陈枭,纪岗昌,王洪涛,白小波,于福义

• 1:九江学院机械与材料工程学院

摘要(Abstract)：

采用激光熔覆技术在45钢基体表面熔覆MoB/CoCr金属陶瓷覆层,对MoB/CoCr覆层进行X射线衍射(XRD)、扫描电镜(SEM)、能谱(EDS)的微观组织结构分析和对覆层的硬度进行测试。结果表明:熔覆层组织致密,与基体结合牢固且呈冶金结合;熔覆层的主要物相为CoMo2B2和CoMoB,主要的化学成分是Mo、Cr和Co,合金化区中Fe元素的含量明显增加。硬度测试表明熔覆层的硬度值是45钢硬度值的10倍以上。

关键词(KeyWords)： MoB/CoCr;激光熔覆;金属陶瓷;45钢;硬度

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(50961007);; 江西省自然科学基金项目(2010GQC0117);; 江西省教育厅科技项目(GJJ12622,GJJ11236)

作者(Author): 陈枭,纪岗昌,王洪涛,白小波,于福义

DOI: 10.13289/j.issn.1009-6264.2012.10.022

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