The principal strains at a point on the aluminum surface of a tank are 1 =
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The principal strains at a point on the aluminum surface of a tank are ε1 = 630(10-6) and ε2 = 350(10-6). If this is a case of plane stress, determine the associated principal stresses at the point in the same plane. Eal = 10(103) ksi, νal = 0.33. Hint: See Prob. 10–30.
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