)max (Maximum energy product) : 22±2 MGOe 175±16 kJ/m
Hcb (Normal coercive force) :3
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
Quadrant MagneticsAt the Forefront of Magnetic Solutions
Quadrant
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
Quadrant Magnetics
T kGs
kOe -5-10-15-20-25-30 0
kA/m 0-200-400-600-800-1000-1200-1400-1600-1800-2000-2200-24000
2
4
6
8
10
12
0
0.2
0.4
0.6
0.8
1.0
1.2
Magnetic PropertySpecifications :
Br (Residual flux density) : 1.02-1.04 T 10.2-10.4 kGs 8.7-9.5 kOe 692-756 kA/m
Hcj (Intrinsic coercive force) : >30.0 kOe >2,387 kA/m
(BH)max (Maximum energy product) :24±2 MGOe 192±16 kJ/m
Hcb (Normal coercive force) :
At the Forefront of Magnetic Solutions
- B/H
IND
UC
TIO
N
B,J
DEMAGNETIZING FORCE H
5.02.01.00.750.5
0.3
3
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
0.1
20°C 100°C 150°C 200°C 250°C 300°CSmCo SmCo 24A24A
Quadrant T kGs
kOe -5-10-15-20-25-30 0
kA/m 0-200-400-600-800-1000-1200-1400-1600-1800-2000-2200-24000
2
4
6
8
10
12
0
0.2
0.4
0.6
0.8
1.0
1.2- B/H
IND
UC
TIO
N
B,J
DEMAGNETIZING FORCE H
5.02.01.00.750.5
0.3
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
0.1
20°C 100°C 150°C 200°C 250°CSmCo SmCo 24B24B
Magnetic PropertySpecifications :
Br (Residual flux density) : 1.02-1.04 T 10.2-10.4 kGs 8.00-9.50 kOe 637-756 kA/m
Hcj (Intrinsic coercive force) : >10.0 kOe >796 kA/m
(BH)max (Maximum energy product) : 24±2 MGOe 192±16 kJ/m
Hcb (Normal coercive force) :3
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
Quadrant MagneticsAt the Forefront of Magnetic Solutions
Quadrant
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
Quadrant Magnetics
T kGs
kOe -5-10-15-20-25-30 0
kA/m 0-200-400-600-800-1000-1200-1400-1600-1800-2000-2200-24000
2
4
6
8
10
12
0
0.2
0.4
0.6
0.8
1.0
1.2
Magnetic PropertySpecifications :
Br (Residual flux density) : 1.04-1.06 T 10.4-10.6 kGs 9.5-10.5 kOe 756-836 kA/m
Hcj (Intrinsic coercive force) : >26 kOe >2,069 kA/m
(BH)max (Maximum energy product) :26±2 MGOe 207±16 kJ/m
Hcb (Normal coercive force) :
At the Forefront of Magnetic Solutions
- B/H
IND
UC
TIO
N
B,J
DEMAGNETIZING FORCE H
5.02.01.00.750.5
0.3
3
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
0.1
20°C 100°C 150°C 200°C 250°C 300°CSmCo SmCo 26A26A
Quadrant
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
Quadrant Magnetics
T kGs
kOe -5-10-15-20-25-30 0
kA/m 0-200-400-600-800-1000-1200-1400-1600-1800-2000-2200-24000
2
4
6
8
10
12
0
0.2
0.4
0.6
0.8
1.0
1.2
At the Forefront of Magnetic Solutions
- B/H
IND
UC
TIO
N
B,J
DEMAGNETIZING FORCE H
5.02.01.00.750.5
0.3
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
0.1
20°C 100°C 150°C 200°C 250°CSmCo SmCo 26B26B
Magnetic PropertySpecifications :
Br (Residual flux density) : 1.04-1.06 T 10.4-10.6 kGs 9.00-10.0 kOe 716-796 kA/m
Hcj (Intrinsic coercive force) : >10.0 kOe >796 kA/m
(BH)max (Maximum energy product) : 26±2 MGOe 207±16 kJ/m
Hcb (Normal coercive force) :3
Quadrant
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
