Loading rate effect on the shear behavior of the carbon fiber/ epoxy interface

被引：4
|
作者：
Yan, Kai [1 ,2 ,3 ]
Cao, Xunqiandi [1 ]
Xie, Ximing [4 ]
Mei, Haijuan [1 ,5 ]
Tang, Jianbo [4 ]
Sun, Xiangyu [3 ,6 ]
Ren, Fuzeng [1 ]
机构：
[1] Southern Univ Sci & Technol, Dept Mat Sci & Engn, Shenzhen 518055, Guangdong, Peoples R China
[2] Hong Kong Univ Sci & Technol, Dept Mech & Aerosp Engn, Hong Kong, Peoples R China
[3] Northwestern Polytech Univ, Sch Aeronaut, Xian 710072, Shaanxi, Peoples R China
[4] Beihang Univ, Ningbo Inst Technol, Adv Mfg Ctr, Ningbo 315100, Zhejiang, Peoples R China
[5] Huizhou Univ, Guangdong Prov Key Lab Elect Funct Mat & Devices, Huizhou 516007, Guangdong, Peoples R China
[6] Johns Hopkins Univ, Hopkins Extreme Mat Inst, 3400 N Charles St, Baltimore, MD 21218 USA
来源：
COMPOSITES SCIENCE AND TECHNOLOGY | 2024年 / 257卷
基金：
中国国家自然科学基金;
关键词：
Carbon fiber; Epoxy; Interface; Loading rate effect; Shear behavior; MECHANICAL-PROPERTIES; COMPOSITES; DELAMINATION; SIMULATION; NANOTUBE; LAYER;
D O I：
10.1016/j.compscitech.2024.110785
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
Carbon fiber (CF)/epoxy (EP) composites are widely used in structural components. Quasistatic and dynamic shear experiments were designed and conducted to investigate the effect of the loading rate on the shear behavior of the CF/EP interface. Using numerical simulation, the accuracy of the new shear testing methods to test the shear behavior of interface under both quasistatic and dynamic loading conditions was verified. The shear failure stress increases with increasing loading rate, and the failure mode of the CF/EP interface changes from fiber-matrix debonding to almost entirely brittle fracture of the matrix and fiber-matrix debonding. The proposed shear test methods are promising for testing the shear behavior of interface between two kinds of materials or phases, and the shift in the failure mode is a consequence of the effect of the loading rate on the shear behavior of the CF/EP interface.
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收藏
页数：15
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