high dislocation density 高位错密度
We assume that the ultrahigh hardness is mainly due to the ultrafine grains, high density dislocation and more content of carbon in martensite.
研究分析表明，晶粒细化、高的马氏体含量、马氏体高位错密度和固溶含碳量是获得超高硬度的主要原因。
High density dislocation pile-up lies in the interface of the matrix and the second phase, which induces the sub-structure fining of the matrix.
在基体与析出相的界面上存在高密度位错堆积，从而引起基体金属亚结构细化。
After deformation and heat treatment, single crystal al wire will generate a mass of dislocation cells, high density dislocations and evident recovery phenomena.
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。
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