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 248: 7.20

Answer

The four major differences between deformation by twinning and deformation by slip are as follows: 1. With slip deformation there is no crystallographic reorientation, whereas with twinning there is a reorientation 2. For slip, the atomic displacements occur in atomic spacing multiples, whereas for twinning, this is not always the case. 3. Slip occurs in metals having many slip systems, whereas twinning occurs in metals having relatively few slip systems. 4. Normally, slip results in relatively large deformations, whereas only small deformations result from twinning.

Work Step by Step

The four major differences between deformation by twinning and deformation by slip are as follows: 1. With slip deformation there is no crystallographic reorientation, whereas with twinning there is a reorientation 2. For slip, the atomic displacements occur in atomic spacing multiples, whereas for twinning, this is not always the case. 3. Slip occurs in metals having many slip systems, whereas twinning occurs in metals having relatively few slip systems. 4. Normally, slip results in relatively large deformations, whereas only small deformations result from twinning.
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