刘晨曦,张旦天,刘永长,宁保群,高秋志,严泽生

• 1:天津大学材料科学与工程学院

摘要(Abstract)：

开发了一种改进型的铁素体耐热钢,采用高精度差分膨胀仪对该钢种的奥氏体化行为进行了研究。研究表明加热速率对其微观组织和相变行为有着显著影响。随着加热速率的提高,原奥氏体晶粒尺寸下降,奥氏体转变所需的时间变短,奥氏体相变温度升高,并且还会导致沉淀无法充分溶解至基体中。

关键词(KeyWords)： 铁素体耐热钢;高精度差分膨胀仪;奥氏体化;微观组织;相变行为

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金钢铁联合基金重点项目(50834011)

作者(Author): 刘晨曦,张旦天,刘永长,宁保群,高秋志,严泽生

DOI: 10.13289/j.issn.1009-6264.2011.10.013

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