董洪波,康永林

• 1:南昌航空大学航空制造工程学院
• 2:北京科技大学材料科学与工程学院

摘要(Abstract)：

在Gleeble 1500热模拟试验机上,通过应力松弛实验研究了低碳贝氏体钢在不同工艺条件下奥氏体的软化行为,得到了不同温度、不同变形速率下的再结晶动力学曲线。同时,采用常规的双道次压缩实验得到了变形温度1000℃,应变速率0.1 s-1时,不同变形间隔的静态软化率,与应力松弛实验结果吻合得很好。说明应力松弛法是测试静态软化率的一种有效方法,可以大幅度地减少实验工作量。

关键词(KeyWords)： 超低碳贝氏体钢;软化行为;再结晶动力学;应力松弛

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(50964012)

作者(Author): 董洪波,康永林

DOI: 10.13289/j.issn.1009-6264.2011.03.021

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