IMR OpenIR
Effects of annealing treatment on microstructure and tensile behavior of the Mg-Zn-Y-Nd alloy
Sheng, L. Y.1; Du, B. N.1; Hu, Z. Y.1,4; Qiao, Y. X.2; Xiao, Z. P.2; Wang, B. J.1; Xu, D. K.3; Zheng, Y. F.1; Xi, T. F.1
Corresponding AuthorSheng, L. Y.(lysheng@yeah.net) ; Du, B. N.(bndu10s@alum.imr.ac.cn)
2020-09-01
Source PublicationJOURNAL OF MAGNESIUM AND ALLOYS
ISSN2213-9567
Volume8Issue:3Pages:601-613
AbstractIn the present study, the Mg-4Zn-0.6Y-0.5Nd alloy was hot extruded and annealed at 200 degrees C, 225 degrees C and 250 degrees C for different time to optimize microstructure and mechanical properties. The results exhibit that the dual-size grain structure and linearly distributed secondary phase are the main feature of the as-extruded Mg-Zn-Y-Nd alloy, which can be described as the elongated grain is surrounded by the fine equiaxed grain. Moreover, the as-extruded alloy shows strong {01 (1) over bar0} fiber texture feature, especially for the large elongated grains. The annealing treatment results in static recrystallization, which increases fine equiaxed grains but decreases large elongated grains. In addition, the equiaxed grains formed during the annealing treatment demonstrate relative random orientations, which weaken the {01 (1) over bar0} fiber texture of the alloy. Moreover, during the annealing at 225 degrees C and 250 degrees C, the extension twins begin to form in the alloy and weaken the {01 (1) over bar0} fiber texture of the alloy further. The annealing treatment has little influence on the linearly distributed secondary phase but promotes the coarsening of small precipitates at 250 degrees C. The annealing treatment could increase the yield and ultimate strength, but the elongation decreases, especially at higher temperature. Such a variation can be ascribed to the evolution of texture, grain structure, twinning and precipitation during the annealing treatment. (c) 2020 Published by Elsevier B.V. on behalf of Chongqing University.
KeywordAnnealing treatment Mg-Zn-Y-Nd alloy Microstructure Tensile property
Funding OrganizationNatural Science Foundation of Guangdong Province, China ; Shenzhen Basic Research Project
DOI10.1016/j.jma.2019.07.011
Indexed BySCI
Language英语
Funding ProjectNatural Science Foundation of Guangdong Province, China[2018A030313950] ; Shenzhen Basic Research Project[JCYJ20170815153143221] ; Shenzhen Basic Research Project[JCYJ20170815153210359] ; Shenzhen Basic Research Project[JCYJ20170306141749970]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000571358200004
PublisherKEAI PUBLISHING LTD
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/140700
Collection中国科学院金属研究所
Corresponding AuthorSheng, L. Y.; Du, B. N.
Affiliation1.Peking Univ, Shenzhen Inst, Shenzhen 518057, Peoples R China
2.Jiangsu Univ Sci & Technol, Zhenjiang 212003, Jiangsu, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
4.Shenzhen Yezhan Elect Co Ltd, Shenzhen 518110, Peoples R China
Recommended Citation
GB/T 7714
Sheng, L. Y.,Du, B. N.,Hu, Z. Y.,et al. Effects of annealing treatment on microstructure and tensile behavior of the Mg-Zn-Y-Nd alloy[J]. JOURNAL OF MAGNESIUM AND ALLOYS,2020,8(3):601-613.
APA Sheng, L. Y..,Du, B. N..,Hu, Z. Y..,Qiao, Y. X..,Xiao, Z. P..,...&Xi, T. F..(2020).Effects of annealing treatment on microstructure and tensile behavior of the Mg-Zn-Y-Nd alloy.JOURNAL OF MAGNESIUM AND ALLOYS,8(3),601-613.
MLA Sheng, L. Y.,et al."Effects of annealing treatment on microstructure and tensile behavior of the Mg-Zn-Y-Nd alloy".JOURNAL OF MAGNESIUM AND ALLOYS 8.3(2020):601-613.
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