本书讨论了多晶体材料中超塑性和晶界滑动的问题,探讨了晶界形成和演化的微观结构,分析了经过剧烈塑性变形的材料的晶界、纹理和系综的变化，同时考察了晶界在晶粒间界扩散、弛豫和晶粒生长过程中的作用。

本书适合从事超塑性研究的相关人员使用，也可供高等院校相关专业的师生参考。

A.Zhilyaev 博士，西班牙国家研究委员会（CSIC）、西班牙国家冶金技术研究中心（CENIM）教授。

A.Pshenichnyuk 博士，俄罗斯科学院超塑性金属研究所教授

Contents

INTRODUCTION

1 STRUCTURAL SUPERPLASTICITY OF POLYCRYSTALLINE MATERIALS

2 CHARACTERISTICS OF GRAIN BOUNDARY ENESEMBLES

3 ORIENTATION-DISTRIBUTED PARAMETERS OF THE POLYCRYSTALLINE STRUCTURE

4 EXPERIMENTAL INVESTIGATIONS OF GRAIN BOUNDARY ENSEMBLES IN POLYCRYSTALS

5 GRAIN BOUNDARY SLIDING IN METALLIC BI-AND TRICRYSTALS

6 PERCOLATION MECHANISM OF DEFORMATION PROCESSES IN ULTRAFINE-GRAINED POLYCRYSTALS

7 PERCOLATION PROCESSES IN A NETWORK OF GRAIN BOUNDARIES IN ULTRAFINE-GRAINED MATERIALS

8 MICROSTRUCTURE AND GRAIN BOUNDARY ENSEMBLES IN ULTRAFINE-GRAINED MATERIALS

9 GRAIN BOUNDARY PROCESSES IN ULTRAFINE-GRAINED NICKEL AND NANONICKEL

10 DURATION OF THE STABLE FLOW STAGE IN SUPERPLASIC DEFORMATION

11 DERIVATION OF COMSTITUTIVE EQUATIONS IN MULTICOMPONENT LOADING CONDITIONS

CONCLUSION

INDEX