| Texture modification and mechanical properties of AZ31 magnesium alloy sheet subjected to equal channel angular bending | |
| Chen, Shuai-Feng1,2,3; Song, Hong-Wu1; Cheng, Ming1; Zheng, Ce1,4; Zhang, Shi-Hong1; Lee, Myoung-Gyu2,3 | |
| Corresponding Author | Zhang, Shi-Hong(shzhang@imr.ac.cn) ; Lee, Myoung-Gyu(myounglee@snu.ac.kr) |
| 2021-03-20 | |
| Source Publication | JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
 |
| ISSN | 1005-0302 |
| Volume | 67Pages:211-225 |
| Abstract | Analysis of the recently proposed equal channel angular bending (ECAB) process is provided on thin hot-rolled AZ31 magnesium alloy sheets. In particular, effects of deformation temperature and strain path on the texture evolution and mechanical properties are systematically investigated under single pass ECAB at various temperatures and multi-pass ECAB process that involves changes in strain paths. It is found that simultaneous activation of multiple twinning types is successfully introduced during ECAB, which results in obvious tilted component of basal texture. Attributed to the domination of extension twins, weaker basal textures are detected after both single pass ECAB at 150 degrees C and three cross passes ECAB at 200 degrees C. After annealing, the basal texture is further weakened via twin-related recrystallization and the annealed microstructure is featured with mixture of basal and non-basal orientated grains. Additionally, the effect of grain orientation on the mode of plastic deformation and the roles of grain orientation and grain boundary on the local strain accommodation are coherently studied. This study reveals that over 60 % increase of uniform elongation with marginal reduction of tensile strength less than 5 % can be achieved for single pass ECAB at 150 degrees C and three cross passes ECAB at 200 degrees C, which is the result of larger fraction of grains favored with extension twinning and better local strain accommodation. (C) 2021 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology. |
| Keyword | Equal channel angular bending Magnesium alloy Thin sheet Texture Grain boundary Mechanical properties |
| Funding Organization | KIAT ; NRF of Korea (ERC) |
| DOI | 10.1016/j.jmst.2020.06.034 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | KIAT[N0002598] ; NRF of Korea (ERC)[2019R1A5A6099595] |
| WOS Research Area | Materials Science ; Metallurgy & Metallurgical Engineering |
| WOS Subject | Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
| WOS ID | WOS:000611164200020 |
| Publisher | JOURNAL MATER SCI TECHNOL |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/159181 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Zhang, Shi-Hong; Lee, Myoung-Gyu |
| Affiliation | 1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China 2.Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 08826, South Korea 3.Seoul Natl Univ, Res Inst Adv Mat RIAM, Seoul 08826, South Korea 4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| Recommended Citation GB/T 7714 | Chen, Shuai-Feng,Song, Hong-Wu,Cheng, Ming,et al. Texture modification and mechanical properties of AZ31 magnesium alloy sheet subjected to equal channel angular bending[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2021,67:211-225. |
| APA | Chen, Shuai-Feng,Song, Hong-Wu,Cheng, Ming,Zheng, Ce,Zhang, Shi-Hong,&Lee, Myoung-Gyu.(2021).Texture modification and mechanical properties of AZ31 magnesium alloy sheet subjected to equal channel angular bending.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,67,211-225. |
| MLA | Chen, Shuai-Feng,et al."Texture modification and mechanical properties of AZ31 magnesium alloy sheet subjected to equal channel angular bending".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 67(2021):211-225. |
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