周乐育,张朝磊,刘翔,赵帆,文新理,刘雅政

• 1:北京科技大学材料科学与工程学院

摘要(Abstract)：

通过研究铌的沉淀强化及其对奥氏体晶粒粗化行为的影响,并结合扫描电子显微镜分析,揭示加热过程中铌在弹簧钢60Si2MnANb中的固溶规律。结果表明,当Nb含量为0.022%时,弹簧钢的晶粒粗化温度提高了150℃,并具有明显的沉淀强化作用;铌迅速大量固溶的开始温度为1100℃,完全固溶温度为1250~1300℃,其比晶粒粗化温度高150~200℃。

关键词(KeyWords)： 弹簧钢;微合金化;固溶;晶粒粗化

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 周乐育,张朝磊,刘翔,赵帆,文新理,刘雅政

DOI: 10.13289/j.issn.1009-6264.2014.08.027

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