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本文介绍了用高温金相显微镜测定表面奥氏体晶粒度的影响因素,对表面晶粒与内部晶粒的不一致性进行了讨论,并对高温金相显微镜测量奥氏体晶粒度的可行性提出了看法。
In this paper, the influence factors of surface austenite grain size by high temperature metallographic microscope are introduced. The inconsistencies of surface grain and internal grain are discussed. The feasibility of measuring the austenite grain size by high temperature metallographic microscope Sex put forward the view.