| 层状复合材料中离散位错的力学行为分析 |
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| 引用本文： | 覃曼青,张俊乾,葛杨. 层状复合材料中离散位错的力学行为分析[J]. 上海大学学报(自然科学版), 2007, 13(2): 197-202 |
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| 作者姓名： | 覃曼青 张俊乾 葛杨 |
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| 作者单位： | 上海大学,上海市应用数学和力学研究所,上海,200072;上海建工集团总公司,技术中心,上海,200050;上海大学,上海市应用数学和力学研究所,上海,200072 |
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| 基金项目： | 上海市教委资助项目;上海市"曙光计划";上海市重点学科建设项目 |
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| 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.
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| 关 键 词： | 离散位错 层状材料 叠加模型 层间效应 |
| 文章编号： | 1007-2861（2007）02-0197-06 |
| 收稿时间： | 2006-05-29 |
| 修稿时间： | 2006-05-29 |
Mechanical Behavior of Discrete Dislocations in Three-Layered Material Systems |
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| QIN Man-qing,ZHANG Jun-qian,GE Yang. Mechanical Behavior of Discrete Dislocations in Three-Layered Material Systems[J]. Journal of Shanghai University(Natural Science), 2007, 13(2): 197-202 |
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| Authors: | QIN Man-qing ZHANG Jun-qian GE Yang |
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| Affiliation: | 1. Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University , Shanghai 200072, China;2. Technology Center, Shanghai Construction (Group) General Co.， Shanghai 200050, China |
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| 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 . |
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| Keywords: | dislocations layered materials superposition thickness effect |
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