Materials Science and Engineering: An Introduction

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

Chapter 7 - Dislocations and Strengthening Mechanisms - Questions and Problems - Page 249: 7.38b


$76$ minutes

Work Step by Step

Analyzing the figure on page 241 about the the logarithm of grain diameter versus the logarithm of time for grain growth in brass at several temperatures (Figure 7.25), it can be approximated that at $700^{o}$ it takes roughly 0 minutes to get to the 0.03 mark and roughly 76 minutes to reach the 0.3 mark. Therefore, the time required can be found by subtracting the two. $76 minutes $ $- 0minutes$ $= 76minutes$
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