Quadrant Magnetics
T kGs
kOe -5-10-15-20-25-30 0
kA/m 0-200-400-600-800-1000-1200-1400-1600-1800-2000-2200-24000
2
4
6
8
10
12
0
0.2
0.4
0.6
0.8
1.0
1.2
Magnetic PropertySpecifications :
Br (Residual flux density) : 1.06-1.08 T 10.6-10.8 kGs 9.5-10.5 kOe 756-836 kA/m
Hcj (Intrinsic coercive force) : >25 kOe >1,989 kA/m
(BH)max (Maximum energy product) :28±2 MGOe 223±16 kJ/m
Hcb (Normal coercive force) :
At the Forefront of Magnetic Solutions
- B/H
IND
UC
TIO
N
B,J
DEMAGNETIZING FORCE H
5.02.01.00.750.5
0.3
3
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
0.1
20°C 100°C 150°C 200°C 250°C 300°CSmCo SmCo 28A28A
Quadrant
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
Quadrant Magnetics
T kGs
kOe -5-10-15-20-25-30 0
kA/m 0-200-400-600-800-1000-1200-1400-1600-1800-2000-2200-24000
2
4
6
8
10
12
0
0.2
0.4
0.6
0.8
1.0
1.2
At the Forefront of Magnetic Solutions
- B/H
IND
UC
TIO
N
B,J
DEMAGNETIZING FORCE H
5.02.01.00.750.5
0.3
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
0.1
20°C 100°C 150°C 200°C 250°CSmCo SmCo 28B28B
Magnetic PropertySpecifications :
Br (Residual flux density) : 1.06-1.08 T 10.6-10.8 kGs 9.00-10.0 kOe 716-796 kA/m
Hcj (Intrinsic coercive force) : >10.0 kOe >796 kA/m
(BH)max (Maximum energy product) : 28±2 MGOe 223±16 kJ/m
Hcb (Normal coercive force) :3
Quadrant
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
Quadrant Magnetics
T kGs
kOe -5-10-15-20-25-30 0
kA/m 0-200-400-600-800-1000-1200-1400-1600-1800-2000-2200-24000
2
4
6
8
10
12
0
0.2
0.4
0.6
0.8
1.0
1.2
Magnetic PropertySpecifications :
Br (Residual flux density) : 1.08-1.15 T 10.8-11.5 kGs 9.5-10.5 kOe 756-836 kA/m
Hcj (Intrinsic coercive force) : >25 kOe >1,989 kA/m
(BH)max (Maximum energy product) :30±2 MGOe 239±16 kJ/m
Hcb (Normal coercive force) :
At the Forefront of Magnetic Solutions
- B/H
IND
UC
TIO
N
B,J
DEMAGNETIZING FORCE H
5.02.01.00.750.5
0.3
3
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
0.1
20°C 100°C 150°C 200°C 250°C 300°CSmCo SmCo 30A30A
Quadrant
Quadrant Magnetics · 800 E. Main St. Louisville, Ky 40206 · Phone(502)589-9650 · Fax(502)589-9660 www.quadrantmagnetics.com · Louisville, KY · Morgan Hill, CA · Hangzhou China
Quadrant Magnetics
T kGs
kOe -5-10-15-20-25-30 0
kA/m 0-200-400-600-800-1000-1200-1400-1600-1800-2000-2200-24000
2
4
6
8
10
12
0
0.2
0.4
0.6
0.8
1.0
1.2
At the Forefront of Magnetic Solutions
- B/H
IND
UC
TIO
N
B,J
DEMAGNETIZING FORCE H
5.02.01.00.750.5
0.3
1 kA/m = 12.566 Oe1 kOe = 79.577 kA/m
0.1
20°C 100°C 150°C 200°C 250°CSmCo SmCo 30B30B
Magnetic PropertySpecifications :
Br (Residual flux density) : 1.08-1.15 T 10.8-11.5 kGs 9.00-10.0 kOe 716-796 kA/m
Hcj (Intrinsic coercive force) : >10.0 kOe >796 kA/m
(BH)max (Maximum energy product) : 30±2 MGOe 239±16 kJ/m
Hcb (Normal coercive force) :3
Section III
Definitions & Symbols
Magnetic Definitions
A/m – Ampere turns per meter = The MKS unit of magnetic field strength (1 A/m = 4π/1000 Oersteds ≈
0.01257 Oersteds)
Air Gap - A nonmagnetic discontinuity in a magnetic circuit.
