A COMPARATIVE-STUDY OF THE IMPACT BEHAVIOR OF CERAMIC MATRIX COMPOSITES

被引：10

作者：

MACKE, T ^{[1
]}

QUENISSET, JM ^{[1
]}

NEUILLY, D ^{[1
]}

ROCHER, JP ^{[1
]}

NASLAIN, R ^{[1
]}

机构：

[1] UNIV BORDEAUX 1,CNRS,CHIM SOLIDE LAB,F-33405 TALENCE,FRANCE

来源：

COMPOSITES SCIENCE AND TECHNOLOGY | 1990年 / 37卷 / 1-3期

关键词：

D O I：

10.1016/0266-3538(90)90104-D

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

Dynamic toughness of ceramic matrix composites is evaluated by instrumented Charpy impact testing. Assuming ceramic composites to be damageable elastic materials and utilizing a procedure based on a dynamic analysis of the notched bending specimen responses, various fracture parameters are studied. Dynamic toughness KId, derived from fracture initiation and dynamic crack growth resistance curves are used to characterize the dynamic toughness of various 2D and 3D ceramic matrix composites. Significant differences in R curves are correlated with the fibrous structure and the component nature of the composites. The usefulness of impact testing at moderate deformation speed is established. © 1989.

引用

页码：267 / 278

页数：12

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