To determine The compressive stress σ y that cause failure. Explanation Given information: The shear stress acting along the grain is 550 psi. The Normal stress is σ x = 400 psi . Calculation: Sketch the orientation and the stresses on the sectioned element as shown in Figure 1. The angle θ is positive if it curls in the counterclockwise direction. Therefore, the value of θ is 148 ° . The expression for shear stress ( τ x ' y ' ) using the stress transformation equation is shown below: τ x ' y ' = − σ x − σ y 2 sin 2 θ + τ x y cos 2 θ (1) Substitute 550 psi for τ x '

9th Edition

ISBN: 9780133254426

Author: Russell C. Hibbeler

Publisher: Prentice Hall

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Chapter 9.3, Problem 9.25P

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The compressive stress σy that cause failure.

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Mechanics of Materials

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