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4. A composite of polycrystalline spinel (Young's modulus = 277 GPa) and aligned and continuous Kevlar fibers is desired in order to increase the capacity of the spinel to withstand impact. Fibers of Kevlar have a tensile strength of 3.6 GPa and a Young's modulus of 125 GPa. For a desired composite Young's modulus of 200 GPa, what is the fiber volume fraction? Use isostrain condition. %3D

4. A composite of polycrystalline spinel (Young's modulus = 277 GPa) and aligned and continuous Kevlar fibers is desired in order to increase the capacity of the spinel to withstand impact. Fibers of Kevlar have a tensile strength of 3.6 GPa and a Young's modulus of 125 GPa. For a desired composite Young's modulus of 200 GPa, what is the fiber volume fraction? Use isostrain condition. %3D

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4. A composite of polycrystalline spinel (Young's modulus = 277 GPa) and aligned and continuous Kevlar fibers is desired in order to increase the capacity of the spinel to withstand impact. Fibers of Kevlar have a tensile strength of 3.6 GPa and a Young's modulus of 125 GPa. For a desired composite Young's modulus of 200 GPa, what is the fiber volume fraction? Use isostrain condition.
Transcribed Image Text:4. A composite of polycrystalline spinel (Young's modulus = 277 GPa) and aligned and continuous Kevlar fibers is desired in order to increase the capacity of the spinel to withstand impact. Fibers of Kevlar have a tensile strength of 3.6 GPa and a Young's modulus of 125 GPa. For a desired composite Young's modulus of 200 GPa, what is the fiber volume fraction? Use isostrain condition.
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