Compare the failure strength of a unidirectional alumina whisker (l _f /d _f = 2000) reinforced epoxy with that of unidirectional continuous alumina fiber reinforced epoxy. The average tensile strength of alumina whiskers is 1,000,000 psi, but that of continuous alumina fiber is 275,000 psi. Assume v _f = 0.5 and σ _mu = 4800 psi.

Problem9 Compare the failure strength of a unidirectional alumina whisker (I;/dr = 2000) reinforced epoxy with that of %3D unidirectional continuous alumina fiber reinforced epoxy. The average tensile strength of alumina whiskers is 1,000,000 psi, but that of continuous alumina fiber is 275,000 psi. Assume v; = 0.5 and omu = 4800psi. %3D