杨闯,刘静,马亚芹,杨峰,洪流

• 1:贵州师范大学材料与建筑工程学院

摘要(Abstract)：

对TC4钛合金进行真空渗氮处理,通过X射线衍射(XRD)、扫描电镜(SEM)、显微硬度计及耐磨试验机分析了渗氮层的组织与性能。结果表明,TC4钛合金经真空气体渗氮处理后,形成了由TiN、Ti2AlN和钛铝金属间化合物Ti3Al组成的复合改性层,氮化层组织均匀致密,形成了较宽的氮扩散区,表面硬度为1100~1200 HV,有效硬化层深度为50~60μm,硬度梯度平缓,脆性低,耐磨性得了极大的改善。

关键词(KeyWords)： TC4钛合金;真空渗氮;组织;性能

Abstract:

Keywords:

基金项目(Foundation): 贵州师范大学2014年博士科研启动项目;; 贵州省科学技术基金(黔科合LH字[2014]7047号);; 贵州省科技计划(黔科合JZ字[2014]2003号)

作者(Author): 杨闯,刘静,马亚芹,杨峰,洪流

DOI: 10.13289/j.issn.1009-6264.2015.07.031

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