而最表层由于获得完全细化的马氏体组织，拥有较好的回火稳定性，与未偏磨面表层硬度相当。

However, because of fully granin refinement of martensite and good perfornance of temper resistance , the hardness of outer surface of worn side is equal to that of non-worn side.

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并从残余奥氏体、未溶碳化物和马氏体回火程度几个方面分析了组织和性能之间的关系。

The relation of the microstructures and the properties in aspect of retained austenite(Ar) , undissolved carbide(Cr) and martonsite tempered content has been analyzed.

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