并用透射电镜、扫描电镜研究了珠光体组织的演变特点和渗碳体的变形。
The microstructure evolution of pearlitic steel in ECAP was investigated by means of transmission electron microscope and scanning electron microscope.
同时可以获得细小的铁素体和珠光体组织，各项指标满足国家标准的要求。
The fine ferrite and pearlite were obtained in the meantime and all kinds of properties can meet the request of national standard.
次表面为变形的片状珠光体组织，片状碳化物发生碎化，硬度也有一定的提高。
The sub surface were deformed pearlite, the flake carbides were broken, and the hardness increased.
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