Martensitic Transformation - 1st Edition - ISBN: 9780125198509, 9780323148818

Martensitic Transformation

1st Edition

Authors: Zenji Nishiyama
eBook ISBN: 9780323148818
Imprint: Academic Press
Published Date: 28th January 1978
Page Count: 480
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Description

Martensitic Transformation examines martensitic transformation based on the known crystallographical data. Topics covered range from the crystallography of martensite to the transformation temperature and rate of martensite formation. The conditions for martensite formation and stabilization of austenite are also discussed, along with the crystallographic theory of martensitic transformations.

Comprised of six chapters, this book begins with an introduction to martensite and martensitic transformation, with emphasis on the basic properties of martensite in steels such as carbon steels. The next two chapters deal with the crystallography of martensite and discuss the martensitic transformation behavior of the second-order transition; lattice imperfections in martensite; and close-packed layer structures of martensites produced from ? phase in noble-metal-base alloys. Thermodynamical problems and kinetics are also analysed, together with conditions for the nucleation of martensite and problems concerning stabilization of austenite. The last chapter discusses the theory of the mechanism underlying martensitic transformation.

This monograph will be of interest to metallurgists and materials scientists.

Table of Contents


Preface to English Edition

Preface to Japanese Edition

1 Introduction to Martensite and Martensitic Transformation

1.1 Martensite in Carbon Steels

1.2 Characteristics of Martensite in Steel

1.3 General Characteristics and Definition of Martensite

Reference

2 Crystallography of Martensite (General)

2.1 Introduction

2.2 f.c.c. (γ) to b.c.c. or b.c.t. (α') (Iron Alloys)

2.3 f.c.c. to h.c.p. (Mainly in Cobalt Alloys and Ferrous Alloys)

2.4 b.c.c to h.c.p. (Mainly Titanium Alloys and Zirconium Alloys)

2.5 Close-Packed Layer Structures of Martensites Produced from β Phase in noble-metal-base Alloys

2.6 Martensitic Transformation Behavior of the second-order Transition

2.7 Tables of Crystallographic Properties of Various Martensites

References

3 Crystallography of Martensites—Special Phenomena

3.1 Kinds of Imperfections in Martensite Lattices

3.2 Amount of Lattice Imperfections in Martensite Measured by Diffraction

3.3 Lattice Imperfections Due to Interstitial Atoms

3.4 Initial Stage of the Formation of Martensite Crystal

3.5 Single-Interface Growth of Martensite

3.6 Rubberlike Elasticity of Martensite

3.7 f.c.c. Martensite Produced by Reverse Transformation

3.8 The γ -> ε' -> ε -> κ' -αm Mechanism of the Course of Martensitic Transformation in Steels

References

4 Transformation Temperature and Rate of Martensite Formation

4.1 Chemical Free Energy Changes in Transformations

4.2 Nonchemical Free Energy for Martensitic Transformation

4.3 Transformation Temperature

4.4 Transformation Velocity

4.5 The Martensite Nucleus and Isothermal Martensite

4.6 Adiabatic Nature of the Formation of Athermal Martensite

References

5 Conditions for Martensite Formation and Stabilization of Austenite

5.1 Effect of Pressure (Hydrostatic Pressure)

5.2 Stress-Induced Transformation

5.3 Effect of Lattice Defects Existing Before Transformation

5.4 Effect of Ausforming on Transformation Temperature and Mechanical Stabilization of Austenite

5.5 Effect of an Intense Magnetic Field

5.6 Effect of Superlattice Formation on Ms Temperature

5.7 Stabilization (Mainly Thermal) of Austenite

References

6 The Crystallographic Theory of Martensitic Transformations

6.1 Early Theories on the Mechanism of Martensitic Transformations

6.2 Introduction to the Crystallographic Phenomenological Theory

6.3 Fundamentals of Analysis of Crystallography of Martensitic Transformation by Matrix Algebra

6.4 Improvements in the Phenomenological Theory

6.5 Dislocation Theories on the Habit of Martensite

6.6 Supplementary Evidence on the Crystallographic Phenomenological Theory

6.7 Correlation of Elastic Anisotropy with the Temperature of Martensitic Transformation

6.8 Conclusions—Problems for Study

References

Author Index

Subject Index

Details

No. of pages:
480
Language:
English
Copyright:
© Academic Press 1978
Published:
Imprint:
Academic Press
eBook ISBN:
9780323148818

About the Author

Zenji Nishiyama

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