The boron fibers are produced with a 125 mum diameter

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A metal matrix composite (MMC) is made of a 2024 Al alloy matrix and continuous  boron fibers. The boron fibers are produced with a 12.5 μm diameter tungsten-wire  core which is coated with boron to make a final 100 μm diameter fiber. A unidirectional  composite is made of 54 vol % of the boron fibers in the Al 2024 matrix. Assuming the  law of mixtures applies to isostrain conditions; calculate the tensile modulus of the  composite in the direction of the fibers. [ E(B) = 379 GPa, E (W) = 410 GPa, E (Al) =  72.4 GPa] 

Reference no: EM13344625

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