利用透视电镜研究了IF钢在单向拉伸各阶段中的位错形成、增生、阻塞和滑移的演变过程。
The forming, growing, blocking and gathering of dislocation in IF steel during uniaxial tension are investigated using TEM testing.
利用位错形成能等于零(即错配应变能的降低等于位错自能)的条件，得到了外延生长薄膜的临界厚度。
The critical thickness is determined from the zero formation energy of a misfit dislocation. i. e. the amount of reduced mismatch strain energy equaling the amount of creased dislocation self energy.
位错的形成与离子注入引进的损伤和淬火过程中的热应力有关。
The ion-implantation damage defects and thermal stress during quenching step are responsible for the formation of dislocations.
而不同的石墨烯面之间存在的表面能可以通过在晶界处形成空位或者位错环而得到降低。
The interface energy that exists between the sheets could be minimized by the grain boundaries by the formation of dislocations or pairs of rings.
低温退火可以避免在顶部硅层中氧沉淀及延伸位错等缺陷的形成。
The formation of oxygen precipitates and threading dislocations in top Si layer could be avoided by low temperature annealing.
本文对解理台阶的形成模型——解理裂纹与螺位错交割模型进行了诠释。
Its explicitly explained how the cleavage step pattern is formed by the cleavage crack intersecting with screw dislocation.
有序化形成第二相粒子后阻碍位错运动，提高合金强度。
It leads to form the second phase particle, which hinder dislocation motion and improve alloy intensity.
疲劳裂纹扩展阶段裂纹尖端附近为形成于铁素体晶粒内的位错胞及亚晶。
Dislocation cell and sub grain formed in ferrite grain are found at the stage of fatigue crack propagation in the area of crack tip.
结果表明，弱界面有阻碍位错运动、偏转主裂纹扩展方向的作用，可形成分层断口。
The results showed that the weak interface can block the motion of the dislocations and change the propagation direction of the main crack, and result in forming lamella fracture surface.
结果表明，弱界面有阻碍位错运动、转主裂纹扩展方向的作用，可形成分层断口。
The results showed that the weak interface can block the motion of the dislocations and change the propagation direction of the main crack, and result in forming lamella fracture surface.
研究此类迷人的位错花样的形成、失稳及其特性，对现代塑性理论和材料设计都是一项基础性的工作。
The exploring for forming, destabilization and characteristic of fascinating dislocation patterns is a basic work for the plastic theory and material design.
然后利用相同的计算模型，分别计算了硅的滑移面和拖动面上的各种位错的形成能。
Second, with the same model, we calculated the forming energies of different dislocations in the glide and shuffle planes in Si.
本文分析了位错胞的形成、特性及其变形程度对位错组态演化的影响。
This paper analyzes the formation and characters of dislocation patterns, and the effect of strain on the dislocation pattern evolution.
分析认为，辊压后材料中位错的特殊结构和材料内部所形成的损伤累积是疲劳性能下降的主要原因。
It is considered that special structure of the dislocation and damage accumulation induced by rolled were main factors to make the fatigue strength of the welded joint reduced after rolled prestrain.
高温顺磁性奥氏体在外强磁场的作用下可发生磁化变形，使奥氏体形成高密度的位错胞结构，并有弥散碳化物析出。
This dislocation cell structure is inherited by martensite, restricts the growing of the martensite and refines the structure so as to strengthen and toughen the magnetic field quenched materials.
金属塑性变形过程中，外加应力和内应力的共同作用导致位错组态的形成。
The combined action of the applied and internal stress has brought about the formation of dislocation patterns in the process of plastic deformation.
研究中，将宏观断裂力学及微观断裂物理相结合，根据位错产生微裂纹机制，对磨削过程的微裂纹的形成采用位错赛积模型来描述。
According to the mechanism that micro-cracks come into being from the dislocation, the dislocation piled-up model is used to describe the grinding crack.
结果表明挤压一次后，晶粒内位错密度急剧增加，形成位错纠缠，晶粒细化效果最明显；
The results show that grain size is significantly refined due to the sharply increases of dislocation density in grain resulting in dislocation tangle after one-turn pressing.
薄膜试样直接观察指出，在氢引起马氏体相变之前，氢使位错和层错大量形成。
The observation upon the film sample indicates that a lot of dislocations and stacking faults have been formed before the formation of the martensite induced by hydrogen.
孪晶自身相互交割和位错的滑移相互协调，形成了细小的孪晶和胞状组织；
Twin-twin self-intersection and dislocation slipping were coordinated, the refined twins and cystiform microstructure were formed.
由于形成固溶体的合金化过程引起的金属硬化和强化，其机制是异类原子的存在限制了位错的可动性。
Hardening and strengthening of metals that result from alloying in which a solid solution is formed. The presence of impurity atoms restricts dislocation mobility.
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 experimental results show that the hydrostatic extrusion strengthening results from high dislocation density.
介绍了地震孕育发生与双向应变结构相伴的形成机制及地震发生时位错空间的来源机制，并初步得到了地震实践较为普遍的证实。
The forming mechanism of biaxial strain structure accompanying preparation and occurrence of earthquakes, the source mechanism of dislocation when an earthquake occurred has been introduced.
介绍了地震孕育发生与双向应变结构相伴的形成机制及地震发生时位错空间的来源机制，并初步得到了地震实践较为普遍的证实。
The forming mechanism of biaxial strain structure accompanying preparation and occurrence of earthquakes, the source mechanism of dislocation when an earthquake occurred has been introduced.
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