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Determine the shear strain

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Reference no: EM131074383

Question 1: A specimen is made by joining along one edge two unidirectional laminae at 0° and 45° to the loading axis, as shown below. How is the specimen going to deform in the transverse direction (a, b, or c) for a material of the following properties? Prove your answer by numerical computation.

E1= 145 GPa (21 Msi) E2 = 10.4 GPa (1.5 Msi) G12 = 7.6 GPa (1.1 Msi) v12 = 0.28

2391_Figure.jpg

Question 2: An off-axis unidirectional lamina is loaded as shown and the strain E in the x-direction is measured with a strain gage.

529_Figure1.jpg

Determine the shear strain ys for the following values:

∈x = 2 x 10-3 m/m

Ex = 58.7 GPa (8.5 Msi)

Gxy = 9.7 GPa (1.4 Msi)

σx = 193 MPa (28 ksi)

Τs = 48.3 MPa (7 ksi)

Reference no: EM131074383

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