宋逸思,李传维,李克,胡海鹏,张梅,陈益华,顾剑锋

• 1:上海交通大学材料科学与工程学院
• 2:中国航发南方工业有限公司
• 3:清华大学航天航空学院

摘要(Abstract)：

研究了0Cr16Ni5Mo1马氏体不锈钢的奥氏体化相变及加热与等温过程中晶粒的生长行为。结果表明：加热速率对实验钢奥氏体化相变的开始(A_s)与结束(A_f)温度影响显著，随着加热速率增加，相变温度呈明显上升趋势；实验钢的奥氏体化过程存在严重的组织遗传，导致得到粗大的晶粒；在进一步升温过程中，新的奥氏体晶粒会在原奥氏体晶界自发再结晶形核并长大；新晶粒在等温过程中的生长行为可用动力学模型D~(6.6)=1.883×10~(20)t~(1.617)e~((-353691.03/RT))进行描述。

关键词(KeyWords)： 0Cr16Ni5Mo1马氏体不锈钢;奥氏体自发结晶;晶粒生长模型

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(52171042);; 国家科技重大专项(J2019-VI-0004-0117)

作者(Author): 宋逸思,李传维,李克,胡海鹏,张梅,陈益华,顾剑锋

DOI: 10.13289/j.issn.1009-6264.2023-0179

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