Carbon fibers, Mechanical Engineering

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3. The tensile modulus of elasticity of a unidirectional carbon-fiber-reinforced-plastic composite material that contains 64 percent by volume of carbon fibers and is stresssed under isostrain conditions. The carbon fibers have a tensile modulus of elasticity of 372.6 GPa and epoxy matrix a tensile modulus of elasticity of 3.6 GPa. Determine the fraction of the load carried by the carbon fibers.

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