Anisotropic – Not isotropic. Anisotropic materials have a grain orientation aligned in the preferred
direction of magnetization. Most magnets are anisotropic and have higher induction than isotropic
materials
BH Curve – The plot of B (Induction) vs. H (applied magnetic field) for a magnetic material
cgs – A system of units utilizing centimeters, grams, seconds, Gauss, Oersteds, and Maxwells.
Coercivity - Coercive force - resistance to demagnetization; HC , Hcb, Hci, or Hcj
Curie Temperature – The temperature at which a magnet becomes nonmagnetic
Demagnetization curve – The portion of the hysteresis loop that lies between the residual induction point
(B @ H=0) to the point where B = 0. (All coordinates of the demagnetization curve have a negative H.) The
second (or fourth) quadrant of a major hysteresis loop.
Eddy Current – The circular electrical current produced when a magnetic field changes in an electrical
conductor
Ferromagnetic – A class of materials with permeabilities significantly greater than one and that exhibit
hysteresis properties. Ferromagnetic materials contain Iron, Cobalt, and/or Nickel
Flux (φ) -The product of flux density and magnet area (or the integral of flux density over a magnet’s pole-
face area). That entity which flows from one pole to the other in a magnetic circuit. The flow of flux in a
magnetic circuit is analogous to the current flow in an electrical circuit. Flux is measured in Maxwells or
Webers.
o Lines of flux are continuous
o Lines of flux never cross
o Lines of flux take the path of least resistance
Flux density - Induction = B – The Concentration of flux over a given area. Flux density is measured in
Gauss or Tesla.
Fluxmeter – Integrating voltmeter => Use in conjunction with a coil to measure flux
Gauss (G or Gs) – The unit of flux density in the cgs system 1 Gauss = 1 Maxwell/cm2 (1 Gauss = 10-4 Tesla)
Gaussmeter – Device used in conjunction with a hall probe to measure flux density
Hard Magnetic Material – Permanent Magnet - Magnetic material with substantial coercivity; generally >
120 Oe.
Helmholtz Coils – Two identical coils of wire (wound in series and separated by one coil radius) which can
be used to measure a magnetic field when attached to a fluxmeter, or to create, a magnetic field when
attached to a current supply
Hysteresis Loop – Full four-quadrant graph characterizing the relationship of the induction of a magnetic
material to an applied magnetic field
Hysteresisgraph - Permeameter - Curve Tracer - Applies a magnetic field to a magnetic material and plots
the induction versus that varying field
Induction - Flux density = B - Concentration of flux over a given area measured in Gauss or Tesla
Intrinsic Coercivity - Total resistance to demagnetization (Hci or Hcj) = the amount of magnetic force
required to completely demagnetize a magnetic material. After applying an Hcj amount of demagnetizing
field, Bi = 0.
Intrinsic Curve - The plot of the intrinsic induction vs. applied magnetic field B – H vs. H or Bi vs. H curve (as
opposed to the normal curve)
Irrecoverable losses – Those magnet losses that cannot be recovered by any means.
