金屬的力學(xué)性能

內(nèi)容概要

This book aims to bring together continuum elasticity theory, electronic structure and the concept of fractals as applied to roughness and toughness of metals. 
Of course, a major contribution to fracture was made by Griffith, in which, though incomplete for reasons that are now largely understood, he derived an expression for the limiting strength of a material. This involved intimately the surface energy, which subsequently, at least in a simple metal like A1 with s and p electrons, has been related to the energy of formation of a vacancy. However, a tremendous step forward came with the concept of a dislocation.
　　本書為英文版。

書籍目錄

Preface . 1 Background and Some Concepts 1.1. Elastic and Plastic Regimes 1.2. Griffith Criterion: Role of Surfaces 1.3. Peierls Stress and Barrier 1.4. Dislocation Core and Atomic Force 1.5. Stacking Faults 1.6. Glissile and Sessile Dislocations 1.7. Concept of Fractals 1.8. 'Glue'and Related Models of Interatomic Force Fields 1.9. Pair potetials1.10. Grain and Twin Boundaries 1.11. Alloy Formation: Rules and Models 1.12. Friction Mechanisms 2 Phenomenology and Experiments 2.1. Plastic Deformation of bcc Metals 2.2. Phonons， Electrons and Plasticity 2.3. High Temperature Strength of Alloys 2.4. The Crack and Fracture 2.5. Power Law Relation between the Plastic Strain and the 2.6. Statistical Behaviour for the Fracture of Disordered Media2.7. The Roughness of the Crack Surface2.8. Dynamic Instabilties of Fracture3 Introduction to Extended Defects and Mechanical Strength3.1 Some Basic Theory of Crystal Dislocations3.2 Elastic Field of Straight Dislocation3.3 Interactions of Dislocation with Other Defects3.4 Crystal Lattice Effects3.5 Dislocation Motion over Peierls Barrier……4 Some Caracteristic Features of Fractals5 Elastic Moduli and More General Phonon Properties6 Elements of Electronic Structure Theory7 Theory of Pair Potential in Simple s-p Metals8 Transcending Pair Potetials:Glue Models of Interatomic Forces9 Positron Annihoilation:Experiment and Theory10 Stretched Chemical Bonds,Electron Correlation and Extended Defect Propagetion

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This book aims to bring together continuum elasticity theory, electronic structure and the concept of fractals as applied to roughness and toughness of metals. Of course, a major contribution to fracture was made by Griffith, in which, though incomplete for reasons that are now largely understood, he derived an expression for the limiting strength of a material. This involved intimately the surface energy, which subsequently, at least in a simple metal like A1 with s and p electrons, has been related to the energy of formation of a vacancy. However, a tremendous step forward came with the concept of a dislocation.　　本書為英文版。

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