dislocation density

The threading dislocation density is reduced to almost zero in the area on mask.

在SiO2掩膜区生长的GaN，其腐蚀坑密度（相当于穿透位错密度）减少到几乎为零。

The results show that dezincification corrosion resistance of cold-drawing Bi-brass is worse than that of hot-rolled Bi-brass and as-cast Bi-brass as a results of β phase distributed along cold-working direction and the increase of dislocation density and residual stress.

结果表明，冷拔态的铋黄铜，由于β相沿着冷加工方向分布，同时位错密度和残余应力的增加，导致了其耐脱Zn腐蚀性能比热轧态的黄铜和铸造态的黄铜差。

Integral transforms and dislocation density functions were employed to reduce the problem to Cauchy singular integral equations. The numerical results show the effects of loading combination parameter, material distribution and crack configuration on the fracture behavior.

数值方法为采用积分变换和位错函数法将问题简化为Cauchy奇异积分方程，最后给出数值结果，讨论了载荷耦合参数、材料分布形式和裂纹位置等因素对断裂行为的影响。

The flow stress was evaluated the average dislocation density of the matrix and all the R-grains.

流变应力的大小可由基体与再结晶晶粒位错密度的平均值计算.

The dislocation density is low in the nugget zone.

焊核区晶内有少量位错.

The lower dislocation density in bainite is unfavourable for the aggregation and coarsening of carbides.

贝氏体中位错密度较低,不利于合金碳化物的聚集粗化.

With the dislocation density increasing the maximum of the principal strain augments with the pass increasing.

随着位错密度的增加,主应变最大值随后续挤压道次的增加呈增大趋势.

Thinning and damage of martensite laths and increase of dislocation density in laths during severe rolling;

大变形轧制细化、破碎板条马氏体，并进一步增加了组织中的位错密度；

The increase of cooling rate results in the increase of dislocation density and twin quantity.

随冷却速率的增大,位错密度增大,孪晶数量增多.

T EM observations indicate that the dislocation density is very low in the ELO reg ion.

透射电子显微镜的观测表明在ELO范围内位错密度很低.

In addition, the electron wind force will also enhance the mobility of dislocation groups, that are blocked at the sites of depositional particles, leading to the accruement of dislocations and increases the density of intragranular dislocations.

另外电子风力也会促进被阻塞在沉淀相粒子处的位错团的移动，从而促进了晶内位错的增殖，提高了位错密度。

There exist both the dislocations with high density and the dislocation loops in the ferrite in the diffused layer.

扩散层铁素体中存在高密度位错及位错环。

The experimental results show that the hydrostatic extrusion strengthening results from high dislocation density.

实验表明:材料挤压强化主要是形成位错密度很高的胞状结构.

The analysis of X diffraction of the samples after hardening showed that under shot peening conditions, the strengthening mechanism of high manganese steel had deformation twinning density and dislocation density but no Martensite strengthening.

加工硬化后试样的X衍射分析显示，在喷丸处理条件下，高锰钢的加工硬化机制为位错理论和孪晶硬化理论，没有诱发马氏体相变。