Effects of pressure on the solidification microstructure of Mg65Cu25Y10 alloy

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	Effects of pressure on the solidification microstructure of Mg65Cu25Y10 alloy
	J. Zhang; K. Q. Qiu; A. M. Wang; H. F. Zhang; M. X. Quan; Z. Q. Hu
	2004
发表期刊	Journal of Materials Science & Technology
ISSN	1005-0302
卷号	20 期号:1 页码:106-108
摘要	The Mg65Cu25Y10 melts were quenched at a temperature of 973 K under various pressures in the range of 2similar to5 GPa and ambient pressure. The microstructure of the solidified specimens has been investigated by X-ray diffraction, transmission electron microscope and electron probe microanalysis. Experimental results show that the pressure has a great influence on the solidification microstructure of the Mg65Cu25Y10. At ambient pressure, the solidification products are Mg-2(Cu,Y) and a very small amount of Y2O3 inclusion. As the pressure is above 2 GPa, a new Cu-2(Y,Mg) phase appears, while Y2O3 is not observed at the pressure of 3, 4 and 5 GPa. When the pressure increases from 2 GPa to 5 GPa, the grain sizes of Mg-2(Cu,Y) and Cu-2(Y,Mg) decrease from 125, 96 nm to 80, 7 nm, respectively. The mechanisms for the effects of the pressure on the phase evolution and microstructure during solidification process of Mg65Cu25Y10 alloy have been discussed.
部门归属	chinese acad sci, met res inst, shenyang natl lab mat sci, shenyang 110016, peoples r china.;quan, mx (reprint author), chinese acad sci, met res inst, shenyang natl lab mat sci, shenyang 110016, peoples r china;mxquan@imr.ac.cn
关键词	Mg65cu25y10 Alloy Solidification Glass Formation Alility Metallic-glass Crystallization Nanocrystallization Dependence
URL	查看原文
WOS记录号	WOS:000220573700032
引用统计	被引频次：7[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/35709
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	J. Zhang,K. Q. Qiu,A. M. Wang,et al. Effects of pressure on the solidification microstructure of Mg65Cu25Y10 alloy[J]. Journal of Materials Science & Technology,2004,20(1):106-108.
APA	J. Zhang,K. Q. Qiu,A. M. Wang,H. F. Zhang,M. X. Quan,&Z. Q. Hu.(2004).Effects of pressure on the solidification microstructure of Mg65Cu25Y10 alloy.Journal of Materials Science & Technology,20(1),106-108.
MLA	J. Zhang,et al."Effects of pressure on the solidification microstructure of Mg65Cu25Y10 alloy".Journal of Materials Science & Technology 20.1(2004):106-108.