Isotropic – Isotropic materials are identical in all directions (Demagnetization curves run on isotropic
materials are identical regardless of the direction in which the material is magnetized)
Keeper – A piece of high permeability material placed on, or between, the magnet pole face(s) that is used
to decrease reluctance and thereby decreasing the magnet’s susceptibility to demagnetization.
kJ/m3 - Units of energy in MKS system (1 kJ/m3 = 4π/100 MGOe ≈ 0.1257 MGOe)
Knee of the Curve – That portion of the demagnetization curve where the shape of the line turns from
near-straight to curved
Leakage - Leakage Flux (σ) - The lines of flux that do not travel through the area where you want to use
them (useless flux)
Lines - Lines of Flux. 1 Line of flux = 1 Maxwell
Magnetic Circuit – A closed path of magnetic flux that contains flux at every point
Maxwell – cgs unit of flux (1 Maxwell = 10-8 Webers)
Meter Kilogram Second (MKS) – The MKS system of units expresses terms in fundamental units of meters,
kilograms, seconds, Tesla, Ampere turns/meter, or Webers.
MGO - MGOe - Million Gauss Oersteds - The cgs unit of magnetic energy product (1 MGO = (100/4π) kJ/m3
≈ 7.96 kJ/m3)
Neutral zone – that area of a permanent magnet where the polarity changes and little or no flux is
produced.
Normal Coercivity - (Hc or Hcb); That exact amount of demagnetizing field required to negate the
magnetic field produced by a permanent magnet.
Normal Curve – The B vs. H curve of a magnetic material (as opposed to the B – H vs. H intrinsic curve)
North Pole - The magnet pole attracted to the earth’s North. (The earth’s geographic North Pole is a
magnetic South Pole.)
Oersted – The cgs unit of magnetic field strength (1 Oersted ≈ 79.6 A/m)
Open Circuit – A magnet is said to be operating open-circuit when it is separated from other magnetic
materials
Operating Point – That point where the load line crosses the normal curve (Bd, Hd)
Permeance - Permeance Coefficient - Load Line = Pc = Bd/Hd = [(Area of the gap / Length of the gap)
*(Length of the magnet / Area of the magnet) * (Leakage/Reluctance)]. The slope of a line drawn on the
demagnetization curve from the coordinate 0,0 to the operating point Bd/Hd (It is usually a negative
number, but the sign is typically omitted.) The MKS system of units is Henrys, the cgs is Maxwells/gilbert.
Permeance Coefficient - Load Line - The slope of a line drawn from the coordinate 0,0 to the point Bd/Hd (It
is usually a negative number, but the sign is often omitted)
Permeability – (µ) The ratio of the flux density in a material to the magnetic force producing it.
(Permeabilities are typically specific to the magnitude of the applied field.) Its MKS system of units is
Henrys/meter and it is unitless in the cgs system.
Recoverable losses – those magnet loses that can be recovered by remagnetization.
Initial Permeability - (µ0) The ratio of change in flux density as a function of incremental change in applied
field very near H=0.
Recoil Permeability - (µre) is the average slope of the recoil hysteresis loop. (This recoil hysteresis loop is
also known as a minor loop.)
Relative Permeability - (µr) The ratio of the permeability of a substance to the permeability of a vacuum at
the same applied field level.
Residual Induction - (Br) After magnetization to saturation, Br is the magnetic induction corresponding to
the point where zero magnetizing/demagnetizing field is applied.
Pole Piece - A piece of soft magnetic material added to a permanent magnet used to redirect the flux.
Reluctance – (Rf) A magnetic circuit’s resistance to the flow of flux; (the reciprocal of permeance. The
reluctance of magnetic flux in a magnetic circuit is analogous to the resistance to current flow in an
electrical circuit.
It’s MKS units are 1/Henry, the cgs units are gilberts/Maxwell.
Reversible temperature coefficient – The changes in a magnet’s unit properties (typically Br or Hcj) due to
a change in temperature; typically expressed in units of %/°C.
