张朝磊,赵帆,文新理,杨勇,赵海东,刘雅政

• 1:北京科技大学材料科学与工程学院
• 2:西宁特殊钢集团有限责任公司

摘要(Abstract)：

通过箱式电阻炉等温加热实验,研究了加热温度和0.037%Nb微合金对弹簧钢60Si2CrVAT表面完全脱碳层深度和形貌的影响。实验结果表明:加热时间为90min时,弹簧钢60Si2CrVAT完全脱碳层形成温度为725~925℃,完全脱碳层中铁素体为粗大的柱状晶,并且存在一个完全脱碳敏感的温度区间800~875℃,850℃时完全脱碳层深度达到最大。添加0.037%Nb并没有对弹簧钢60Si2CrVAT完全脱碳层深度有明显影响,但是显著影响了完全脱碳层形貌。

关键词(KeyWords)： 弹簧钢;表面脱碳;微合金化技术;晶粒细化

Abstract:

Keywords:

基金项目(Foundation): 中央高校基本科研业务费专项资金(FRF-TP-14-003A1)

作者(Author): 张朝磊,赵帆,文新理,杨勇,赵海东,刘雅政

DOI: 10.13289/j.issn.1009-6264.2015.09.029

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