Hmwk $8$ no $3$

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For some glass fiber$-$epoxy matrix combination, the critical fiber length$-$fiber diameter ratio is $28\mathrm{.}1.$ Determine the fiber$-$matrix bond strength. Assume that the tensile strength for glass is $3\mathrm{.}45$ GPa $(0\mathrm{.}5{10}^6.$

MPa

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