Fe—C—Cr—Mn亚稳奥氏体铸铁磨损表层的TEM观察

ISSN 1004-0595

CN 62-1224/O4

Fe—C—Cr—Mn亚稳奥氏体铸铁磨损表层的TEM观察[J]. 摩擦学学报, 2000, 20(3): 193-196.

引用本文:

Fe—C—Cr—Mn亚稳奥氏体铸铁磨损表层的TEM观察[J]. 摩擦学学报, 2000, 20(3): 193-196.

TEM Observation of the Worn Surface Layer in Metastable Austenite Fe-C-Cr-Mn Cast Iron[J]. TRIBOLOGY, 2000, 20(3): 193-196.

Citation:

TEM Observation of the Worn Surface Layer in Metastable Austenite Fe-C-Cr-Mn Cast Iron[J]. TRIBOLOGY, 2000, 20(3): 193-196.

TEM Observation of the Worn Surface Layer in Metastable Austenite Fe-C-Cr-Mn Cast Iron

摘要: 用透射电镜观察了 Fe- C- Cr- Mn亚稳奥氏体基铸铁在 80 0 #Si C砂纸上经往复摩擦磨损试验后磨损表层的微观结构 .结果表明 :摩擦表层奥氏体基体的微观组织结构不均匀 ,有位错区、层错区、滑移区和ε-马氏体区 ;此外 ,还观察到了大量的奥氏体变体 ,沿其 1 31 晶带轴旋转 2 5.35°可与基体 1 1 2 晶带轴重合 ;在碳化物颗粒附近只观察到奥氏体变体和层错 .

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