Fatigue behavior and damage modeling of SCS-6/titanium/titanium aluminide hybrid laminated composite

被引：7
|
作者：
Wang, PC [1 ]
Her, YC [1 ]
Yang, JM [1 ]
机构：
[1] Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1998年 / 245卷 / 01期
关键词：
fatigue behavior; laminated composite; SCS-6/Ti/Ti aluminide;
D O I：
10.1016/S0921-5093(97)00704-1
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The fatigue behavior of the unnotched and notched silicon carbide fiber-reinforced titanium/titanium aluminide hybrid laminated composite was investigated at room temperature. The evolution of microstructural damage and its effect on stiffness and strength degradation was quantified as a function of loading cycles and applied stress levels. Fatigue crack propagation behavior and damage mechanisms in both the crack divider and crack arrester orientations were investigated. Micromechanical models coupled with computer simulation were used to predict the fatigue damage evolution, property degradation and fatigue life. Microstructural design to optimize the fatigue properties of a fiber-reinforced ductile/brittle laminated composite is also discussed. (C) 1998 Elsevier Science S.A. All rights reserved.
引用
收藏
页码：100 / 108
页数：9
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