Saturation – (1) When a soft magnetic material reaches saturation, it cannot carry any more flux. After
saturation, a material reacts to additional flux as if that material has a permeability of 1.0 (the same as air)
(2) When we say we magnetize a permanent magnet to saturation, we mean that magnetizing with any
higher field will not result in additional B.
Search Coil - is a coiled electrical conductor, of known turns and usually of known area, which is used with
a Fluxmeter to measure the change of flux from one position to another. Most often the coil tightly
encircles a permanent magnet at its transition zone and that magnet’s total flux is measured, by the
Fluxmeter, when the coil is slipped off.
Soft magnetic material – Magnetic material with low resistance to demagnetization
South Pole - The magnet pole attracted to the bottom of the earth and to a magnet’s North pole.
Structural loses - A type of irrecoverable loss that happens when the magnet’s fundamental physical
properties are changed.
Temperature coefficient - The change of a property as a function of change in temperature. In the
magnetic context; that amount of change a magnet’s induction or coercivity experiences as the magnet’s
temperature changes (usually expressed in units of: (%/oC) {i.e. the temperature coefficient of residual
induction = ΔBr/(Br * ΔT) and the temperature coefficient of coercivity = ΔHci/(Hci * ΔT)}
Tesla - The MKS unit of flux density (1 Tesla = 104 Gauss)
Transition zone - that area of a permanent magnet where the polarity changes
Weber - The MKS unit of flux (1 Weber = 108 Maxwells)
References:
1. Permanent Magnets and Their Applications, Rollin J. Parker and Robert J. Studders, John Wiley & Sons, New
York, 1962
2. Permanent Magnet Design and Application Handbook, Lester R. Moskowitz, Keieger Publishing Company,
Malabar Florida, 1995
3. Permanent Magnet Guidelines, MMPA PMG-88, various authors, Publication of MMPA, 8 South Michigan
Avenue, Suite 1000, Chicago, IL, 1988
Symbols
α = Reversible temperature coefficient of Br (αBr); also
sometimes used with Hcj
A/m = Ampere turns per meter
Am = Area of magnet
Ag = Area of gap
B = Induction = flux density
β = reversible temperature coefficient of Hcj
Bd = Induction at the operating permeance; sometimes
induction at max energy
Bg = Magnetic induction in the air gap
Bi = J = Intrinsic Induction at the operating permeance
Bm = Recoil Induction
Br = Residual Induction
Bsat = Saturation Induction
B/H = Pc = Load line (slope of) = Permeance
(BH)max = Maximum energy product
eV = Electron volt
F = Leakage factor
F = Magnetomotive force
φ = Flux
G = Gauss
Gb = Gilberts
H = Magnetic Field (or Magnetic Force)
H = Henries
Hcb = Hc = Normal Coercive Force
Hcj = Hci = Intrinsic Coercive Force
Hd = H at the operating permeance; sometimes H at max
energy
Hk = The H coordinate of the point where Bi = 0.9*Br
Hm = The value of H corresponding to the recoil induction;
Bm
J = Bi = Intrinsic Induction
J = Joules
J/m3 = Joules per cubic meter
Lg = Length of gap
Lm = Length of magnet
M = Magnetization
←M→ = Direction of Magnetization
Mx = Maxwells
MGO = MGOe = Million Gauss Oersteds
N = North Pole
Oe = Oersteds
ρ = Density
Pc = B/H = Permeance coefficient = Load line
R = Reluctance
S = South Pole
T = Tesla
Tc = Curie temperature
µ = Permeability
µ0 = Permeability of vacuum
µr = Relative permeability
µre = Recoil permeability
Vg = Volume of the air gap
Vm = Volume of the magnet
Vs = Volt seconds
Wb = Webers
Quadrant Magnetics
800 East Main Street
Louisville, Kentucky, USA 40206
502-589-9650 Phone
502-589-9660 Fax www.quadrantmagnetics.com