郭丽娜,詹肇麟,李莉,刘安强

• 1:昆明理工大学机电工程学院

摘要(Abstract)：

利用高能球磨,通过剧烈的塑性变形,使Fe、Al粉末颗粒发生细化和机械合金化,并产生高的畸变能和界面能,在560℃和620℃进行低温烧结,Fe、Al原子沿着大量的晶界和缺陷进行扩散,形成FeAl合金相。经过12h的高能球磨,620℃烧结、保温4h,可以使Fe、Al复合粉完全转变成FeAl金属间化合物,晶粒均匀细小,呈现等轴状,晶粒大小约为30nm。

关键词(KeyWords)： 高能球磨;晶粒细化;低温烧结;FeAl合金

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(50671045);; 云南省中青年学术技术带头人后备人才基金(2007PY01-05)

作者(Author): 郭丽娜,詹肇麟,李莉,刘安强

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