中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
首页 机构 成果 学者
  
  1. CAS IR Grid
  2. 金属研究所
  3. 中国科学院金属研究所
Investigation on microstructure and mechanical properties of hot-rolled AZ31 Mg alloy with various cryogenic treatments

文献类型：期刊论文

作者Che, Bo6; Lu, Liwei6; Zhang, Jialong6; Teng, Jie5; Chen, Liang4; Xu, Yong3; Wang, Tao2; Huang, Liang1; Wu, Zhiqiang6
刊名JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
出版日期2022-07-01
卷号19页码:4557-4570
关键词AZ31 Mg alloy Hot rolling Cryogenic treatment Microstructure Mechanical properties
ISSN号2238-7854
DOI10.1016/j.jmrt.2022.07.019
通讯作者Lu, Liwei(cqulqyz@126.com) ; Huang, Liang(huangliang@hust.edu.cn) ; Wu, Zhiqiang(wuzq2009@163.com)
英文摘要AZ31 Mg alloy sheet, prepared by a novel process combining hot rolling and various cryogenic treatments, has been investigated on its microstructure and mechanical properties. The results show that twins and the Al8Mn5 phase were introduced in the sample with rapid cooling and rapid heating and slow heating and slow cooling, which can significantly impede the movement of dislocations, while twins also can effectively coordinate deformation. Compared to the conventional hot rolling sample, the average grain size and texture strength of the cryogenic treatment samples were refined and increased by similar to 24% and similar to 50%, respectively. The dislocation density of the coarse-grained region in the sample with slow heating and slow cooling is low, and the prismatic and pyramid slips were activated, which can improve the ductility of the alloy. In comparison to conventional hot rolling, the ultimate tensile strength and elongation of AZ31 Mg alloy after rapid cooling and rapid heating were increased by similar to 15% and similar to 37%, respectively, while the elongation after slow heating and slow cooling increased by similar to 71%. The improvement of the mechanical properties of Mg alloy with cryogenic treatment is attributed to the synergistic effect of the refined grain, twins, residual dislocations, precipitates, texture and non-basal slip. (C) 2022 The Authors. Published by Elsevier B.V.
资助项目National Natural Science Foundation of China[52174362] ; National Natural Science Foundation of China[51975207] ; National Natural Science Foundation of China[51704112] ; Hunan Provincial Natural Science Foundation of China[2021JJ30257] ; Hunan Provincial Natural Science Foundation of China[2020JJ5181]
WOS研究方向Materials Science ; Metallurgy & Metallurgical Engineering
语种英语
WOS记录号WOS:000832918000004
出版者ELSEVIER
资助机构National Natural Science Foundation of China ; Hunan Provincial Natural Science Foundation of China
源URL[http://ir.imr.ac.cn/handle/321006/174662]  
专题金属研究所_中国科学院金属研究所
通讯作者Lu, Liwei; Huang, Liang; Wu, Zhiqiang
作者单位1.Huazhong Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, Wuhan 430074, Peoples R China
2.Taiyuan Univ Technol, Coll Mech & Vehicle Engn, Taiyuan 030024, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Shi changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China
4.Shandong Univ, Key Lab Liquid Solid Struct Evolut & Proc Mat, Minist Educ, Jinan 250061, Peoples R China
5.Hunan Univ, Coll Mat Sci & Engn, Changsha 410082, Peoples R China
6.Hunan Univ Sci & Technol, Sch Mat Sci & Engn, Xiangtan 411201, Peoples R China
推荐引用方式
GB/T 7714		 Che, Bo,Lu, Liwei,Zhang, Jialong,et al. Investigation on microstructure and mechanical properties of hot-rolled AZ31 Mg alloy with various cryogenic treatments[J]. JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T,2022,19:4557-4570.
APA Che, Bo.,Lu, Liwei.,Zhang, Jialong.,Teng, Jie.,Chen, Liang.,...&Wu, Zhiqiang.(2022).Investigation on microstructure and mechanical properties of hot-rolled AZ31 Mg alloy with various cryogenic treatments.JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T,19,4557-4570.
MLA Che, Bo,et al."Investigation on microstructure and mechanical properties of hot-rolled AZ31 Mg alloy with various cryogenic treatments".JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T 19(2022):4557-4570.

入库方式： OAI收割

来源：金属研究所

浏览0
下载0
收藏0
其他版本

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。