Life prediction tool for ceramic matrix composites at elevated temperatures

被引：6

作者：

Case, S ^{[1
]}

Iyengar, N ^{[1
]}

Reifsnider, K ^{[1
]}

机构：

[1] Virginia Tech, Engn Sci & Mech Dept, Mat Response Grp, Blacksburg, VA 24061 USA

来源：

COMPOSITE MATERIALS: FATIGUE AND FRACTURE, SEVENTH VOLUME | 1998年 / 1330卷

关键词：

ceramic matrix composites; life prediction; remaining strength; damage tolerance;

D O I：

10.1520/STP13271S

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

A life prediction method for ceramic matrix composites is developed. This model is based upon damage mechanics concepts included in the framework of the critical element model. One unique feature of the model is its ability to include general variations of temperature and applied loads as functions of time. A detailed description of application of the model to elevated temperature fatigue is given. In addition, a validation example is presented that includes the combined effects of rupture and fatigue. The comparison with the experimental data is shown to be good, although the result does appear to be dominated by the rupture effect.

引用

页码：165 / 178

页数：14

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