上海大学学报(自然科学版)

• 通信与信息工程 • 上一篇    下一篇

层状复合材料中离散位错的力学行为分析

覃曼青1,2,张俊乾1,葛杨1   

  1. 1.上海大学 上海市应用数学和力学研究所, 上海 200072;2.上海建工集团总公司 技术中心,上海 200050
  • 收稿日期:2006-05-29 修回日期:1900-01-01 出版日期:2007-04-30 发布日期:2007-04-30
  • 通讯作者: 张俊乾

Mechanical Behavior of Discrete Dislocations in ThreeLayered Material Systems

QIN Man-qing1, 2,ZHANG Jun-qian1,GE Yang1   

  1. 1. Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University , Shanghai 200072, China;2. Technology Center, Shanghai Construction (Group) General Co., Shanghai 200050, China
  • Received:2006-05-29 Revised:1900-01-01 Online:2007-04-30 Published:2007-04-30
  • Contact: ZHANG Jun-qian

摘要: 建立含有离散位错的层状材料力学模型;采用应力场修正方法,使用Airy应力函数及Fourier变换获得层状复合材料中单个位错应力场的弹性解;最后使用应力场叠加方法分析了位错和界面的耦合效应.

关键词: 层间效应, 层状材料, 叠加模型, 离散位错

Abstract: The mechanical model for a set of dislocations in an elastic isotropic layer sandwiched between two adherends of different materials is presented. The superposition technique and the method of Airy function along with Fourier transform are used to obtain the elastic solution of a single dislocation in a three-layered material system. Finally by using superposition methods the combined interaction of dislocations and interfaces is analyzed.

Key words: layered materials, superposition, thickness effect, dislocations

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