Plasticity of Crystals in a Microscopic Viewpoint on the Basis of Dislocation Motion

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Yohichi Kohzuki
Oshima National College of Maritime Technology, Doctor of Engineering, Oshima-gun, Yamaguchi, Japan

Series: Materials Science and Technologies
BISAC: TEC021000

Plasticity of crystals in a microscopic viewpoint, especially on the basis of dislocation (linear defects in crystal) motion, is detailed from the data obtained mainly by the strain-rate cycling tests associated with ultrasonic oscillation for several kinds of alkali-halide single crystals at low temperatures. Topics discussed include process for thermal activated overcoming of the short-range obstacle by a dislocation; strain-rate cycling tests associated with ultrasonic oscillation; influence of state of impurities on the effective stress due to the impurities; effective stress and critical temperature of KCl doped with various divalent cations; and the Friedel relation and thermally activated flow parameters of KCl doped with various divalent cations. (Imprint: Nova)

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Table of Contents

Preface

Chapter 1 Process for thermal activated overcoming of the short-range obstacle by a dislocation

Chapter 2 Strain-rate cycling tests associated with ultrasonic oscillation

Chapter 3 Influence of state of impurities on the effective stress due to the impurities

Chapter 4 Effective stress and critical temperature of KCl doped with various divalent cations

Chapter 5 The Friedel relation and thermally activated flow parameters of KCl doped with various divalent cations

Chapter 6 Applicability of the Friedel relation to the interaction between a dislocation and the impurity in KCl:Mg2+ single crystals

Chapter 7 Influence of state of impurities on the deformation characteristics

Chapter 8 Effective stress and critical temperature of KCl doped with monovalent cations

Chapter 9 Bending angle at which the dislocation breaks away from the obstacle in KCl doped with various monovalent impurities

Chapter 10 Influence of a strain on the interaction between a dislocation and the impurities

Chapter 11 Influence of the divalent impurities on dislocation density of KCl doped with various divalent impurities

Chapter 12 Influence of the heat treatment on deformation characteristics

Index

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