Dislocations
International Series of Monographs on Solid State Physics
Published on 22. October 2013
512 pages
978-1-4831-3592-2 (ISBN)
Description
Dislocations deals with the main properties of dislocations, including motion, climb, and vacancies. Topics covered include the elastic theory of dislocations, imperfect dislocations, and crystal growth, along with dislocation networks, annealing, and grain boundaries. The interaction of dislocations with other defects is also discussed. This book is comprised of 17 chapters and begins with an overview of the general properties of dislocations, with emphasis on perfect and real crystals and the general case for translation dislocations. The reader is then introduced to the motion of dislocations, including glide; vacancies and interstitial atoms; dislocation climb; imperfect dislocations and surfaces of misfit; and crystal growth, including growth from a liquid phase. The next section is devoted to the more or less complex networks of dislocations that can be formed in crystals, and to the plastic properties corresponding to these arrays. The remaining chapters explore the interactions of dislocations with other crystalline defects, primarily impurity atoms. This monograph is intended for physicists, metallurgists, materials scientists, research and engineering students, and research engineers.
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Content
PrefacePrincipal Works on DislocationsAbbreviationsPart One General Properties of Dislocations Chapter I. Definition and Examples 1.1 Perfect and Real Crystals 1.2 Classical Elastic Medium 1.3 Crystals 1.4 Translation Dislocations 1.5 Rotation Dislocations 1.6 Illustrations Chapter II. Elastic Theory of Dislocations 2.1 Study of a Simple Case 2.2 The General Case for Translation Dislocations 2.3 Force on a Dislocation 2.4 Interaction of a Dislocation and a Free Surface. Image Force Chapter III. Motion of Dislocations. Glide 3.1 Experimental Proof of Motion 3.2 Conservative and Non-Conservative Motions 3.3 Dislocation Glide 3.4 Kinetics of Glide 3.5 Free Energy of a Dislocation Line Chapter IV. Vacancies and Interstitial Atoms 4.1 The Nature of Vacancies and Interstitial Atoms 4.2 Energies of Formation and Displacement 4.3 Methods of Measurement. Self Diffusion 4.4 Measurements at Various Temperatures 4.5 Irradiation 4.6 Coldwork 4.7 Experimental Values of the Activation Energies Chapter V. Dislocation Climb 5.1 Fast Climb 5.2 Climb by Diffusion 5.3 Production of Vacancies and Interstitial Atoms during Coldwork 5.4 Dislocation Loops and Helices Produced by a Super- or Under-Saturation of Point Defects Chapter VI. Imperfect Dislocations 6.1 Imperfect Dislocations and Surfaces of Misfit 6.2 Stacking Faults and Twins 6.3 Imperfect Dislocations in the Face Centered Cubic Structure 6.4 Aggregates of Vacancies or Interstitials. Loops and Tetrahedra 6.5 Splitting of Perfect Dislocations Into "Partials" 6.6 Consequences of Splitting 6.7 Mechanical Twinning 6.8 Epitaxy 6.9 Martensitic Transformations Chapter VII. Crystal Growth 7.1 Growth of Perfect Crystals from the Vapor Phase 7.2 Rate of Growth of a Dislocated Crystal 7.3 Growth Spirals 7.4 Growth from a Liquid Phase 7.5 Origin of Growth DislocationsPart Two Dislocation Networks Chapter VIII. The Frank Network of Real Crystals. Elastic Limit 8.1 Frank Network and Polygonized Structure 8.2 Etch Figures 8.3 "Mosaic Structure" by X-Rays 8.4 Elastic Limit of Single Crystals 8.5 Anomalies of the Elastic Constants 8.6 Size of the Frank Network Chapter IX. Coldwork. Piled Up Groups 9.1 Geometry of Plastic Deformations 9.2 Causes of Hardening 9.3 Laminar Flow in Single Crystals 9.4 Turbulent Flow in Single Crystals 9.5 Straining of Polycrystals 9.6 Properties of the Coldworked State Chapter X. Annealing, Polygonization, Recrystallization, Grain Boundaries 10.1 Annealing 10.2 Nature of Grain Boundaries and Sub-Boundaries 10.3 Properties of Grain Boundaries and Sub-Boundaries 10.4 Polygonization 10.5 Recrystallization Chapter XI. Creep 11.1 Description 11.2 Low Temperature Deformations 11.3 High Temperature Deformations Chapter XII. Cleavage 12.1 Description 12.2 Crack Nucleation 12.3 Crack Propagation 12.4 Brittle and Ductile FracturesPart Three Interaction of Dislocations with Other Defects Chapter XIII. Nature of the Interactions with Impurities 13.1 Introduction 13.2 Interaction Energy 13.3 Elastic Interaction 13.4 Electrostatic Interaction 13.5 Screw Dislocations Chapter XIV. Hardness of a Crystal Containing Uniformly Distributed Impurities Or Precipitates 14.1 Mott and Nabarro's Theories 14.2 Precipitates 14.3 Guinier-Preston Zones 14.4 Solid Solutions Chapter XV.
