Bistable behaviour and microstructure characterization of carbon fiber/epoxy resin anti-symmetric laminated cylindrical shell after thermal exposure

被引：31
|
作者：
Zhang, Zheng [1 ,2 ]
Ye, Gangfei [1 ]
Wu, Helong [2 ]
Yang, Jie [3 ]
Kitipornchai, Sritawat [2 ]
Chai, Guozhong [1 ]
机构：
[1] Zhejiang Univ Technol, Key Lab E&M, Minist Educ & Zhejiang Prov, Hangzhou 310014, Zhejiang, Peoples R China
[2] Univ Queensland, Sch Civil Engn, Brisbane, Qld 4072, Australia
[3] RMIT Univ, Sch Aerosp Mech & Mfg Engn, Melbourne, Vic 3083, Australia
来源：
COMPOSITES SCIENCE AND TECHNOLOGY | 2017年 / 138卷
基金：
中国国家自然科学基金;
关键词：
Composite structure; Bistable cylindrical shell; Anti-symmetric layup; Thermal exposure; Microstructure characterization; HIGH-TEMPERATURE EXPOSURE; CORE SANDWICH PANEL; PYRAMIDAL TRUSS STRUCTURES; MECHANICAL-PROPERTIES; COMPOSITE SHELLS;
D O I：
10.1016/j.compscitech.2016.11.019
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
Bistable behaviour and microstructure characterization of carbon fiber/epoxy resin anti-symmetric cylindrical shells after thermal exposure are investigated by experimental method in this paper. The effect of thermal exposure temperature and duration on the curvatures, load-displacement curves and snap loads of bistable shells are discussed systematically. The results show that both the thermal exposure temperature and duration have a significant influence on the bistable behaviour of those antisymmetric laminated cylindrical shells. Some interesting phenomena after high-temperature exposure are found in snap-through and snap-back processes. The microstructure of the shell before and after thermal exposure is characterized using scanning electron microscope (SEM), which provide an insight into bistable deformation mechanism of those shells after being exposed to elevated temperature. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：91 / 97
页数：7
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