The Influence of Debonding Interface on the Effective Mechanical Properties for Nano-Composites

被引：1
|
作者：
Luo, Dongmei [1 ]
Zhou, Yinglong [2 ]
Zhu, Wenliang [1 ]
Wang, Wenxue [3 ]
机构：
[1] Foshan Univ, Dept Civil Engn, Foshan 528000, Peoples R China
[2] Foshan Univ, Dept Mechtron Engn, Foshan 528000, Peoples R China
[3] Kyushu Univ, Res Inst Appl Mech, Kasuga, Fukuoka 8168580, Japan
来源：
ADVANCED MATERIALS, PTS 1-3 | 2012年 / 415-417卷
关键词：
Debonding interface; Nano-composites; Effective mechanical properties; SIMULATION;
D O I：
10.4028/www.scientific.net/AMR.415-417.557
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Combining the contact elements into the two-scale homogenization method, the effective mechanical properties of nano-composites with a debonding interface are analyzed. A periodic microscopic representative volume element (RVE) is modeled by using a four-phase composite composed of matrix, nano-tube, bonded, and debonding interfaces. The initial stress and coulomb's friction are considered within debonding interface, which is applied to transfer the shear stress produced by the relative slip between nano-tube and matrix, and a simple elastic-plastic constitutive model is established to study the effective mechanical properties of nano-composites. The predicted results show a strong non-linear dependence of the effective mechanical properties on the elastic modulus, volume fraction, debonding length and the ratio of length with thickness of interface.
引用
收藏
页码：557 / +
页数：2
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