Microstructural evolution and age-hardening behavior of quasicrystal-reinforced Mg–Dy–Zn alloy

doi:10.1007/s12598-018-1089-8

	Microstructural evolution and age-hardening behavior of quasicrystal-reinforced Mg–Dy–Zn alloy
	Bi, Guang-Li 1,2; Han, Yu-Xiang 1,2; Jiang, Jing 1,2; Jiang, Chun-Hong 1,2,3; Li, Yuan-Dong 1,2; Ma, Ying 1,2
刊名	Rare Metals
	2019-08-12
卷号	38 期号:8 页码:739-745
关键词	Age hardening Binary alloys Dysprosium alloys Hardening Magnesium alloys Microstructural evolution Microstructure Precipitation (chemical) Solid solutions Ternary alloys Tungsten alloys Age hardening behaviors Aging treatment As cast alloy Co-precipitates I-phase Solid solution and aging treatments Solid solution treatment Zn alloys
ISSN号	10010521
DOI	10.1007/s12598-018-1089-8
英文摘要	Microstructural evolution and age-hardening behavior of Mg–2Dy–6Zn (at%) alloy during solid-solution and aging treatment were investigated. The microstructure of as-cast alloy is composed of α-Mg, Mg3DyZn6 (I) phase, Mg3Dy2Zn3 (W) phase, Mg(Zn,Dy) phase and a small amount of Mg0.97Zn0.03 phases. After solid-solution treatment (480 °C, 12 h), all the I phases and most W phases dissolve into α-Mg matrix and the remainder W phases transform into Mg(Dy,Zn) phase and MgDy3 phase. During aging treatment, I phase and small amounts of W phases co-precipitate from α-Mg matrix, respectively. The alloy exhibits a peak hardness of HV 77.5 at 200 °C for 8 h. The excellent age-hardening behavior of alloy is mainly attributed to the co-precipitation strengthening of I and W phases. © 2018, The Nonferrous Metals Society of China and Springer-Verlag GmbH Germany, part of Springer Nature.
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
语种	英语
出版者	University of Science and Technology Beijing
WOS记录号	WOS:000473188900004
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/114256]
专题	材料科学与工程学院
作者单位	1.Key Laboratory of Nonferrous Metal Alloys and Processing, Ministry of Education, Lanzhou University of Technology, Lanzhou; 730050, China; 2.State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, Lanzhou University of Technology, Lanzhou; 730050, China; 3.Lanshi Foundry Co., Ltd., Lanzhou; 730050, China
推荐引用方式 GB/T 7714	Bi, Guang-Li,Han, Yu-Xiang,Jiang, Jing,et al. Microstructural evolution and age-hardening behavior of quasicrystal-reinforced Mg–Dy–Zn alloy[J]. Rare Metals,2019,38(8):739-745.
APA	Bi, Guang-Li,Han, Yu-Xiang,Jiang, Jing,Jiang, Chun-Hong,Li, Yuan-Dong,&Ma, Ying.(2019).Microstructural evolution and age-hardening behavior of quasicrystal-reinforced Mg–Dy–Zn alloy.Rare Metals,38(8),739-745.
MLA	Bi, Guang-Li,et al."Microstructural evolution and age-hardening behavior of quasicrystal-reinforced Mg–Dy–Zn alloy".Rare Metals 38.8(2019):739-745.