杨军,符寒光,杜忠泽

• 1:西安建筑科技大学冶金工程学院
• 2:清华大学先进成形制造重点实验室
• 3:西安建筑科技大学冶金工程学院 陕西西安710055
• 4:北京100084

摘要(Abstract)：

研究回火温度、时间和次数对Fe-5%V-5%W-5%Mo-5%Cr-3%Nb-2%Co-2%C(Fe-V-W-Mo)组织和性能的影响。结果表明,回火温度低于350℃,Fe-V-W-Mo合金硬度变化不明显,超过350℃,随着回火温度升高,硬度先逐渐降低,在475℃左右开始回升,在525℃时,达到最高值。Fe-V-W-Mo合金经一次回火后,硬度基本达到最高值,三次回火后,硬度反而降低。回火温度低于475℃,Fe-V-W-Mo合金韧性随回火温度升高而提高。超过475℃,韧性下降。回火温度超过525℃后,韧性又出现提高。在500-550℃回火,Fe-V-W-Mo合金具有优异的耐磨性。

关键词(KeyWords)： Fe-V-W-Mo合金;回火;硬度;韧性;耐磨性

Abstract:

Keywords:

基金项目(Foundation): 西安市科学技术计划项目(GG04062);; 陕西省自然科学基金(2003E121);; 陕西省教育厅专项基金(01JK171)

作者(Author): 杨军,符寒光,杜忠泽

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