碳纳米管复合材料的界面剪切应力研究
A Study on Interfacial Shear Stress for Carbon Nanotube Composites
DOI: 10.12677/MS.2017.74058, PDF, HTML, XML, 下载: 1,441  浏览: 4,340  科研立项经费支持
作者: 高 明, 卞立春, 潘 静, 刘 伟, 孟淑睿：燕山大学，工程力学系，河北 秦皇岛
关键词: 碳纳米管；界面切应力；轴向应力；剪切滞后模型；弹性理论；Carbon Nanotube； Interfacial Shear Stress； Axial Loading； Shear Lag Model； Elastic Theory
摘要: 本论文采用剪切滞后模型，建立了碳纳米管复合材料的代表性体元模型，并且将碳纳米管看做一个有效纤维，模拟分析碳纳米管复合材料的主要形态特性。研究重点主要集中在碳纳米管与基体接触面的剪切应力，假设有效纤维与碳纳米管具有相同的直径和长度，运用应力连续条件和位移连续条件以及相关平衡方程等，推导得出计算所需要的复合材料界面处的切应力表达式，本论文推论得到的结果可以校核碳纳米管复合材料因滑动位移而产生的破坏。
Abstract: In this paper, the shear lag model is used to establish the representative element model of carbon nanotube composite and the carbon nanotube is considered as an effective fiber to simulate the main morphological characteristics of composites. The investigation focuses on the shear stress of interface, and it is assumed that the effective fibers and carbon nanotubes have the same diameter and length. The interface shear stress expression is derived using the continuity conditions of stress and displacement, and equilibrium equations. Based on the results obtained, the damage caused by the sliding displacement of carbon nanotube composites could be checked.
文章引用：高明, 卞立春, 潘静, 刘伟, 孟淑睿. 碳纳米管复合材料的界面剪切应力研究[J]. 材料科学, 2017, 7(4): 440-449. https://doi.org/10.12677/MS.2017.74058

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