主要技术路线是高洁净度、高均匀性、微合盒化、超细晶粒及组织。
The characters of new steels are high cleanliness, high homogeneity, ultra-fine grained and micro alloyed.
在此基础上，建立了陶瓷镜面磨削塑性变质层的物理模型，并用微刃切削理论解释了表面晶粒的碎化机理。
Based on these, the physical model of plastic degenerating layer has been established and the fractional mechanism of surface crystal particles has been explained by micro-edge cutting theory.
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