The yield stress for a zirconium-magnesium alloy is Y = 15.3 ksi. If a machine part
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The yield stress for a zirconium-magnesium alloy is σY = 15.3 ksi. If a machine part is made of this material and a critical point in the material is subjected to in-plane principal stresses σ1 and σ2 = -0.5σ1, determine the magnitude of s1 that will cause yielding according to the maximum shear stress theory.
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