何欢,董闯,THIERRY Czerwiec,HENRI Michel

• 1:大连理工大学三束材料改性国家重点实验室
• 2:大连理工大学三束材料改性国家重点实验室
• 3:Laboratoire de Science et Gnie des Surfaces (UMR CNRS 7570)
• 4: Ecole des Mines

摘要(Abstract)：

对镍基超合金Inconel6 90进行了离子渗氮处理。利用扫描电镜 (SEM)、X射线衍射 (XRD)及电子背散射衍射 (EBSD)等手段对渗氮层进行了表征。结果表明 :Inconel 6 90经低温离子渗氮处理生成氮在奥氏体中的过饱和固溶相 (γN 相 ) ;取向不同的晶粒γN 层厚度不同 ;γN 层生长速度在θ<1 0 0 >(<10 0>晶向和渗层生长方向的最小夹角 )值较小的晶粒内比在θ<1 0 0 >值较大的晶粒内快 ,并且γN 层厚度与θ<1 0 0 >大致呈线性关系。

关键词(KeyWords)： 镍基超合金;离子渗氮;晶粒取向

Abstract:

Keywords:

基金项目(Foundation): 中法合作研究项目 (PRAMX99 0 4 )

作者(Author): 何欢,董闯,THIERRY Czerwiec,HENRI Michel

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