云南高校图书馆联盟文献共享服务平台- 国家自然科学基金(50801025)

国家自然科学基金(50801025): 作品数：10被引量：5H指数：2; 导出分析报告; 相关作者：刘又文方棋洪曾鑫陶永舒郭道强更多>>; 相关机构：湖南大学更多>>; 相关期刊：《力学与实践》《固体力学学报》《Chinese Physics B》《Applied Mathematics and Mechanics(English Edition)》更多>>; 相关主题：BLUNRACK应力强度因子CRACK更多>>; 相关领域：理学冶金工程航空宇航科学技术一般工业技术更多>>

电磁复合材料中圆弧形界面导电刚性线尖端应力强度研究: 《机械强度》2013年第3期328-334,共7页贺新柱冯慧曾鑫刘又文; 国家自然科学基金资助项目(10872065,50801025)~~; 研究无穷远处反平面力载荷和平面电磁载荷作用下,电磁智能材料中圆弧形界面导电刚性线尖端应力强度问题。运用复变函数方法,得到该问题的一般解;并得到界面上只有一条刚性线时的封闭形式解,求解基体及夹杂区域复势函数、刚性线尖端的应...; 关键词：电磁材料圆形夹杂界面刚性线应力强度因子

纳米线涂层中失配位错偶极子分析: 《固体力学学报》2012年第5期501-507,共7页陶永舒刘又文方棋洪; 国家自然科学基金项目(10872065和50801025);湖南大学汽车车身先进设计制造国家重点实验室科学基金项目(51075001和61075005)资助; 研究了纳米线环形晶体薄膜涂层中失配位错偶极子与纳米线的干涉效应,并考虑纳米尺度应力效应及纳米线晶格失配的影响.运用弹性复势方法,分别获得了涂层和纳米线区域复势函数的精确解析解.利用求得的应力场和Peach-Koehler公式,得到了作...; 关键词：纳米线配位错偶极子界面效应晶格失配

压电材料中螺型位错和偶极子与半椭圆槽表面裂纹的干涉效应: 《机械强度》2012年第2期256-261,共6页陈响军刘又文方棋洪; 国家自然科学基金(10872065,50801025);高等教育博士点基金(200805320023);汽车车身先进设计制造国家重点实验室(60870005)资助项目~~; 运用弹性复势方法,研究纵向剪切和面内电场共同作用下无限半平面压电材料中螺型位错和偶极子与半椭圆槽表面裂纹的电弹干涉效应,得到该问题复势函数的封闭形式解答,并由此导出广义应力场、裂纹尖端的广义应力强度因子以及作用在螺型位...; 关键词：压电材料螺旋位错和偶极子半椭圆槽表面钝裂纹应力强度因子位错力

Analytical solution for a strained reinforcement layer bonded to lip-shaped crack under remote modeⅢuniform load and concentrated load: 《Applied Mathematics and Mechanics(English Edition)》2010年第9期1125-1140,共16页刘又文谢超蒋纯志方棋洪; Project supported by the National Natural Science Foundation of China(Nos.10872065 and 50801025);the State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body(No. 60870005);the Doctor Station Fund of Institutions of Higher Learning(No.200805320023); In this paper, the analytical solution of stress field for a strained reinforcement layer bonded to a lip-shaped crack under a remote mode III uniform load and a concentrated load is obtained explicitly in the series ...; 关键词：lip-shaped crack strained reinforcement layer concentrated load remote load eigenstrain interfacial stress

Elastic behaviour of a wedge disclination dipole near a sharp crack emanating from a semi-elliptical blunt crack: 《Chinese Physics B》2010年第5期412-418,共7页宋豪鹏方棋洪刘又文; Project supported by the National Natural Science Foundation of China (Grant Nos. 10872065 and 50801025);the Natural Science Foundation of Hunan Province of China (Grant No. 09JJ4003);the Hunan Provincial Innovation Foundation for Postgraduate,China (Grant No. CX2009B067); The interaction between a wedge disclination dipole and a crack emanating from a semi-elliptic hole is investigated. Utilising the complex variable method, the closed form solutions are derived for complex potentials ...; 关键词：wedge disclination dipole blunt crack shielding effect image force

Effect of interaction of dislocations with core-shell nanowires on critical shear stress of nanocomposites被引量：2: 《Journal of Central South University》2010年第3期437-442,共6页方棋洪刘咏李慧中黄伯云; Projects(50801025, 50634060 ) supported by the National Natural Science Foundation of China; The contribution to the critical shear stress of nanocomposites caused by the interaction between screw dislocations and core-shell nanowires (coated nanowires) with interface stresses was derived by means of the MOTT...; 关键词：NANOCOMPOSITES dislocations NANOWIRE interface stress critical shear stress

向错偶极子对楔型裂纹尖端场的干涉效应: 《力学与实践》2010年第1期16-19,15,共5页郭道强刘又文; 国家自然科学基金资助项目(10872065,50801025); 研究了材料中楔型向错偶极子与楔型裂纹的弹性干涉问题.运用复变函数方法获得了复势函数和应力场的封闭形式解答,导出了楔型裂纹尖端应力强度因子的解析表达式.讨论了向错偶极子的位置、方向和偶臂长度对楔型裂纹尖端应力强度因子的屏...; 关键词：向错楔型裂纹应力强度因子复变函数方法

Elastic behaviour of an edge dislocation near a sharp crack emanating from a semi-elliptical blunt crack被引量：1: 《Chinese Physics B》2010年第1期409-416,共8页方棋洪宋豪鹏刘又文; Project supported by the National Natural Science Foundation of China (Grant Nos. 10872065 and 50801025); The interaction between an edge dislocation and a crack emanating from a senti-elliptic hole is dealt with. Utilizing the complex variable method, closed form solutions are derived for complex potentials and stress fi...; 关键词：edge dislocation blunt crack shielding effect image force

Shielding effect and emission criterion of a screw dislocation near an interfacial blunt crack被引量：2: 《Chinese Physics B》2009年第4期1564-1569,共6页宋豪鹏方棋洪刘又文; Project supported by the National Natural Science Foundation of China (Grant Nos 10872065 and 50801025); Shielding effect and emission criterion of a screw dislocation near an interracial blunt crack are dealt with in this paper. Utilizing the conformal mapping technique, the closed-form solutions are derived for complex...; 关键词：screw dislocation interracial blunt crack shielding effect emission criterion

The solution of a wedge disclination dipole interacting with an annular inclusion and the force acting on the disclination dipole: 《Chinese Physics B》2008年第12期4592-4598,共7页宋豪鹏方棋洪刘又文; Project supported by the National Natural Science Foundation of China (Grant Nos 10872065 and 50801025); The interaction between a wedge disclination dipole and an elastic annular inclusion is investigated. Utilizing the Muskhelishvili complex variable method, the explicit series form solutions of the complex potentials ...; 关键词：wedge disclination dipole annular inclusion image force

国家自然科学基金(50801025)