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Stress in the surface layer

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A surface layer, 0.001 in. thick, was removed from an aluminum sheet, 0.015 in. thick. On removal of the layer, the sheet curled to form a dish with a radius of curvature of 30 in. What was the stress in the surface layer before it was removed. For aluminum, E = 10 × 106 psi and υ = 0.30.

Reference no: EM13887478

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