何正员,刘美红,赵国荣,蒋业华,周荣,黎振华

• 1:昆明理工大学材料科学与工程学院
• 2:昆明理工大学机电学院
• 3:昆明理工大学应用技术学院

摘要(Abstract)：

对含碳0.44 wt%和含硼2.95 wt%的Fe-C-B合金分别进行了正火、水淬、水淬+回火、退火处理。借助光学显微镜、XRD、冲击韧性和硬度测试,研究热处理对Fe-C-B合金性能的影响规律。结果表明,热处理改变了合金中基体和共晶硼化物分布形态,Fe-C-B合金的硬度在44.3～62.4 HRC变化,而韧性提高到6.0～9.8 J.cm-1,其中1 000℃淬火处理的综合力学性能最好。

关键词(KeyWords)： Fe-C-B合金;热处理;组织;硬度;韧性

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(50701020);; 云南省应用基础研究计划(2007E034M);; 云南省教育厅重点科研基金项目(07Z11437);; 国家大学生创新性实验计划项目(091067408)

作者(Author): 何正员,刘美红,赵国荣,蒋业华,周荣,黎振华

DOI: 10.13289/j.issn.1009-6264.2010.12.017

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