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书名：	Grain Boundaries and Crystalline Plasticity
作者：	Priester, Louisette
出版时间：	2013-02-07
ISBN：	9781848213272(P-ISBN) ，9781118603109(O-ISBN)
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Cover Grain Boundaries and Crystalline Plasticity Title Page Copyright Page Table of Contents Preface Chapter 1. Grain Boundary Structures and Defects 1.1. Equilibrium structure of grain boundaries 1.1.1. Geometric description and elements of bicrystallography 1.1.2. Grain boundary structure in terms of intrinsic dislocations 1.1.3. Grain boundary atomic structure – structural unit model 1.1.4. Energetic atomic description 1.2. Crystalline defects of grain boundaries 1.2.1. Point defects – intergranular segregation 1.2.2. Linear defects: extrinsic dislocations 1.2.3. Volume defects – grain boundary precipitation 1.3. Conclusion 1.4. Bibliography Chapter 2. Elementary Grain Boundary Deformation Mechanisms 2.1. Dislocation in close proximity to a grain boundary 2.2. Elastic interaction between dislocations and grain boundaries: image force 2.3. Short range or core) interaction between dislocations and grain boundaries 2.3.1. Geometric and energetic criteria for slip transmission 2.3.2. Elementary mechanisms of dislocations at grain boundaries 2.3.3. Atomic scale simulations of interaction mechanisms between dislocations and grain boundaries 2.3.4. Experimental observations of interaction mechanisms 2.3.5. Elastic stress fields associated with extrinsic dislocations 2.4. Relaxation of stress fields associated with extrinsic dislocations 2.4.1. Relaxation processes in a grain boundary 2.4.2. Evolution of stress fields with relaxation time 2.4.3. Experimental studies of grain boundary relaxation phenomena 2.4.4. Conclusion 2.5. Relationships between elementary interface mechanisms and mechanical behaviors of materials 2.6. Bibliography Chapter 3. Grain Boundaries in Cold Deformation 3.1. Introduction 3.2. Plastic compatibility and incompatibility of deformation at grain boundaries 3.2.1. General points 3.2.2. Calculation of incompatibilities in a bicrystal 3.3. Internal stresses in polycrystal grains 3.3.1. Notions of crystalline plasticity, single crystal behavior for use in polycrystalline models 3.3.2. Internal stresses in polycrystals 3.3.3. Stress relaxation mechanisms 3.4. Modeling local mechanical fields using the finite element method FEM)3.4.1. Aggregates 3.4.2. From single crystal to polycrystal using finite transformations 3.4.3. Identification of the constitutive and hardening law parameters 3.4.4. Examples of local mechanical fields proposed by the polycrystalline models 3.5. Hall-Petch’s law, geometrically necessary dislocations 3.5.1. Definition 3.5.2. Modeling the grain size effect in polycrystals, comparison with experiments 3.6. Sub-grain boundaries and grain boundaries in deformation and recrystallization 3.6.1. Deformation sub-boundaries and grain boundaries 3.6.2. Recrystallization sub-grain boundaries 3.7. Conclusion 3.8. Bibliography Chapter 4. Creep and High Temperature Plasticity: Grain Boundary Dynamics 4.1. Introduction 4.2. Grain boundaries and grain growth 4.2.1. Kinetics and grain growth law 4.2.2. Grain boundary segregation and precipitation – influence on the boundary mobility 4.3. Grain boundaries and creep: mechanisms and phenomenological laws 4.3.1. Grain boundary mechanisms 4.3.2. Creep models and kinetics 4.3.3. Constitutive creep laws and deformation mechanism maps 4.3.4. Limit of the models, grain boundaries chemistry and creep 4.4. Grain boundaries and superplasticity 4.4.1. Phenomenology and microstructural mechanisms 4.4.2. The different models 4.4.3. Grain growth and superplastic deformation 4.5. Prospects: creep of nanograined materials 4.6. Bibliography Chapter 5. Intergranular Fatigue 5.1. Introduction 5.2. Low temperature intergranular fatigue 5.2.1. Several scales to be considered to explain intergranular fatigue 5.2.2. Study of ᾶ iron and of other BCC metals and metallic alloys 5.2.3. Intergranular fatigue of FCC metals and metallic alloys 5.3. High temperature fatigue 5.3.1. General information 5.3.2. Austenitic stainless steels 5.3.3. Nickel-based superalloys 5.4. Conclusion 5.5. Acknowledgements 5.6. Bibliography Chapter 6. Intergranular Segregation and Crystalline Material Fracture 6.1. Grain boundaries and fracture 6.1.1. Fracture parameters – different types of fracture 6.1.2. Intergranular fracture 6.2. Intergranular segregation 6.2.1. The origin of segregation 6.2.2. Thermodynamics of equilibrium segregation – existing models 6.2.3. General characteristics of intergranular equilibrium segregation 6.2.4. Non-equilibrium segregation 6.2.5. Heterogeneity of the intergranular segregation: effects of the grain boundary structure 6.3. Segregation and intergranular fracture 6.3.1. Intergranular embrittlement mechanisms 6.3.2. From embrittling segregations to strengthening segregations 6.4. Intergranular fracture induced by liquid metals 6.4.1. Phenomena occurring under contact with a liquid metal 6.4.2. Liquid metal embrittlement 6.4.3. Intergranular penetration 6.4.4. Intergranular diffusion in the case of the Cu-Bi system 6.4.5. Intergranular wetting in the case of the Ni-Bi system 6.4.6. Intergranular penetration mechanism 6.4.7. Case of the Al-Ga system 6.4.8. Conclusion 6.5. General conclusion 6.6. Bibliography APPENDICES Appendix 1. Bicrystallography and Topological Characterization of Interfacial Defects Appendix 2. Appendices of Chapter 3 A2.1. Notations A2.2. Infinitesimal deformations A2.2.1. Plastic deformation and rotation A2.3. Finished transformations A2.3.1. Geometry A2.3.2. Kinematics A2.4. Incompatibility in finished transformations A2.5. Calculation of the geometrically necessary dislocation densities List of Authors Index

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