Solidification behaviour of Al-7%Si-Mg casting alloys

CORC > 西北工业大学

	Solidification behaviour of Al-7%Si-Mg casting alloys
	Chen ZW(陈忠伟) ; Li JS(李金山) ; Jie WQ(介万奇) ; Liu L(刘林) ; Fu HZ(傅恒志)
刊名	http://epub.edu.cnki.net/grid2008/brief/detailj.aspx?filename=ZYSY200501007&dbname=CJFQ2005
	2012-04-24 ; 2012-04-24
关键词	Al-Si-Mg casting alloys solidification cooling rate eutectic transformation
中文摘要	The effects of Mg content and cooling rate on the solidification behaviour of Al-7%Si-Mg(mass fraction) casting alloys have been investigated using differential scanning calorimetry, differential thermal analysis and microscopy. The Mg contents were selected as respectively 0.00%, 0.35% and 0.70%(mass fraction). DTA curves of Al-7%Si-0.55%Mg(mass fraction) alloy at various cooling rates were accomplished and the alloy melt was cast in different cooling rates. The results indicate that increasing Mg content can lower the liquidus and binary Al-Si eutectic transformation temperatures. Large Fe-rich π-phases (Al_8FeMg_3Si_6) are found in the 0.70% Mg alloys together with some small β-phases (Al_5FeSi); in contrast, only β-phases are observed in the 0.35% Mg alloys. The test results of the Al-7%Si-0.55%Mg alloys identify that the liquidus and binary Al-Si eutectic transformation temperatures decrease, and the quantity of ternary Al-Si-Mg_2Si eutectic phase decreases as the cooling rate increases.
语种	中文
出版者	Transactions of Nonferrous Metals Society of China
内容类型	期刊论文
源URL	[http://ircloud.calis.edu.cn/hdl/261030/288]
专题	西北工业大学
推荐引用方式 GB/T 7714	Chen ZW,Li JS,Jie WQ,et al. Solidification behaviour of Al-7%Si-Mg casting alloys[J]. http://epub.edu.cnki.net/grid2008/brief/detailj.aspx?filename=ZYSY200501007&dbname=CJFQ2005,2012, 2012.
APA	陈忠伟,李金山,介万奇,刘林,&傅恒志.(2012).Solidification behaviour of Al-7%Si-Mg casting alloys.http://epub.edu.cnki.net/grid2008/brief/detailj.aspx?filename=ZYSY200501007&dbname=CJFQ2005.
MLA	陈忠伟,et al."Solidification behaviour of Al-7%Si-Mg casting alloys".http://epub.edu.cnki.net/grid2008/brief/detailj.aspx?filename=ZYSY200501007&dbname=CJFQ2005 (2012).