| Mechanical properties and corrosion resistance of the fine grain structure of Al-Zn-Mg-Sc alloys fabricated by friction stir processing and post-heat treatment | |
| Hou, Y. F.1; Liu, C. Y.1; Zhang, B.2; Wei, L. L.1; Dai, H. T.1; Ma, Z. Y.3 | |
| Corresponding Author | Liu, C. Y.(lcy261@glut.edu.cn) ; Zhang, B.(zhangbing@ysu.edu.cn) |
| 2020-05-21 | |
| Source Publication | MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
 |
| ISSN | 0921-5093 |
| Volume | 785Pages:11 |
| Abstract | In this study, Al-Zn-Mg-Sc alloys with different microstructures were fabricated by friction stir processing (FSP) and different post-heat treatments. The structure with fine equiaxed grains and a high density of eta phases were obtained in the alloys after FSP. Post solid-solution treatment (ST) and artificial aging (AA) led to the eta phases dissolute and eta' phases precipitate in the FSP Al-Zn-Mg-Sc alloys, respectively. The fine grain structure in the high rotation rate FSP alloy can be well retained during heat treatment owing to the grain boundary (GB) pinning effect of nanosized Al-3(Sc,Zr) phases. However, the pining force caused by the Al-3(Sc,Zr) phases did not inhibit the coarsening of the grains in the low rotation rate FSP sample during ST. After AA alone or AA and subsequent ST, the FSP Al-Zn-Mg-Sc alloys exhibited good strength, high ductility, and well corrosion resistance owing to the high densities of their eta' phases and fine grains. |
| Keyword | Al alloy Friction stir processing Mechanical properties Corrosion resistance |
| Funding Organization | National Natural Science Foundation of China ; Guangxi Bagui Teams for Innovation and Research |
| DOI | 10.1016/j.msea.2020.139393 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | National Natural Science Foundation of China[51601045] ; Guangxi Bagui Teams for Innovation and Research |
| WOS Research Area | Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering |
| WOS Subject | Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
| WOS ID | WOS:000536129700029 |
| Publisher | ELSEVIER SCIENCE SA |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/138914 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Liu, C. Y.; Zhang, B. |
| Affiliation | 1.Guilin Univ Technol, Minist Educ, Key Lab New Proc Technol Nonferrous Met & Mat, Guilin 541004, Peoples R China 2.Yanshan Univ, State Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, Hebei, Peoples R China 3.Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China |
| Recommended Citation GB/T 7714 | Hou, Y. F.,Liu, C. Y.,Zhang, B.,et al. Mechanical properties and corrosion resistance of the fine grain structure of Al-Zn-Mg-Sc alloys fabricated by friction stir processing and post-heat treatment[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2020,785:11. |
| APA | Hou, Y. F.,Liu, C. Y.,Zhang, B.,Wei, L. L.,Dai, H. T.,&Ma, Z. Y..(2020).Mechanical properties and corrosion resistance of the fine grain structure of Al-Zn-Mg-Sc alloys fabricated by friction stir processing and post-heat treatment.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,785,11. |
| MLA | Hou, Y. F.,et al."Mechanical properties and corrosion resistance of the fine grain structure of Al-Zn-Mg-Sc alloys fabricated by friction stir processing and post-heat treatment".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 785(2020):11. |
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