Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing...

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Page 1: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.
Page 2: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

Constituent Materials 1

Laminate Plate Theory

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Potpourriand Processing

Composite Laminates

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$500

Constituent Materials 2

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Final Jeopardy!!!

Category:

Composite Laminates

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Final Jeopardy

List all of the “special laminate” categories for this composite (theta=45 deg).

What is ...

Page 5: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

Final Jeopardy

• Balanced– A16= A26=0

• Symmetric– Bij=0

• Quasi-isotropic– [A] independent of orientation

Page 6: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

Two of the three different common precursors for

carbon fibers

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Constituent Materials 1 For $100

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1.PAN

2.Mesophase Pitch

3.RayonBack toGame

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Kevlar is an example of this type of fiber

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Aramid Fiber

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Two general types of this material are: boron oxide

containing and boron oxide free

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Constituent Materials 1 For $300

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E-glass

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There are two general types of this class of materials: cross-linked (formed by a

condensation polymerization) and thermoplastic (formed by an addition

polymerization)?

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Polyimide Resins

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This is the most widely used polymer in structural

composites

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Constituent Materials 1 For $500

Page 15: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

Unsaturated Polyester Resin

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This is the basic chemical structure

of an epoxide group on all epoxy resins

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Constituent Materials 2 For $100

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Page 18: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

Three examples of mid- and/or high temperature

thermoplastic resins used in structural FRPs

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Page 19: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

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Page 20: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

This is coating that is applied to the surface of glass fibers to

prevent abrasion between fibers and to improve coupling with the

polymer matrix

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Constituent Materials 2 For $300

Page 21: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

Size

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The polymerization of these resins is a result of the formation of triazine

rings through their –OCN functional groups.

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Page 23: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

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Cyanate Esters

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Identify the general structure below

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Constituent Materials 2 For $500

Page 25: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

Bismaleimide Resin

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This diagram is a tool that can be helpful in describing the

isothermal curing process for thermosetting resins

What is

PotpourriFor $100

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Time-temperature transformation diagram

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PotpourriFor $200

The weight of the polymer in grams

extruded during a 10 minute test is this

(abbreviated MFI).

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Melt flow index

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This is the relationship between and

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PotpourriFor $300

12 21

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2

21

1

12

EE

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Calculate the B-matrix for the following laminate (thickness of each ply is 1 mm,

and theta=45 deg).

What is ...

PotpourriFor $400

Page 33: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

Symmetric, so:

Bij=0

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Page 34: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

List two common failure theories for a composite

lamina

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PotpourriFor $500

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1. Maximum Stress Theory2. Maximum Strain Theory3. Tsai-Wu Failure Theory

Page 36: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

List the plyes in order from the tool for the following laminate

[50/±(0/30)/5]S

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Composite Laminates For $100

Page 37: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

[50/±(0/30)/5]S

50, 0, 30, 0, -30, 5, -30, 0, 30, 0, 50

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Page 38: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

A laminate where for every +θ ply there is another at -θ

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Page 39: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

Balanced Laminate

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Pairs of layers of opposite orientation but the same material and thickness symmetrical w.r.t .middle surface of

laminate.

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Page 41: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

Antisymmetric Laminate

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•Example: [+θ /- θ /+ θ /- θ]

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A [0, 60, -60] lay-up is this type of laminate

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Page 43: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

Quasi-isotropic

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Composite Laminates For $500

This picture is an example of …

Page 45: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

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Shear-extension coupling

Results when 16 and 26 terms of Qbar matrix are nonzero

Page 46: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

Definition for the principal material direction (1, 2, 3)

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Laminate Plate TheoryFor $100

Page 47: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

1, 2, and 3 direction where 1 is the fiber direction, 2 is in plane

transverse and 3 is out of plane

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Page 48: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

For plane stress (thin samples), these terms are zero in the equation below:

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Laminate Plate TheoryFor $200

Page 49: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

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σ13= σ23= σ33=0

Page 50: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.
Page 51: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

What are the values of z0 to z3 in the following laminate

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Laminate Plate TheoryFor $300

2mm thick

3mm thick1mm thick

Page 52: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

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2mm thick

3mm thick1mm thick

z0=-3, z1=-1, z2=2, z3=3

Page 53: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

Equations for ABD matrix

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Laminate Plate TheoryFor $400

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Page 55: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

These equations are odd functions

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Laminate Plate TheoryFor $500

Page 56: Constituent Materials 1 Laminate Plate Theory $100 $200 $300 $400 $500 Potpourri and Processing Composite Laminates $400 $500 Constituent Materials.

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