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Effect of Sn addition on microstructure, hardness and corrosion behavior of CoCrFeNiSnx high entropy alloys in chloride environment
Chang, Weiwei1,2,3; Wang, Xiyang1,2; Qian, Hongchang1,2,3; Chen, Xudong4; Lou, Yuntian1,2,3; Zhou, Min5; Guo, Dawei5,6; Kwok, Chi Tat5; Tam, Lap Mou5,6; Zhang, Dawei1,2,3
2024-02-01
Source PublicationCorrosion Science
ISSN0010-938X
Volume227Pages:111808
Abstract

The microstructure, hardness and corrosion behavior of CoCrFeNiSn (x = 0, 0.1, 0.5 and 1.0) HEAs were investigated in this work. The increase of the Sn addition resulted in the improvement of hardness (reached 424.9 HV) which attributed to the increase of the NiSn phase with higher hardness. Adding Sn with molar ratio of 0.1 promoted the pitting initiation due to the potential difference between the two phases. CoCrFeNiSn and CoCrFeNiSn exhibited enhanced corrosion resistance compared to the alloy without Sn, which ascribed to the increase in cathode area (NiSn phase) leading to a decrease in pitting sensitivity of FCC phase.

KeywordCorrosion Behavior High Entropy Alloys Passive Film Skpfm
DOI10.1016/j.corsci.2023.111808
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:001164813400001
PublisherPERGAMON-ELSEVIER SCIENCE LTDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
Scopus ID2-s2.0-85181161648
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Document TypeJournal article
CollectionDEPARTMENT OF ELECTROMECHANICAL ENGINEERING
Corresponding AuthorQian, Hongchang
Affiliation1.Beijing Advanced Innovation Center for Materials Genome Engineering, Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing, 100083, China
2.National Materials Corrosion and Protection Data Center, University of Science and Technology Beijing, Beijing, 100083, China
3.BRI Southeast Asia Network for Corrosion and Protection (MOE), Shunde Graduate School of University of Science and Technology Beijing, Foshan, 528399, China
4.School of Materials Science and Hydrogen Energy, Foshan University, Foshan, 528000, China
5.Department of Electromechanical Engineering, University of Macau, 999078, Macao
6.Institute for the Development and Quality Macau, 999078, Macao
Recommended Citation
GB/T 7714
Chang, Weiwei,Wang, Xiyang,Qian, Hongchang,et al. Effect of Sn addition on microstructure, hardness and corrosion behavior of CoCrFeNiSnx high entropy alloys in chloride environment[J]. Corrosion Science, 2024, 227, 111808.
APA Chang, Weiwei., Wang, Xiyang., Qian, Hongchang., Chen, Xudong., Lou, Yuntian., Zhou, Min., Guo, Dawei., Kwok, Chi Tat., Tam, Lap Mou., & Zhang, Dawei (2024). Effect of Sn addition on microstructure, hardness and corrosion behavior of CoCrFeNiSnx high entropy alloys in chloride environment. Corrosion Science, 227, 111808.
MLA Chang, Weiwei,et al."Effect of Sn addition on microstructure, hardness and corrosion behavior of CoCrFeNiSnx high entropy alloys in chloride environment".Corrosion Science 227(2024):111808.
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