Mechanical Property of SiC Fiber-Reinforced TB8 Composite Laminates

被引：0
|
作者：
Liu W. [1 ]
Hou H. [1 ,2 ,3 ]
Qu H. [1 ,2 ,3 ]
Zhao B. [1 ,2 ,3 ]
Wang Y. [1 ,2 ,3 ]
机构：
[1] AVIC Manufacturing Technology Institute, Beijing
[2] Aeronautical Key Laboratory for Plastic Forming Technologies, Beijing
[3] Beijing Key Laboratory for Plastic Technologies and Equipment, Beijing
来源：
Xiyou Jinshu/Chinese Journal of Rare Metals | 2020年 / 44卷 / 07期
关键词：
Composite laminate; Foil-fiber-foil; Mechanical properties; Orientation of laying-up; Titanium matrix composites;
D O I：
10.13373/j.cnki.cjrm.XY18110028
中图分类号：
学科分类号：
摘要：
SiC fiber-reinforced TB8 composite laminates were prepared by foil-fiber-foil method. The microstructure, fracture morphology and mechanical properties of composite laminates were characterized by optical electron microscopy (OM), scanning electron microscopy (SEM) and mechanical properties testing machine to study the effect of the orientation of laying-up on the mechanical properties of SiC fiber-reinforced TB8 composite laminates. The results showed that high quality SiC fiber-reinforced TB8 composite laminates were able to form under the process parameters of 880 °C/50 MPa/2 h. The fiber was uniformly arranged and the fiber directions were consistent with the design directions. The adjustment and improvement of the mechanical properties of SiC fiber-reinforced TB8 composites in different directions could be achieved by designing the single-layer SiC fiber laying angle and layup sequence. The unidirectional SiC fiber-reinforced TB8 composite had the best longitudinal performance and the tensile strength at room temperature was 1362.20 MPa. The [0/-30/0/30/0┴-]S, [0/-45/90/45/0┴-]S and [0/90/0/90/0┴-]S SiC fiber-reinforced TB8 composite laminates increased the lateral strength while partially sacrificing the longitudinal strength. [0/-45/90/45/0┴-]S composite laminate might be considered when titanium matrix composites were subjected to multi-directional forces. When the stress state of titanium matrix composite was certain, [0/-30/0/30/0┴-]S composite laminates or other orientation of laying-up determined according to the actual situation might be considered. © Editorial Office of Chinese Journal of Rare Metals. All right reserved.
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页码：722 / 728
页数：6
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