| Effect of Natural Aging on Precipitation Strengthening Behaviors in Al-Mg-Si Alloy | |
| Cui, Zhenjie1,2,3; Jiang, Haichang1,3,4; Zhang, Duo1,3; Song, Yuanyuan1,3; Yan, Desheng1,3; Rong, Lijian1,3 | |
| 通讯作者 | Jiang, Haichang(hcjiang@imr.ac.cn) ; Rong, Lijian(ljrong@imr.ac.cn) |
| 2022-03-01 | |
| 发表期刊 | METALS
 |
| 卷号 | 12期号:3页码:10 |
| 摘要 | Natural aging (NA) is unavoidable in Al-Mg-Si alloys during actual manufacturing. Revealing the reasons for the alloy strength reduction caused by the negative NA effect is of great significance to research and practice. In this work, atom probe tomography (APT) and transmission electron microscopy (TEM) were employed simultaneously to study the effect of NA on precipitates and their contributions to the strength of Al-Mg-Si alloys. It was found that the numerous clusters formed after significant NA are unstable and will dissolve into the matrix during initial AA. However, a few stable clusters are undissolved and will result in abnormal growth of beta '', which then transforms to beta '. Due to the decrease of nucleation sites resulting from the abnormal growth of precipitates, more solute atoms remain in the matrix. The calculation results show that the strengthening of the solid solution atoms is much smaller than that of large-sized beta ', which is much less than that of fine beta ''. Therefore, lengthy NA causes a significant reduction in AA strength of the Al-Mg-Si alloy. |
| 关键词 | Al-Mg-Si alloy natural aging clusters precipitates atom probe tomography |
| 资助者 | National Key R&D Program of China ; Strategic Priority Program of the Chinese Academy of Sciences ; Shenyang Key R&D and technology transfer program |
| DOI | 10.3390/met12030470 |
| 收录类别 | SCI |
| 语种 | 英语 |
| 资助项目 | National Key R&D Program of China[2016YFB1200602] ; Strategic Priority Program of the Chinese Academy of Sciences[XDB22020000] ; Shenyang Key R&D and technology transfer program[Z19-1-004] |
| WOS研究方向 | Materials Science ; Metallurgy & Metallurgical Engineering |
| WOS类目 | Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
| WOS记录号 | WOS:000774092800001 |
| 出版者 | MDPI |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.imr.ac.cn/handle/321006/173060 |
| 专题 | 中国科学院金属研究所 |
| 通讯作者 | Jiang, Haichang; Rong, Lijian |
| 作者单位 | 1.Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China 3.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang 110016, Peoples R China 4.Shandong Key Lab Adv Aluminum Mat & Technol, Binzhou 256606, Peoples R China |
| 推荐引用方式 GB/T 7714 | Cui, Zhenjie,Jiang, Haichang,Zhang, Duo,et al. Effect of Natural Aging on Precipitation Strengthening Behaviors in Al-Mg-Si Alloy[J]. METALS,2022,12(3):10. |
| APA | Cui, Zhenjie,Jiang, Haichang,Zhang, Duo,Song, Yuanyuan,Yan, Desheng,&Rong, Lijian.(2022).Effect of Natural Aging on Precipitation Strengthening Behaviors in Al-Mg-Si Alloy.METALS,12(3),10. |
| MLA | Cui, Zhenjie,et al."Effect of Natural Aging on Precipitation Strengthening Behaviors in Al-Mg-Si Alloy".METALS 12.3(2022):10. |
| 条目包含的文件 | 条目无相关文件。 | |||||
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