刃位错
- 网络Edge dislocation
-
同时观察到在预熔化温度时,刃位错和螺位错的复合位错结构呈现出一种交叉生长的趋势。
Also observed in the melting temperature , edge dislocation and screw dislocation present a crossover growth trend . With the increase of time , rang of screw dislocation extend .
-
本文利用单个刃位错弹性理论的应力公式,借助于应力叠加的方法,计算了[111]方向平界面生长的YAG单晶中圆形和环形分布的位错束产生的应力和应力双折射分布。
Using stress formulas for the single edge dislocation in the theory of elasticity , distributions of the stress and stress birefringence in Nd : YAG single crystals growing along [ 111 ] with homogeneous circular and annular distribution dislocations on the flat interfaces wore calculated .
-
在它的高分辨电子显微像中,不但可以看到明显的镶嵌块结构,而且可以清楚地看到刃位错、空位、非周期性结构与Kink等晶体缺陷。
Not only mosaic blocks but also lattice imperfection including edge dislocations , vacancies , unknown defect with aperiodic fringes and even Kinks are quite clear in the high resolution electron micrograph .
-
钢铁材料中刃位错与溶质原子的交互作用
Interaction Among Solute Atoms and Edge Dislocations in Steel or Iron
-
单晶镍基合金体刃位错的电子结构
Electronic structure of dege dislocation in single crystal nickel - base alloy
-
用光散射层貌术观察Nd:YAG晶体中的非缀饰刃位错
Observation of Undecorated Dislocations in Nd : YAG Crystals by Light Scattering Tomography
-
三维晶体中刃位错引起的相变理论及其实验验证
The theory of edge dislocation-mediated phase transition in three dimensional crystal and its experimental results
-
轻杂质加剧强碳化物形成元素在刃位错区的偏聚。
The light impurity can enforce the aggregation of strong carbide forming elements in the edge dislocation area .
-
用改进分析型嵌入原子法计算金属钼中刃位错的弛豫结构和应变能
Calculations of the relaxed structure and strain energy of edge dislocation in metal Mo by modified analytical embedded-atom method
-
本文用六原子模型.分析丁硼、磷原子在硅、锗半导体中刃位错附近的三维振动特性。
This paper analyzed the property of atom of boron and phosphorus vibrating in three dimesions near the edge dislocation in semiconductor of silicon or germanium with model of six-atoms .
-
发现膜厚的增加,会使得薄膜中的位错密度显著减少,并且螺位错密度的减少速度要快于刃位错密度的。
We found that the film thickness increases , making a significantly reduction in the dislocation density of the films , and the screw dislocation density decrease faster than the edge dislocation density .
-
纯刃位错易于沿位错线被腐蚀,因而其腐蚀坑是沿着表面阶梯分布的尖底倒六棱椎.孙侦探的嘴角上带笑,而眼角棱棱着。
However , the pure edge dislocation is easily etched along the dislocation line , inducing an etch pit of inverted hexagonal pyramid aligned with the surface step . Detective Sun 's mouth curved in a smile , but his eyes narrowed .
-
Fe中刃型位错芯的模型建立及电子结构研究
Model Construction and Electronic Structure Investigation of Edge Dislocation Core in Fe
-
Fe中刃型位错上扭折及掺杂体系的电子结构
Electronic structure and doping effect of kink in edge dislocation of body-centred cubic iron
-
细索两股松松地扭结在一起的轻质绳子Fe中刃型位错上扭折及掺杂体系的电子结构
A light rope made of two loosely twisted strands . Electronic structure and doping effect of kink in edge dislocation of body-centred cubic iron
-
BCC铁中刃型位错与铜沉淀物相互作用的原子尺度模拟
Atomistic Simulation of the Interaction of Edge Dislocation in BCC Iron and Copper Precipitates
-
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 .
-
分子动力学模拟研究单个刃型位错对NiAl马氏体相变的影响
Molecular dynamics study on the influence of single edge dislocation on martensitic transformations in NiAl
-
GaN薄膜中的位错主要为堆垛层错与刃形位错;随着远离界面,GaN中位错密度与镶嵌组织迅速减少。
The dislocations in GaN film mainly are stacking faults and edge dislocations , and the dislocation density and mosaic structures in GaN decrease rapidly away from the interface .
-
本文用密度泛函理论框架下的离散变分方法(DVM)研究了bccFe[100](001)刃型位错体系的电子结构,给出了结合能、原子间相互作用能以及电荷转移信息。
The electronic structure of the bcc Fe ( 001 ) edge dislocation core is investigated using the first principles discrete variational method ( DVM ) .
-
透射电镜(TEM)资料显示:金刚石中刃型位错与螺旋位错均有发育,位错缠结十分明显,位错密度分布不均,在位错缠结的带内位错密度明显高于带间。
TEM shows both screw and knife dislocation can be seen and dislocation tangle is very clear ; the dislocation density is uneven distribution : the density in tangle belt is clearly higher than that in the zone between two belts .
-
bcc-Fe刃型位错偶极子的动力学过程模拟
Dynamic simulation of edge dislocation dipole in bcc-Fe
-
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 .
-
刃型位错芯及其畸变区范围
The Core of the Edge Dislocations and Its Vicinal Distorted Region
-
刃型位错间交互作用应力场的光弹性模拟显示
Photoelastic Simulation Display of Interaction Stress Field of Edge Dislocations
-
刃型位错应力场分量的计算机模拟
Computer simulation for the stress field of edge dislocation
-
刃型位错和圆弧形刚性线夹杂的干涉效应
Interaction Between an Edge Dislocation and Circular-arc Rigid Lines
-
刃型位错弹性应力场的求解
Solution of the double harmonic equation in the elasticity stress field of edge dislocation
-
失配位错为纯刃型位错,可通过滑移面的改变而形成穿透位错;
The misfit dislocations are pure edge dislocation and that can be transformed to threading dislocations via slip .
-
刃型位错降低了应力诱发马氏体形核的激活能,并在相变中起到了塑性协调作用。
Edge dislocation can reduce the activation energy for stress induced martensitic nucleation , and it also plays a role of plastic accommodation in the transformation processes .