| Atomic-scale quasi in-situ TEM observation on the redistribution of alloying element Cu in a B4C/Al composite at the initial stage of corrosion | |
| Zhou, Y. T.1; Zan, Y. N.1; Wang, Q. Z.2; Xiao, B. L.1; Ma, Z. Y.1; Ma, X. L.1 | |
| Corresponding Author | Zhou, Y. T.(ytzhou@imr.ac.cn) ; Ma, Z. Y.(zyma@imr.ac.cn) |
| 2020-09-01 | |
| Source Publication | CORROSION SCIENCE
 |
| ISSN | 0010-938X |
| Volume | 174Pages:13 |
| Abstract | The present study reports an atomic level quasi in-situ TEM observation of the redistribution of alloying element Cu in the corrosion process of a B4C-reinforced Al-Mg-Si-Cu composite. Cu atoms were found to combine with Mg and form a thin layer at the interfaces between the aluminum matrix and nano-reinforcements (i.e. Mg(Al)B-2 and Al3BC). Dealloying of the Cu/Mg-rich layer was revealed. The following decomposition of Mg(Al)B-2 resulted in narrow corrosion trenches forming around Mg(Al)B-2 and then the localized pitting of the matrix. In addition, the liberated Cu ions were then redeposited and formed noble Cu nano-particles upon cathodic Mg(Al)B-2 and B4C particles. |
| Keyword | Metal matrix composites Aluminium TEM De-alloying Pitting corrosion Segregation |
| Funding Organization | National Natural Science Foundation of China (NSFC) ; NSF of Liaoning Province ; research fund of SYNL |
| DOI | 10.1016/j.corsci.2020.108808 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | National Natural Science Foundation of China (NSFC)[U1508216] ; NSF of Liaoning Province[20180551101] ; research fund of SYNL[L2019F15] |
| WOS Research Area | Materials Science ; Metallurgy & Metallurgical Engineering |
| WOS Subject | Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
| WOS ID | WOS:000569362400005 |
| Publisher | PERGAMON-ELSEVIER SCIENCE LTD |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/140550 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Zhou, Y. T.; Ma, Z. Y. |
| Affiliation | 1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China 2.Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, 72 Wenhua Rd, Shenyang 110016, Peoples R China |
| Recommended Citation GB/T 7714 | Zhou, Y. T.,Zan, Y. N.,Wang, Q. Z.,et al. Atomic-scale quasi in-situ TEM observation on the redistribution of alloying element Cu in a B4C/Al composite at the initial stage of corrosion[J]. CORROSION SCIENCE,2020,174:13. |
| APA | Zhou, Y. T.,Zan, Y. N.,Wang, Q. Z.,Xiao, B. L.,Ma, Z. Y.,&Ma, X. L..(2020).Atomic-scale quasi in-situ TEM observation on the redistribution of alloying element Cu in a B4C/Al composite at the initial stage of corrosion.CORROSION SCIENCE,174,13. |
| MLA | Zhou, Y. T.,et al."Atomic-scale quasi in-situ TEM observation on the redistribution of alloying element Cu in a B4C/Al composite at the initial stage of corrosion".CORROSION SCIENCE 174(2020):13. |
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