A unidirectional glass-epoxy composite has Vf(glass) = 0.65. What should be the volume fraction of carbon fibers in the new composite to have the modulus of elasticity in the longitudinal direction doubled, without changing the ratio of volume fractions of epoxy resin (0.35)? How much does the density of the composite increase or decrease after adding carbon fibers?
A unidirectional glass-epoxy composite has Vf(glass) = 0.65. What should be the volume fraction of carbon fibers in the new composite to have the modulus of elasticity in the
VIDEO ANSWER: Vf is equal to Vf1 and Vf2 in the formula, so we have to find fiber volume fraction that is Vf, which is the same as Vf1 in the formula. Vf1 is p…
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