张雪姣,宋肖阳,李萌蘖,朱琳

• 1:天津重型装备工程研究有限公司
• 2:昆明理工大学材料科学与工程学院

摘要(Abstract)：

测量了50Cr5NiMoV钢的等温膨胀曲线,研究了等温膨胀曲线中孕育期的读取误差对拟合相变动力学参数n的影响,提出了一种获得参数n的方法,建立了50Cr5NiMoV钢的等温奥氏体分解相变动力学模型。应用叠加原理预测连续冷却条件下奥氏体分解相变体积分数,借助连续冷却膨胀曲线对模型参数进行了验证。同时,利用该模型,基于商用ABAQUS软件,对50Cr5NiMoV支承辊热处理过程进行了温度-组织模拟。研究结果表明,该模型能够准确地预测支承辊热处理过程中显微组织演变规律。

关键词(KeyWords)： 50Cr5NiMoV钢;相变动力学;叠加法;支承辊

Abstract:

Keywords:

基金项目(Foundation): 天津市科技支撑重点项目(17YFZCGX00900)

作者(Author): 张雪姣,宋肖阳,李萌蘖,朱琳

DOI: 10.13289/j.issn.1009-6264.2018-0463

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