Question: It is desired to produce a continuous and oriented carbon fiber-reinforced epoxy having a modulus of elasticity of at least 83GPa (12 ( 106psi) in

It is desired to produce a continuous and oriented carbon fiber-reinforced epoxy having a modulus of elasticity of at least 83GPa (12 ( 106psi) in the direction of fiber alignment. The maximum permissible specific gravity is 1.40. Given the following data, is such a composite possible? Why or why not? Assume that composite specific gravity may be determined using a relationship similar to Equation16.10a.

Eg = EV m + E,V (16.10a) %3D Modulus of Elasticity Specific

Eg = EV m + E,V (16.10a) %3D Modulus of Elasticity Specific Gravity [GPa (psi)] 260 (37 x 106) Carbon fiber 1.80 2.4 (3.5 x 105) 1.25

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