党淑娥,何艳,刘燕,宿展宁

• 1:太原科技大学材料科学与工程学院

摘要(Abstract)：

本文选取30Cr2Ni4MoV低压转子钢作为研究对象,利用光学显微镜对其非平衡组织重新加热到Ac1~Ac3+70℃温度区间的奥氏体晶核形成及长大过程进行了观察和分析。结果表明,在Ac1~Ac3+70℃的低温侧形成的奥氏体晶核以针状为主;中温区针状和球状两种奥氏体晶核并存;高温侧形成的奥氏体晶核以球状为主;奥氏体晶核在长大过程中,不仅针状奥氏体具有组织遗传效应,而且球状奥氏体在一定条件下也具有粗大组织遗传现象。

关键词(KeyWords)： 30Cr2Ni4MoV钢;晶核形成;晶核长大;组织遗传

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51275330);; 山西省自然科学基金(2012011022-4)

作者(Author): 党淑娥,何艳,刘燕,宿展宁

DOI: 10.13289/j.issn.1009-6264.2014.s2.015

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