螺型位错

计算了作用在螺型位错上的位错力。

The image force acting on the screw dislocation is then calculated .

均匀热流场中螺型位错、界面裂纹与夹杂的相互作用

Interaction among a Screw Dislocation , Interfacial Crack and Inclusion under Uniform Heat Flux

TEM表明，β-SiC晶须表面沿〈111〉方向具有平行的堆垛层错，晶须横断面呈实心正三角形，顶端出现螺型位错。

TEM showed that the whiskers had triangle cross sections , stacking faults in ( 111 ) direction and spiral dislocations at tips of them .

研究了快速热退火（RTA）对p型GaN中位错的影响。我们发现RTA对GaN中螺型位错的影响很大，而刃型位错则在RTA下比较稳定。

The relationship between rapid thermal annealing ( RTA ) and the dislocations in p-doped GaN via MOCVD was studied .

当纳米晶中有螺型位错等晶体缺陷形成时，会为Si原子的“落座”提供生长所需的台阶源，晶粒将以螺旋状生长方式长大。

When the helix dislocation formed in nano-crystal , step resources required for Si atoms ' growth can be supplied and crystal grains grow up by the way of helix .

在具有长程应变场的GGG晶体中螺型位错的应力双折射像

Birefringence images of end-on screw dislocations in GGG crystals containing a long-range plane strain field

对于简单四方晶体中奇异螺型位错，一级近似与Peierls模型结果巧合。计算了fcc和bcc两种晶系中各种位错的自能和等效位错内切半径，并初步考虑了各向异性弹性效应。

For the case of singular screw dislocation in simple orthogonal crystal , the first order approximation coincides with the result of Peierls model .

由于[0001]方向的螺型位错的Burgers矢量比刃型位错的Burgers矢量大得多，故可从蚀坑的深浅来判别螺型位错和刃型位错。

Because of the Burgers vector of the screw dislocations in [ 0001 ] direction are much larger than that of the edge dislocations , one can distinguish the screw dislocations from the edge dislocations according to the depth of etch pits .

纵向剪切下螺型位错和圆形夹杂界面裂纹的干涉作用

Interaction Between Screw Dislocation and Circular Interfacial Cracks under Longitudinal Shear

立方准晶中螺型位错的弹性场

The elasticity field for screw dislocation in cubic quasi - crystal

含非完整界面涂层夹杂中螺型位错的弹性分析

Elastic analysis of a screw dislocation inside a coated inhomogeneity with imperfect interfaces

立方晶体中螺型位错的双折射现象

Birefringence Image of Screw Dislocation in Cubic Crystals

压电复合材料圆形夹杂中螺型位错和界面裂纹的干涉分析

Analysis of a Screw Dislocation Inside a Circular Inclusion With Interfacial Cracks in Piezoelectric Composites

立方准晶材料中的运动螺型位错

Moving Screw Dislocation in Cubic Quasicrystal

晶体缺陷规范场方法处理运动螺型位错

A study on moving screw dislocation by the method of gauge field theory for crystal defects

研究压电材料在均匀热流作用下螺型位错与圆弧裂纹的相互作用。

The interaction between piezoelectric screw dislocation and circular crack under remote uniform heat flux was investigated .

该文研究了螺型位错偶极子和圆形夹杂界面裂纹的弹性干涉作用。

This paper investigates the problem of the elastic interaction between a screw dislocation dipole and a circular interface crack .

本文用晶体缺陷规范场方法分析了运动螺型位错的性质，在一定规范条件下求解了螺型位错的动力学方程，得到了匀速运动螺型位错的应力场。

In this paper , the gauge field theory of crystal defects is applied to analyse the characteristics of moving screw dislocation .

研究了各向异性双材料中匀速运动螺型位错与界面刚性线的干涉问题。

The problem for the interaction between a uniformly moving screw dislocation and interface rigid lines in two dissimilar anisotropic materials are investigated .

运用复变函数方法研究了压电磁材料中圆柱形刚性夹杂附近运动螺型位错所激发的力场和电磁场。

The mechanical and electromagnetic fields excited by a moving screw dislocation near a cylindrical rigid inclusion are investigated by complex variable method .

研究了无穷远纵向剪切下圆形弹性夹杂界面裂纹与基体中任意位置螺型位错的相互干涉问题。

The interaction effects between the circular interfacial cracks and the screw dislocation located inside the matrix under longitudinal shear are dealt with .

第五章研究压电材料在远端均匀热流场下螺型位错、椭圆界面裂纹与夹杂之间相互作用的问题。

In the fifth chapter , the interaction among a screw dislocation , elliptical interfacial crack and inclusion under remote uniform heat flux is researched .

研究了压电材料中位于基体的螺型位错与含界面刚性线圆形涂层夹杂的电弹耦合干涉问题。

The problem of the electroelastic coupling interaction between a screw dislocation and a circular coated inclusion with an interfacial rigid line in piezoelectric solids is investigated .

各向异性材料中螺型位错与含非完整界面圆形夹杂干涉效应回忆方式和年龄差异对语言单位大小效应的影响

Interaction between Screw Dislocations and Circular Inclusions with Imperfect Interfaces in Anisotropic Materials ; RECALL MODEL AND AGE DIFFERENCE INFLUENCE THE SIZE EFFECT OF LANGUAGE UNITS IN MEMORY

第二章基于压电材料的机电耦合关系求解螺型位错、圆形界面裂纹与夹杂之间相互作用的问题。

In the second chapter , the interaction among a screw dislocation , circular interfacial crack and inclusion is solved based on the electromechanical coupling relation of piezoelectric material .

本文主要研究压电材料在远端均匀热流场作用下，螺型位错分别和圆形夹杂与界面裂纹、椭圆形夹杂与裂纹之间相互作用的问题。

The interaction among a screw dislocation , circular inclusion and interface crack or elliptical inclusion and interface crack under remote uniform heat flux is mainly researched in this paper .

刃型位错中多余半原子面边缘的连线，或者螺型位错中错排螺旋的中心轴线。

The line that extends along the end of the extra half-plane of atoms for an edge dislocation , and along the center of the spiral of a screw dislocation .

分析结果表明，非理想界面对螺型位错与夹杂的干涉作用具有强烈的扰动效应。

As a result , analysis and discussion show that the influence of interfacial crack rigid line inclusion or imperfect interfaces on the interaction between screw dislocation and inhomogeneity is significant .

包括双材料边缘界面钝裂纹粘弹性断裂螺型位错相容原理；钝裂纹粘弹塑性断裂刃型位错相容原理。

Two problems are considered : The compatible of screw dislocations and visco-elastic fracture of edge interfacial blunt crack in bimaterial ; The compatible of edge dislocations and visco-elastic-plastic fracture of blunt crack .

采用复变函数解析延拓原理，研究了电磁材料中压电磁螺型位错和共线界面刚性线的磁电弹耦合干涉效应并得到该问题的一般解答。

This paper studied the interaction of a generalized screw dislocation with interfacial conducting rigid line inclusions by using analysis continuation principle of functions of complex variable , and the general solution of the problem was presented .