肖逸锋,杨燕,龚伟伟,吴靓,许艳飞,钱锦文,贺跃辉

• 1:湘潭大学机械工程学院
• 2:湘潭大学焊接机器人及应用技术湖南省重点实验室
• 3:湘潭大学复杂轨迹加工工艺及装备教育部工程研究中心
• 4:中南大学粉末冶金国家重点实验室

摘要(Abstract)：

以钨铁和炭黑为原料采用真空烧结反应合成制备了WC铁基耐磨材料,通过XRD、OM、SEM、EDS、硬度计与湿沙橡胶轮式磨损试验机等研究其组织与性能。结果表明:在1250~1450℃的温度区间内进行烧结,均可原位合成WC,同时生成少量Fe_3W_3C相;原位合成的WC颗粒细小,且弥散分布于基体,而Fe_3W_3C相随温度的升高而长大;当烧结温度为1350℃时,材料的力学性能最佳,宏观硬度高达56 HRC,磨损质量损失最小,其相对耐磨性为Q235钢的27倍。

关键词(KeyWords)： 钨铁;WC;反应合成;真空烧结

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51271158,51401175,51504213);; 湖南省重点研发计划项目(2015WK3021)

作者(Author): 肖逸锋,杨燕,龚伟伟,吴靓,许艳飞,钱锦文,贺跃辉

DOI: 10.13289/j.issn.1009-6264.2016-X340

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