秦尚武,党淑娥,马玉霞,刘玮

• 1:太原科技大学材料科学与工程学院

摘要(Abstract)：

研究了过(深)冷处理对30Cr1Mo1V非平衡组织重新加热过程中奥氏体形核及长大行为的影响。结果表明:在非平衡组织重新加热奥氏体化过程中,由于过(深)冷处理增加了超细微碳化物的析出,促进了α→γ相转变,从而导致奥氏体晶核在较低温度形成,并在两相区A_(c1)~A_(c3)之间完全奥氏体化。重新在1000℃以下加热奥氏体化时,过(深)冷处理在细化奥氏体晶粒的同时还使其混晶度降低;在1000℃以上加热奥氏体化时,随重新加热温度的升高,奥氏体晶粒粗化的同时其混晶度也随之增大。

关键词(KeyWords)： 过(深)冷处理;非平衡组织;奥氏体形核与长大;混晶度

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 秦尚武,党淑娥,马玉霞,刘玮

DOI: 10.13289/j.issn.1009-6264.2016-X228

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