Question

Find the maximum value of S>0 if a stress of σxx = 2S, σyy = -3S, and σxy = 4S is applied to a 45° lamina of Graphite/Epoxy.

Use Maximum Stress failure theory.

Ultimate strengths of a unidirectional Graphite/Epoxy lamina are given.

Find the maximum value of S>0 if a stress of σ 25, σ,--35 and σ,-4S is applied to a 45° lamina of Graphite/Epoxy. Use Maximu

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Answer #1

biven data σχχ = 25MPa 045 (25-(-35) Sin 2xu5 + 45bs (2xu5) (25+35) Sin90 +45Cos 9 2 = -30 Sing040 Acconding to Maximum (T)ut

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Find the maximum value of S>0 if a stress of σxx = 2S, σyy = -3S, and σxy = 4S is applied to a 45° lamina of Graphite/Epoxy. Use Maximum Stress failure theory. Ultimate strengths of a unidirectiona...
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