班春燕,刘恋,姜丹丹,巴启先,崔建忠

• 1:东北大学材料电磁过程研究教育部重点实验室

摘要(Abstract)：

研究了在直流磁场及频率为10 Hz、30 Hz交流磁场作用下AZ80镁合金凝固组织、合金元素在晶内含量及合金硬度的变化。结果表明,AZ80镁合金经交流磁场处理后,晶粒明显细化,晶界变窄,夹杂物的尺寸显著减小;经直流磁场处理后,晶粒大小没有明显变化,但晶界变窄,夹杂物的尺寸减小。无论经交流磁场还是直流磁场处理后,Al和Zn在晶粒内部的含量均比未经磁场处理有了明显增加。此外,经磁场处理后,合金硬度有一定程度的提高。初步阐明了这些现象产生的原因。

关键词(KeyWords)： 镁合金;交流磁场;直流磁场;凝固组织

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(50731002)

作者(Author): 班春燕,刘恋,姜丹丹,巴启先,崔建忠

DOI: 10.13289/j.issn.1009-6264.2011.12.005

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