Consider the case of a unidirectional boron/epoxy lamina. The elastic moduli are: E1 = 204 GPa, E2 = 18.5 GPa, V12 = 0.2

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answerhappygod
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Consider the case of a unidirectional boron/epoxy lamina. The elastic moduli are: E1 = 204 GPa, E2 = 18.5 GPa, V12 = 0.2

Post by answerhappygod »

Consider the case of a unidirectional boron/epoxy lamina. The
elastic moduli are:
E1 = 204 GPa, E2 = 18.5 GPa, V12 = 0.23 and G12 = 5.59 GPa.
From the elastic moduli given in the previous question,
calculate the following moduli for an angle 𝜃 = 60∘:
(i) The off-axis modulus of elasticity, Ex.
(ii) The shear coupling coefficient, 𝜂𝑥,𝑥𝑦.
(iii) The shear modulus, 𝐺𝑥𝑦.
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