Portevin-Le Chatelier effect in Y2O3-ZrO2 single crystals

被引:4
|
作者
Gallardo-López, A
Gómez-García, D
Domínguez-Rodríguez, A
Kubin, L
机构
[1] Univ Seville, Dept Fis Mat Condensada, Seville, Spain
[2] CNRS, ONERA, LEM, Lab Etud Microstruct, F-92322 Chatillon, France
关键词
yttria stabilised zirconia; high temperature mechanical properties; plastic instabilities; Portevin-Le Chatelier effect;
D O I
10.1016/j.scriptamat.2004.04.018
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Detailed analyses of plastic instabilities in cubic Y2O3-ZrO2 single crystals with high yttria content (greater than or equal to 21 mol%) have been carried out by uniaxial compression tests between 1310 and 1450 degreesC. The experimental results and their comparison with standard models show that these instabilities are caused by a Portevin-Le Chatelier effect. (C) 2004 Published by Elsevier Ltd. on behalf of Acta Materialia Inc.
引用
收藏
页码:203 / 207
页数:5
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