Analysis of stress transfer in short fiber-reinforced composites with a partial damage interface by a shear-lag model

被引：18
作者：
Hu, Yan-Gao [1 ,2 ]
Ma, Y. L. [2 ]
Hu, C. P. [3 ]
Lu, X. Y. [2 ]
Gu, S. T. [1 ,2 ]
机构：
[1] Chongqing Univ, Minist Educ, Key Lab New Technol Construct Cities Mt Area, Chongqing 400045, Peoples R China
[2] Chongqing Univ, Sch Civil Engn, Chongqing 400045, Peoples R China
[3] Qingdao Inst Technol, Qingdao 266300, Shandong, Peoples R China
来源：
MECHANICS OF MATERIALS | 2021年 / 160卷
基金：
中国国家自然科学基金;
关键词：
Fiber-reinforced composite; Interface; Shear-lag model; Cohesive model; COHESIVE ENERGY; BEHAVIOR; MODULUS;
D O I：
10.1016/j.mechmat.2021.103966
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The stress transfer mechanism in fiber-reinforced composites with a partial damage interface was investigated by a newly developed shear-lag model with a cohesive interface. The analytical solutions of the interfacial shear stress and the normal stress in the fiber at a damage stage were obtained. Analytical expressions of the critical stress corresponding to the initiation of damage or debonding of the interface were derived. The analytical solutions agreed well with the numerical results and existing experimental results.
引用
收藏
页数：8
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