位置：成果数据库 > 期刊 > 期刊详情页
圆柱型各向异性材料中螺型位错与非理想界面圆形夹杂的干涉效应
  • 期刊名称：郭道强，麻双双，刘又文，圆柱型各向异性材料中螺型位错与非理想界面圆形夹杂的干涉效应，工程力学 27（
  • 时间：0
  • 分类：O343.7[理学—固体力学;理学—力学]
  • 作者机构：[1]湖南大学机械与运载工程学院汽车车身先进设计制造国家重点实验室,长沙410081
  • 相关基金：国家自然科学基金（10872065,50801025） ;教育部长江学者与创新团队发展计划（531105050037）
  • 相关项目：非均质材料中位错与纳米显微结构的耦合作用机理
关键词： 位错偶极子, 圆形界面刚性线, 复变函数方法, 应力强度因子, 像力, 像力偶矩
中文摘要：

本文重点研究螺型住错偶极子和圆形夹杂界面刚性线的弹性干涉效应。利用复变函数方法，得到了该问题的一般解；此外还求出了只含一条界面刚性线时的封闭解答，得到了刚性线尖端的应力强度因子以及作用在螺型位错偶板子中心的像力和像力偶矩。研究结果表明：位错偶板子对应力强度因子具有很强的屏蔽或反屏蔽效应；软夹杂吸引位错偶极子，而刚性线排斥位错偶板子，在一定条件下，位错偶极子在刚性线附近出现一个平衡位置；当刚性线的长度争材料剪切模量比达到临界值时，可以改变偶极子和界面之间的干涉机理；刚性线长度对位错偶极子中心像力偶矩也有很大的影响。

同期刊论文项目
Al-Mg-Si合金中纳米尺度析出相强韧化效应的位错机制
期刊论文 41
非均质材料中位错与纳米显微结构的耦合作用机理
期刊论文 45
同项目期刊论文
含界面效应纳米尺度圆环形涂层中螺型位错分析
Misfit dislocations in an annular film grown on a cylindrical nanowire with different elastic consta
压电材料中非对称十字裂纹反平面问题
增强相/夹杂内螺位错偶极子与含共焦钝裂纹椭圆夹杂的干涉效应
压电材料中螺型位错偶极子与圆弧形界面裂纹的电弹干涉效应
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
Analytical solution for a strained reinforcement layer bonded to lip-shaped crack under remote mode
Energy density and release rate study of an elliptic-arc interface crack in piezoelectric solid unde
Image force and stability of a screw dislocation inside a coated cylindrical inhomogeneity with inte
Dipole of edge misfit dislocations and critical radius condition for buried strained cylindrical inh
Elastic behaviour of a wedge disclination dipole near a sharp crack emanating from a semi-elliptical
Shielding effect and emission condition of a screw dislocation near a blunt crack in elliptical inho
Electroelastic interaction between a piezoelectric screw dislocation and a confocal elliptic blunt c
Effect of interaction of dislocations with core-shell nanowires on critical shear stress of nanocomp
Interaction between screw dislocations and inclusions with imperfect interfaces in composites
Effect of interface stresses on the image force and stability of an edge dislocation inside a nanosc
Shielding Effect and Emission Criterion of a Screw Dislocation Near an Interfacial Crisscross Crack
Edge dislocations generated from blunt crack tip in viscoelastic material under residual stress
The interaction between a screw dislocation and a rigid line in a confocal elliptical inhomogeneity
Special rotational deformation effect on the emission of dislocations from a crack tip in deformed n
A piezoelectric screw dislocation in a three-phase composite cylinder model with an imperfect interf
Misfit dislocation dipoles and critical parameters of buried strained nanoscale inhomogeneity
Misfit dislocations in an annular strained film grown on a cylindrical nanopore surface.
Elastic behaviour of an edge dislocation near a sharp crack emanating from a semi-elliptical blunt c
纳米线涂层中失配位错偶极子分析
无穷远处Ⅲ型均布荷载与集中荷载作用下应变加强层连接唇形裂纹的解析解
向错偶极子对楔型裂纹尖端场的干涉效应
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
压电材料中螺型位错与含裂纹非理想界面圆形夹杂的干涉效应
多铁性材料中螺型位错与含弱界面圆形夹杂的相互作用
Shielding effect and emission criterion of a screw dislocation near an interfacial blunt crack
The solution of a wedge disclination dipole interacting with an annular inclusion and the force acting on the disclination dipole
Edge dislocations generated from blunt crack tip in viscoelastic material under residual stress.
The interaction between a screw dislocation and a rigid line in a confocal elliptical inhomogeneity.
A Piezoelectric Screw Dislocation Interacting with an Elliptical Piezoelectric Inhomogeneity Contain
含界面效应纳米尺度圆环形涂层中螺型位错分析
Behavior of an Extended Dislocation near an Elliptical Blunt Crack
压电材料中非对称十字裂纹反平面问题
增强相/夹杂内螺位错偶极子与含共焦钝裂纹椭圆夹杂的干涉效应
压电材料中螺型位错偶极子与圆弧形界面裂纹的电弹干涉效应
复合材料中压电螺型位错与含刚性核夹杂的电弹干涉
剪切波沿钢筋纵向入射时钢筋与混凝土间黏结力拟静力解析解
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
Cracking characteristics of mixed mode dislocations near a lip-like mode crack
含界面效应纳米尺度夹杂中刃形位错的稳定性分析
Screw dislocations interacting with a coated inhomogeneity containing two imperfect interfaces
The interaction between screw dislocations and an interfacial blunt crack and a sharp crack
The interaction between a screw dislocation and an interfacial cruciform crack and collinear linear
Shielding Effect and Emission Criterion of a Screw Dislocation Near an Interfacial Crisscross Crack.
Dislocation emission from an elliptically blunted crack tip with surface effects
Screw dislocations and an interfacial blunt crack with viscoelastic interface
Critical shear stress produced by interaction of edge dislocation with nanoscale inhomogeneity
Misfit dislocations in an annular strained film grown on a cylindrical nanopore surface
Interaction between a dislocation and a core-shell nanowire with interface effects
Shielding effect and emission criterion of a screw dislocation near an interfacial blunt crack
The solution of a wedge disclination dipole interacting with an annular inclusion and the force acti
纳米线涂层中失配位错偶极子分析
无穷远处Ⅲ型均布荷载与集中荷载作用下应变加强层连接唇形裂纹的解析解
向错偶极子对楔型裂纹尖端场的干涉效应
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
纵向剪切下含共焦刚性核弹性椭圆夹杂中的螺型位错干涉
压电材料中螺型位错与含裂纹非理想界面圆形夹杂的干涉效应
Analysis of a piezoelectric screw dislocation inside an elliptical inhomogeneity with confocal rigid line in piezoelectric material
多铁性材料中螺型位错与含弱界面圆形夹杂的相互作用
Shielding effect and emission criterion of a screw dislocation near an interfacial blunt crack
The solution of a wedge disclination dipole interacting with an annular inclusion and the force acting on the disclination dipole