Microstructure and composition evolution of magnesium alloy MB15 during semi-solid isothermal heat treatment

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	Microstructure and composition evolution of magnesium alloy MB15 during semi-solid isothermal heat treatment
	Yan, Feng-Yun; Shan, Wei-Wei; Hao, Yuan; Li, Yuan-Dong
刊名	Cailiao Kexue yu Gongyi/Material Science and Technology
	2005-02-01
卷号	13 期号:1 页码:25-29
关键词	Composition Crystallization Electron microscopy Grain boundaries Grain size and shape Heat treatment Metal castings Metal forming Microstructure Optical microscopy Quenching Zinc Zirconium Composition evolution MB15 Non-dendritic structure Semisolid isothermal heat treatment
ISSN号	10050299
英文摘要	Microstructure and composition evolution of MB15 magnesium alloy were researched by means of quenched technology, optical and electron microscopy analysis in order to study the non-dendritic structure of the MB15 alloy for semi-solid metal forming during semi-solid isothermal heat treatment. The results show that grains of MB15 alloy can be turned to small and spheroidal ones with slow growing speed during semi-solid isothermal heat treatment, but its spheriocity is lower than that of AZ91D alloy. With increasing temperature and holding time, Zn diffused severely and led to an increase of the fraction of Zn in grain boundaries, and Zr segregation in the grains diffused gradually. When cooling, peritectic reaction between α-Mg and Zr happened in the Zn-rich area in the grains, while eutectic reaction and eutectoid reaction happened in grain boundaries.
语种	中文
出版者	Harbin Institute of Technology
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/112249]
专题	兰州理工大学
作者单位	Lab. of Adv. Non-Ferrous Mat., Lanzhou Univ. of Technol., Lanzhou 730050, China
推荐引用方式 GB/T 7714	Yan, Feng-Yun,Shan, Wei-Wei,Hao, Yuan,et al. Microstructure and composition evolution of magnesium alloy MB15 during semi-solid isothermal heat treatment[J]. Cailiao Kexue yu Gongyi/Material Science and Technology,2005,13(1):25-29.
APA	Yan, Feng-Yun,Shan, Wei-Wei,Hao, Yuan,&Li, Yuan-Dong.(2005).Microstructure and composition evolution of magnesium alloy MB15 during semi-solid isothermal heat treatment.Cailiao Kexue yu Gongyi/Material Science and Technology,13(1),25-29.
MLA	Yan, Feng-Yun,et al."Microstructure and composition evolution of magnesium alloy MB15 during semi-solid isothermal heat treatment".Cailiao Kexue yu Gongyi/Material Science and Technology 13.1(2005):25-29.