Effect of abrasive grinding on the strength of Y-TZP

被引：42

作者：

Ho, Chang-Ju ^{[1
]}

Liu, Hsuan-Chih ^{[1
]}

Tuan, Wei-Hsing ^{[1
]}

机构：

[1] Natl Taiwan Univ, Dept Mat Sci & Engn, Taipei 106, Taiwan

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2009年 / 29卷 / 12期

关键词：

ZrO2; Grinding; Residual stress; Strength; POLYCRYSTALLINE AL2O3; MACHINING DAMAGE; ZIRCONIA; DIFFRACTION; CERAMICS; RELIABILITY; STRESSES; ALUMINA; PHASE; ZRO2;

D O I：

10.1016/j.jeurceramsoc.2009.02.011

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：

The residual stress and flaw size in yttria-stabilized zirconia (Y-TZP) before and after abrasive grinding are examined in the present study. As long as the distribution of flaw size remains the same after grinding, the strength of zirconia increases with increasing residual stress. For the grinding conditions employed, a compressive residual stress as high as 1 GPa is introduced on the surface. Such stress is large enough to induce lattice distortion. The strength of Y-TZP is consequently increased by 190 MPa. The compressive residual stress can be partly removed by subsequent polishing or annealing treatment. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：2663 / 2667

页数：5

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