Effect of Cyclic Fatigue Loading on Matrix Multiple Fracture of Fiber-Reinforced Ceramic-Matrix Composites

被引：9

作者：

Li, Longbiao ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Coll Civil Aviat, 29 Yudao St, Nanjing 210016, Peoples R China

来源：

CERAMICS-SWITZERLAND | 2019年 / 2卷 / 02期

关键词：

Ceramic-matrix composites (CMCs); Multiple matrix cracking; Cyclic fatigue; Interface debonding; Interface wear; STRESS-STRAIN BEHAVIOR; MULTICRACKING EVOLUTION; TENSILE BEHAVIOR; CRACKING STRESS; DAMAGE; HYSTERESIS; MECHANICS; DESIGN; 2D;

D O I：

10.3390/ceramics2020027

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：

In this paper, the effect of cyclic fatigue loading on matrix multiple fracture of fiber-reinforced ceramic-matrix composites (CMCs) is investigated using the critical matrix strain energy (CMSE) criterion. The relationships between multiple matrix cracking, cyclic fatigue peak stress, fiber/matrix interface wear, and debonding are established. The effects of fiber volume fraction, fiber/matrix interface shear stress, and applied cycle number on matrix multiple fracture and fiber/matrix interface debonding and interface wear are discussed. Comparisons of multiple matrix cracking with/without cyclic fatigue loading are analyzed. The experimental matrix cracking of unidirectional SiC/CAS, SiC/SiC, SiC/Borosilicate, and mini-SiC/SiC composites with/without cyclic fatigue loading are predicted.

引用

页码：327 / 346

页数：20

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