Prediction of interface stiffness of single-walled carbon nanotube-reinforced polymer composites by shear-lag model

被引：9
|
作者：
Hu, Yan-Gao [1 ,2 ]
Li, Y. F. [2 ]
Han, J. [2 ]
Hu, C. P. [3 ]
Chen, Zh. H. [1 ,2 ]
Gu, S. T. [1 ,2 ]
机构：
[1] Chongqing Univ, Minist Educ, Key Lab New Technol Construct Cities Mountain Are, 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：
ACTA MECHANICA | 2019年 / 230卷 / 08期
基金：
中国国家自然科学基金;
关键词：
STRESS TRANSFER; LOAD-TRANSFER; STRENGTH; MECHANICS; BEHAVIOR;
D O I：
10.1007/s00707-019-02426-7
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Interfacial stress transfer of single-walled carbon nanotube-reinforced polymer composites subjected to uniaxial tension was investigated by a newly developed shear-lag model integrated with a spring layer model. A linear relationship between the tangential relative displacement and the interfacial shear stress was assumed for the interface which is determined by van der Waals forces. The interface stiffness parameter was determined through comparing the stress distribution of the shear-lag model with multiscale simulation results. The effect of the interface stiffness and the nanotube's aspect ratios on the distribution of stress in CNT-reinforced composites was studied.
引用
收藏
页码：2771 / 2782
页数：12
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