AFNDT - MARTY - Practical application of ultrasonic array technology
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Transcript of AFNDT - MARTY - Practical application of ultrasonic array technology
![Page 1: AFNDT - MARTY - Practical application of ultrasonic array technology](https://reader035.fdocuments.net/reader035/viewer/2022062300/55cf231cbb61ebce198b4620/html5/thumbnails/1.jpg)
4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
Practical Applications of Ultrasonic Array Technology
Dr. P. N. MartySonatest NDE
Advanced UT Products
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4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
Content
Available Technology Sensors Technology Examples How it works Applications Benefits and Conclusion
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4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
Available Technology
Phased Array Harfang X-32
Multi-element RapidScan II: Very fast C-scan
with dry-coupling ULTRAN IPass NCU
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4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
Encoded contact arrays
Probes with wedge
Pitch-catch
Sensor Technology
X-32 Phased Array Probes – Direct Contact
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4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
Wheel probes
Sliding and radii array
Sensor Technology
RapidScan II - Direct Contact
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4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
Automated Dry-coupling Array system
Full Coverage Automated System
Contour following up to a radius of curvature of 1 m
No Z-axis control required, 100 mm of translation
Improvement on conventional gimbals capable of scanning over sample edges and cut outs
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4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
Immersion Application
Highly reliable and fast pulse-echo application, with the highest performance.
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4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
Non-Contact Array Technology
Suitable for flat materials rolling on a production line or flat panels for: in-process or post-process analysis for defects, physical properties, etc.
Gas matrix Piezoelectric Composites: The most efficient piezoelectric material with ZERO CROSS COUPLING
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4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
Understanding Array Technology
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4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
L-Scan: Linear Scanning
Immersion like test Composite material
RapidScan II Air-coupled array/systems
Delays
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4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
L-Scan Example
Corrosion mapping
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4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
S-Scan: Sectorial Scanning
35
40
45
55
65
75
Delays Angled beam inspections Welds D path
X-32 Phased Array Systems
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4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
S-Scan: Weld Inspection
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4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
Example: Lack of Penetration
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4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
Practical examples
Nuclear Application
Weld testing
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4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
Nuclear App.: J-Tube Examination
Millstone Power Station, Connecticut, USA
Problems:Degradation on the Steam Generator Feed-ring beneath the J-Tube fillet welds.
Feed-ring base material is experiencing severe erosion due to localized flow velocities
The J-Tubes are made of inconel as well as the fillet weld.
Challenges: High Dose area, Geometry, limited access
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4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
Challenges
“X”
“S”
“D” θ
“L”
High Dose area, Difficult Geometry, limited access
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4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
The Solution
Point of Maximum ExtensionSound Path Cursor
Extractor Cursor
• Phased array for speed and remote control.• Pitch and catch technique with two 16-element probes in one casing;• Scanning with 40 to 85 degrees sweep
Dual 2.4 MHz 16-element probes with wedge
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4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
Conclusion: J-Tube Examination
A reduction of 63% inspection time, $140,000 saved, in J-Tube examination costs.
A reduction of up to 70% in radiation exposure time and dose;
“Millstone actually performed examinations on 2 of the 4 feed-water rings and there was excellent data correlation with the previous automated examinations. ” – Richard Fuller, Level III in charge of the inspection.
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4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
WindCraft Tower – Weld Testing
Wind turbine towers are typically around 60-90m tall.
Weight 100-200 Tonnes Made in 3-4 sections One plant makes around 25
sections /week Lots of Welds
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4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
Weld Inspection
Sector Scan Inspection: all defects found at once
Greatly increases speed
Approx 6 hours or so per tower.
Reduced Bottleneck
Manual PA to replace manual traditional UT
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4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
Conclusion 1: Advantages of Arrays
Speed: scanning with phased arrays is much faster than single probe conventional mechanical systems, with better coverage;
Flexibility: set-ups can be changed in a few minutes, and typically a lot more component dimensional flexibility is available;
Inspection angles: a wide variety of inspection angles can be used, depending on the requirements and the array;
Small footprint: small matrix arrays can give significantly more flexibility for inspecting restricted areas than conventional probes
Imaging: showing a “true depth” image of defects is much easier to interpret than a waveform. The data can be saved, analyzed and re-displayed as required.
Quality: recording and imaging gives a 100% coverage with all angles, and data can be reviewed later.
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4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
Conclusion 2
Don’t just think of Advanced UT & Array for ‘otherwise impossible’ applications
They offer real advantages (Financial, Quality) in many applications with an existing solution.
They apply to such a broad range of applications that investment in the technology ( system cost, training, procedures, personnel) is justified, and quickly compensated by productivity gains.
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4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
Advanced UT Solutions @ Sonatest
Many different advanced array based systems can be used, it is not just about phased array
Portable phased arrays (X32), C-Scan Mapping (RapidScan2) Immersion systems (Atlantis) Non-Contact (Ultran) AUTOMATED (R32, RapidScan, Atlantis, Ultran)
Choice is controlled by codes, component requirements, budget and knowledge.
Many possibilities for robotics: • Wheels, sensors, • Magnetic wheel scanners, • Robots.
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4th AFNDT
2006
Dr. Pierre MartyPractical Application of Ultrasonic Array Technology
The Sonatest Group thanks you for your attention.
We would like to invite you to our stand.