陈海林,曾燕屏

• 1:北京科技大学材料科学与工程学院

摘要(Abstract)：

研究了在奥氏体区轧制、650℃模拟卷曲后含铜低碳低硅无取向电工钢中的析出相及其析出规律。结果表明:含铜低碳低硅无取向电工钢中的析出相主要有弥散分布的、等轴状的Cu偏聚区和形状近似正方形的颗粒状的AlN。Cu偏聚区在卷曲5min后即出现,其平均尺寸为20～30nm,且一旦形成长大缓慢。高分辨电子显微镜观察表明,偏聚区是由许多微区组成,且各微区的原子排列可能存在一定的对称性;而AlN在卷曲10min后才出现,大大晚于Cu偏聚区,且一旦形成长大迅速,卷曲32min后,其尺寸便达120nm。

关键词(KeyWords)： 含铜钢;无取向电工钢;Cu偏聚区;AlN

Abstract:

Keywords:

基金项目(Foundation): 国家自然科技基金项目(50971026);; 国家高技术研究发展计划(2008AA03Z503)

作者(Author): 陈海林,曾燕屏

DOI: 10.13289/j.issn.1009-6264.2010.11.016

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