艾地,吴化,刘云旭,刘耀东

• 1:长春工业大学先进结构材料省部共建教育部重点实验室

摘要(Abstract)：

对新型的高碳低合金75Si2Mn1.5CrB钢进行了在200℃等温淬火工艺组织和力学性能的研究。利用激光显微镜、透射电子显微镜(TEM)和X射线衍射仪(XRD)对等温淬火处理的试验用钢进行了观察和分析。结果表明,75Si2Mn1.5CrB钢经920℃奥氏体化快冷至200℃等温处理后,组织为带有奥氏体薄膜的贝氏体铁素体、马氏体和残留奥氏体。75Si2Mn1.5CrB钢在200℃等温22 h时,其综合力学性能良好。

关键词(KeyWords)： 高碳低合金钢;贝氏体;等温淬火;组织;力学性能

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51171030)

作者(Author): 艾地,吴化,刘云旭,刘耀东

DOI: 10.13289/j.issn.1009-6264.2013.s1.016

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