MODEL OF THE NONLINEAR MECHANICAL-BEHAVIOR OF 2D SIC-SIC CHEMICAL-VAPOR INFILTRATION COMPOSITES

被引：54
|
作者：
AUBARD, X
LAMON, J
ALLIX, O
机构：
[1] UNIV BORDEAUX 1,SOC EUROPEENE PROP,CNRS,COMPOSITES,THERMOSTRUCT LAB,UNITE MIXTE RECH,F-33600 PESSAC,FRANCE
[2] UNIV PARIS 06,ECOLE NORMALE SUPER,CNRS,MECAN & TECHNOL LAB,F-94230 CACHAN,FRANCE
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1994年 / 77卷 / 08期
关键词：
D O I：
10.1111/j.1151-2916.1994.tb07106.x
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：
An approach to the nonlinear stress-strain behavior of ceramic matrix composites was proposed, based upon damage mechanics. Damage-loading relations taking into account effects of anisotropy and coupling were established. These relations allowed prediction of the stress-strain behavior, and ultimate failure. The theory was then applied to a 2D SiC/SiC composite subject to tensile loading under 0-degrees, 20-degrees, and 45-degrees off-axis angles. A two-stage damage mechanism was identified by optical microscopy on specimens under load. Predictions of the stress-strain behavior were in excellent agreement with experimental data.
引用
收藏
页码：2118 / 2226
页数：109
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