米俊龙,贾涓,李建,宋新莉,孙新军

• 1:武汉科技大学省部共建耐火材料与冶金国家重点实验室
• 2:钢铁研究总院工程结构用钢研究所

摘要(Abstract)：

采用淬火配分(Q&P)工艺对不同Mn含量的两种试验钢进行热处理,观察了试验钢的显微组织形貌,借助X射线衍射(XRD)测量计算了残留奥氏体的含量,测量了试验钢宏观和微区的硬度,分析了Mn元素对中锰钢组织及性能的影响。结果表明:Mn含量高的试验钢中碳化物析出较少,奥氏体稳定性较强,残留奥氏体含量最高达到19.16%,有利于改善中锰钢的韧性;经相同工艺处理后,Mn含量高的试验钢硬度更高,有利于提高中锰钢的耐磨性。

关键词(KeyWords)： 中锰钢;残留奥氏体;碳化物;硬度;淬火配分

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划(2017YFB0305100);; 国家级大学生创新创业训练计划项目(201710488011)

作者(Author): 米俊龙,贾涓,李建,宋新莉,孙新军

DOI: 10.13289/j.issn.1009-6264.2019-0300

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