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.
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.
单晶铝线材在变形和加热后会产生大量的位错胞、高密度位错和明显的回复再结晶现象。
After deformation and heat treatment, single crystal al wire will generate a mass of dislocation cells, high density dislocations and evident recovery phenomena.
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.
位错线、位错条带、胞结构和迷宫结构是锆合金低周疲劳典型的位错组态。
Dislocation lines, dislocation bands, cell and labyrinth structures are typical dislocation configurations in the fatigued alloys.
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.
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.
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.
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