Explanation Given Information: Diameter of bar = 2 cm Length of bar = 20 cm Compressive stress = tensile stress. Calculation: The maximum permissible load can be calculated by the following formula. F = ( fatigue strength ) × π d 3 32 L --------------------(1) Now, from the figure of the S-N curve, fatigue strength is 22 MPa related to one million cycles. Now, 22 MPa = 22 × 10 6 N/m 2 Also, L = length of bar = 20 cm D = diameter of bar = 2 cm Equation (1) becomes, F

Essentials Of Materials Science And Engineering

4th Edition

ISBN: 9781337385497

Author: WRIGHT, Wendelin J.

Publisher: Cengage,

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Question

Chapter 7, Problem 7.30P

Interpretation Introduction

Interpretation:

The maximum permissible load that can be applied on an acetal polymer bar of 2 cm diameter 20 cm length at one end needs to be determined. The bar is expected to survive one million cycles of loading. Also tensile as well as compressive stress are the same through the life of the bar.

Concept introduction:

S-N fatigue curve is obtained from a fatigue test in which the applying fluctuating load behavior of the material is obtained.

Expert Solution & Answer

Chapter 7 Solutions

Essentials Of Materials Science And Engineering

Ch. 7 - Prob. 7.1P Ch. 7 - Prob. 7.2P Ch. 7 - Prob. 7.3P Ch. 7 - Prob. 7.4P Ch. 7 - Prob. 7.5P Ch. 7 - Prob. 7.6P Ch. 7 - Prob. 7.7P Ch. 7 - Prob. 7.8P Ch. 7 - Prob. 7.9P Ch. 7 - Prob. 7.10P

Ch. 7 - Prob. 7.11P Ch. 7 - Prob. 7.12P Ch. 7 - Prob. 7.13P Ch. 7 - Prob. 7.14P Ch. 7 - Prob. 7.15P Ch. 7 - Prob. 7.16P Ch. 7 - Prob. 7.17P Ch. 7 - Prob. 7.18P Ch. 7 - Prob. 7.19P Ch. 7 - Prob. 7.20P Ch. 7 - Prob. 7.21P Ch. 7 - Prob. 7.22P Ch. 7 - Prob. 7.23P Ch. 7 - Prob. 7.24P Ch. 7 - Prob. 7.25P Ch. 7 - Prob. 7.26P Ch. 7 - Prob. 7.27P Ch. 7 - Prob. 7.28P Ch. 7 - Prob. 7.29P Ch. 7 - Prob. 7.30P Ch. 7 - Prob. 7.31P Ch. 7 - Prob. 7.32P Ch. 7 - Prob. 7.33P Ch. 7 - Prob. 7.34P Ch. 7 - Prob. 7.35P Ch. 7 - Prob. 7.36P Ch. 7 - Prob. 7.37P Ch. 7 - Prob. 7.38P Ch. 7 - Prob. 7.39P Ch. 7 - Prob. 7.40P Ch. 7 - Prob. 7.41P Ch. 7 - Prob. 7.42P Ch. 7 - Prob. 7.43P Ch. 7 - Prob. 7.44P Ch. 7 - Prob. 7.45P Ch. 7 - Prob. 7.46P Ch. 7 - Prob. 7.47P Ch. 7 - Prob. 7.48P Ch. 7 - Prob. 7.49P Ch. 7 - Prob. 7.50P Ch. 7 - Prob. 7.51P Ch. 7 - Prob. 7.52P Ch. 7 - Prob. 7.53P Ch. 7 - Prob. 7.54P Ch. 7 - Prob. 7.55P Ch. 7 - Prob. 7.56P Ch. 7 - Prob. 7.57P Ch. 7 - Prob. 7.58P Ch. 7 - Prob. 7.59P Ch. 7 - Prob. 7.60P Ch. 7 - Prob. 7.61P Ch. 7 - Prob. 7.62P Ch. 7 - Prob. 7.63P Ch. 7 - Prob. 7.64DP Ch. 7 - Prob. 7.65DP Ch. 7 - Prob. 7.66DP Ch. 7 - Prob. 7.67DP Ch. 7 - Prob. K7.1KP

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