陈泓业,李胜利,刘爽,李激光,刘正东,雍岐龙,唐广波

• 1:辽宁科技大学材料与冶金学院
• 2:钢铁研究总院特殊钢研究所
• 3:钢铁研究总院工程用钢研究所

摘要(Abstract)：

以规则溶液亚点阵模型为基础,针对Fe-Nb-V-Ti-Mo-C-N合金系,基于多元复合析出相的固溶析出理论建立了复合碳氮化物在含钼低合金钢奥氏体中的析出热力学计算模型。结果表明:在高温阶段的析出相主要是TiN,而在低温阶段,析出相以富V复合碳化物为主;Mo元素几乎不从奥氏体中析出,Mo能够提高微合金元素(Nb、V、Ti)在奥氏体中的固溶度积,降低微合金元素和间隙元素的活度,大大延迟其析出过程。

关键词(KeyWords)： 钼;低合金钢;碳氮化物;析出;热力学

Abstract:

Keywords:

基金项目(Foundation): 国家“十二五”科技支撑计划资助项目(2012BAF04B01)

作者(Author): 陈泓业,李胜利,刘爽,李激光,刘正东,雍岐龙,唐广波

DOI: 10.13289/j.issn.1009-6264.2014.06.038

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