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Table of Contents

Introduction

I Rheology

I.1 Stress and Strain

I.2 Rheologic Behaviors

I.2.1 Elastic Behavior

I.2.2 Viscous Behavior

1.2.3 Combined Behavoirs

I.3 Brittle Verses Ductile Deformation

1.4 Work Hardening and Softening

II Mechanisms and processes of deformation

I Background

II. 2Frictiomal grain-boundary sliding, fracturing & cataclasis

II 2.1 Fracture

II 2.2 Frictional grain-boundary sliding

II 2.3 Cataclasis

II. 3Crystal plastic flow

II 3.1 Mechanical deformation

II 3.2 Glide twinning

II 3.3 Intercrystalline slip

II 3.4 Edge screw deformation

II 3.5 Dislocation loops

II 3.6 Dislocation climb, subgrains & rotation recrystallization

II 3.6.1 Solid-state diffusion

II 3.6.2 Subgrain formation

II 3.6.3 Dislocation tangles, Recrystallization & Strain Hardening

II. 4 Diffusive mass transfer

II 4.1 Intercyrstalline diffusion

II 4.2 Diffusion along grain bounderies

II 4.3 Fluids and deformation

II 4.4 The influences of grain size, fluids

II 4.4.1 Creep II 4.4.2Nabarro-Hering creep II 4.4.3Coble creep II 4.4.4Grain size sensitivity

References

Glossary

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