丁忠发,尹付成,李洁翡,李智,赵满秀

• 1:湘潭大学材料科学与工程学院
• 2:湘潭大学材料设计及制备技术湖南省重点实验室

摘要(Abstract)：

采用扫描电镜、能谱仪和X射线衍射仪等分析手段,结合硬度测定和摩擦磨损实验,研究了一类基于Laves相强化的FeMo-Cr-Ni耐磨合金的成分及热处理工艺与组织性能之间的关系。结果表明,铸态合金为Laves+α-Fe(Mo,Cr,Ni)两相组织,主要呈魏氏体组织和枝晶组织两种类型,均匀化退火处理后魏氏体组织特征完全消失,随着Mo和Ni元素含量增加,沿Laves相边界逐渐析出χ相,淬火处理后,χ相析出量增加;铸态合金磨损机制为粘着磨损,退火态合金磨损机制为磨粒磨损;实验中Fe Mo25Cr14Ni10合金具有优异的组织与性能。

关键词(KeyWords)： Fe-Mo-Cr-Ni;耐磨合金;Laves相;磨损

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51471141)

作者(Author): 丁忠发,尹付成,李洁翡,李智,赵满秀

DOI: 10.13289/j.issn.1009-6264.2015.07.007

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