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

被引：55

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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