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含Al_2Y化合物中间合金对AZ31镁合金组织的影响

Effect of Master Alloy Containing Al_2Y Compound on Microstructure of AZ31 Mg Alloy
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摘要 研究了含Al_2Y化合物中间合金对AZ31镁合金铸态组织及晶粒细化行为的影响,探讨了Al_2Y对镁合金组织细化的机理。结果表明:挤压态中间合金晶粒较细小,第二相Al_2Y分布也较均匀;Al_2Y化合物对AZ31细化作用较明显,当其含量为1.5%时细化效果最好。 The effects of Al2Y intermetallic compound on the microstructure and grain refinement behavior of AZ31 Mg alloy were studied. The refinement mechanism of Al2Y on Mg alloys was discussed. The results show that the grain size of extruded master alloy is smaller and second phases Al2Y are uniform distribution. The refinement of Al2Y compound on AZ31 alloy is fairly pronounced, and Al2Y master alloy with the content of 1.5wt% presents the best refining effect.
作者 许明圣
机构地区 平高集团有限公司
出处 《热加工工艺》 CSCD 北大核心 2015年第24期68-70,74,共4页 Hot Working Technology
基金 国家高技术研究发展计划(863计划)基金资助项目(2011AA05A121)
关键词 镁合金 中间合金 Al2Y 组织 晶粒细化 Mg alloy master alloy Al2Y microstructure grain refinement
分类号 TG146.22 [金属学及工艺—金属材料]
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参考文献14

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热加工工艺
2015年 第24期

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