牛刚,陈银莉,武会宾,许黎明

• 1:钢铁共性技术协同创新中心
• 2:北京科技大学冶金工程研究院

摘要(Abstract)：

利用膨胀法结合金相-显微硬度法,在Gleeble-3500热模拟试验机上研究了钒钛复合耐腐蚀弹簧钢在变形与未变形条件下的连续冷却相变规律,并绘制了静态和动态连续冷却转变曲线(CCT曲线)。研究结果表明:同静态CCT曲线相比,动态CCT曲线整体向左上方移动,即变形对各相的转变有促进作用,铁素体消失的冷速由3.5℃/s提高到10℃/s,珠光体消失的冷速由7℃/s提高到10℃/s;随着冷却速度的增加,珠光体片层间距减小,显微硬度值增大。

关键词(KeyWords)： 耐腐蚀弹簧钢;连续冷却相变;CCT曲线;片层间距;显微硬度

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 牛刚,陈银莉,武会宾,许黎明

DOI: 10.13289/j.issn.1009-6264.2016.04.027

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