Effect of residual stresses on the erosion wear of laminated ceramic nozzles

被引：11
|
作者：
Deng, Jianxin [1 ]
Liu, Lili [1 ]
Ding, Mingwei [1 ]
机构：
[1] Shandong Univ, Dept Mech Engn, Jinan 250061, Shandong Prov, Peoples R China
来源：
MATERIALS CHARACTERIZATION | 2008年 / 59卷 / 01期
基金：
中国国家自然科学基金;
关键词：
nozzles; residual stress; ceramic materials; laminated materials; SiC;
D O I：
10.1016/j.matchar.2006.10.009
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
SiC/(W,Ti)C laminated ceramic nozzles were produced by hot pressing. The purpose is to induce a compressive residual stress at the entry area of the laminated ceramic nozzles in fabricating process, and leading an improved erosion wear resistance of the laminated ceramic nozzles. The residual stresses arise from a mismatch between the coefficients of thermal expansion of the constituent phases and neighbouring layers. The value of this residual stress was calculated by means of the finite element method. Effect of this kind of residual stress on the erosion wear of the laminated ceramic nozzles was investigated. (c) 2006 Elsevier Inc. All rights reserved.
引用
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页码：1 / 8
页数：8
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