Materials Science and Engineering: An Introduction

Published by Wiley
ISBN 10: 1118324579
ISBN 13: 978-1-11832-457-8

Chapter 6 - Mechanical Properties of Metals - Questions and Problems - Page 212: 6.40


$σ_{y} = 925.73 MPa$

Work Step by Step

Given: steel alloy for spring application with modulus of resilience of at least 2.07 MPa Required: minimum yield strength Solution: Using Equation 6.14, with $E = 207 GPa$ from Table 6.1: $σ_{y} = \sqrt 2U_{r}E = \sqrt (2)(2.07 MPa)(207 \times 10^{3} MPa )= 925.73 MPa$
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