A thermomechanical comparative study on carbon and boron nitride nanotube-reinforced polymer composites

被引：12
作者：
Yang, Seunghwa [1 ]
机构：
[1] Chung Ang Univ, Mech Energy Engn Div, Sch Energy Syst Engn, Seoul 06974, South Korea
来源：
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2022年 / 29卷 / 24期
基金：
新加坡国家研究基金会;
关键词：
Boron nitride nanotube; carbon nanotube; interface; molecular dynamics simulation; nanocomposites; INCLUSION; BEHAVIOR;
D O I：
10.1080/15376494.2021.1905916
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The reinforcement effect of boron nitride nanotube (BNNT) and carbon nanotube (CNT) on thermoelastic behavior of poly(methyl methacrylate) (PMMA) nanocomposites was compared through a molecular dynamics (MD) simulation and mean-field micromechanics model. Uniaxial tension, shearing, cooling down, and pullout simulations were implemented in MD simulations. In micromechanics, the multi-inclusion (M-I) model was adopted. Both nanocomposites showed similar transversely isotropic elastic constants and coefficients of thermal expansion (CTEs). BNNTs provided better interfacial load transfer and dispersibility with PMMA; meanwhile, CNTs reduced the CTE of the matrix more. For both nanocomposites, the thermoelastic behavior was sensitive to the interfacial imperfection and interphase zone.
引用
收藏
页码：3556 / 3569
页数：14
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