Calculate the required depth for a factor of safety

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A small leaf spring, b = 10mm wide, 100mm long, and h mm deep, is subjected to a concentrated center load P varying continuously from 0 to 20 N. The spring may be approximated to be a simply supported beam (Figure P7.28). Calculate the required depth for a factor of safety of 4.

Given: Su = 980 MPa, Se = 400 MPa.

Design Decision: Apply the Goodman theory, based on the maximum normal stress.

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Reference no: EM131227216

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