SUPERPLASTICITY OF CERAMICS

被引：48

作者：

WAKAI, F

机构：

[1] Government Industrial Research Institute, Nagoya Agency of Industrial Science and Technology, Kita-ku, Nagoya, 462, MITI 1-1, Hirate-cho

来源：

CERAMICS INTERNATIONAL | 1991年 / 17卷 / 03期

关键词：

D O I：

10.1016/0272-8842(91)90062-5

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Superplastic elongation of fine-grained ceramics can be observed when some mechanical and microstructural requirements are satisfied at appropriate test conditions, temperature and strain rate. The phenomenon can be utilized in superplastic forming, solid-state bonding, sinter-forging, hot press, and hotisostatic pressing. Recent advances in ceramic processing brought about superplastic ZrO2 composites, covalent polycrystals, bioceramics, and nanocrystalline materials. Numerous works on superplasticity of ZrO2 ceramics revealed some characteristics, microstructural features, and possible mechanisms. Attempts to achieve high-strain rate superplasticity were performed by modifying the nature of the grain boundary.

引用

页码：153 / 163

页数：11

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