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本文介绍用扫描电镜在接触疲劳麻点剥落断口上,首次显示了马氏体的立体形貌及其脆断特征,讨论了显示高碳马氏体立体形貌的条件,星花状分布的马氏体的形成原因和高碳马氏体的结构。
In this paper, the scanning electron microscope (SEM) is used to study the three-dimensional morphology and brittle fracture characteristics of martensite on contact fatigue pitting spalling fracture. The conditions of high-carbon martensite morphology, The reason of the formation of the body and the structure of high carbon martensite.