Assessment of failure temperature of ultra-high temperature ceramic plates

被引：0
|
作者：
Zeng T. [1 ]
Yan S. [1 ]
Fang D.-N. [2 ]
Gao Y. [1 ]
机构：
[1] Department of Engineering Mechanics, Harbin University of Science and Technology
[2] Department of Mechanics and Aerospace Technology, Peking University
来源：
Frontiers of Materials Science in China | 2010年 / 4卷 / 3期
基金：
中国国家自然科学基金;
关键词：
failure temperature; mechanical properties; stress field; ultra-high temperature ceramics (UHTCs);
D O I：
10.1007/s11706-010-0092-2
中图分类号：
学科分类号：
摘要：
A theoretical model is presented to assess the failure temperature for ultra-high temperature ceramics (UHTCs). The parameters in the present work, such as thermal expansion coefficient and Young's modulus, are considered functions of temperature to calculate the stress field of UHTCs under high temperature conditions. The critical elevated temperature for failure is calculated by using the Maximum Principle Strength theory. By establishing the relation between the temperature and the mechanical properties of the UHTCs, it is found that the failure behavior of UHTCs is affected by initial temperature. © 2010 Higher Education Press and Springer-Verlag Berlin Heidelberg.
引用
收藏
页码：259 / 261
页数：2
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