Effect of Mn content on the microstructure and corrosion resistance of Al-Cu-Mg-Mn alloys
文献类型:期刊论文
作者 | Fu, Junwei1,3; Cui, Kai2 |
刊名 | JOURNAL OF ALLOYS AND COMPOUNDS
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出版日期 | 2022-03-10 |
卷号 | 896页码:10 |
关键词 | Al-Cu-Mg-Mn alloy Aging treatment Corrosion resistance Potentiodynamic polarization Electrochemical impedance spectroscopy |
ISSN号 | 0925-8388 |
DOI | 10.1016/j.jallcom.2021.162903 |
通讯作者 | Fu, Junwei(hitfujw@163.com) |
英文摘要 | Effect of Mn content on the microstructure and corrosion resistance of Al-Cu-Mg-Mn alloys was examined by optical microscope (OM), scanning electron microscope (SEM), tensile tests, pitting corrosion and electrochemical tests. It is shown that increase of Mn content can accelerate the aging process of the Al-CuMg-Mn alloys, which is beneficial to shorten heat treatment time. Polarization curves indicate that the corrosion current density and corrosion rate of Al-4Cu-2Mg-1.2Mn alloy are the lowest compared with Al4Cu-2Mg-0.6Mn and Al-4Cu-2Mg-0.9Mn alloys for both the as-cast and heat-treated conditions. Electrochemical impedance spectroscopy (EIS) tests also demonstrate that Al-4Cu-2Mg-1.2Mn alloy displays the highest resistance. The maximum pitting corrosion depth of the as-aged Al-4Cu-2Mg-1.2Mn and Al-4Cu-2Mg-0.6Mn alloys is about 65 mu m and 110 mu m, respectively. Therefore, Mn addition can improve the mechanical properties and corrosion resistance of the Al-Cu-Mg alloys. (c) 2021 Elsevier B.V. All rights reserved. |
WOS研究方向 | Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering |
语种 | 英语 |
WOS记录号 | WOS:000750037200002 |
出版者 | ELSEVIER SCIENCE SA |
源URL | [http://ir.qdio.ac.cn/handle/337002/178167] ![]() |
专题 | 海洋研究所_海洋腐蚀与防护研究发展中心 |
通讯作者 | Fu, Junwei |
作者单位 | 1.Pilot Natl Lab Marine Sci & Technol Qingdao, Open Studio Marine Corros & Protect, Qingdao 266237, Peoples R China 2.Hefei Univ Technol, Sch Mat Sci & Engn, Hefei 230009, Peoples R China 3.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China |
推荐引用方式 GB/T 7714 | Fu, Junwei,Cui, Kai. Effect of Mn content on the microstructure and corrosion resistance of Al-Cu-Mg-Mn alloys[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2022,896:10. |
APA | Fu, Junwei,&Cui, Kai.(2022).Effect of Mn content on the microstructure and corrosion resistance of Al-Cu-Mg-Mn alloys.JOURNAL OF ALLOYS AND COMPOUNDS,896,10. |
MLA | Fu, Junwei,et al."Effect of Mn content on the microstructure and corrosion resistance of Al-Cu-Mg-Mn alloys".JOURNAL OF ALLOYS AND COMPOUNDS 896(2022):10. |
入库方式: OAI收割
来源:海洋研究所
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