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Corrosion Behavior of CrFeCoNiV (x = 0.5 and 1) High-Entropy Alloys in 1M Sulfuric Acid and 1M Hydrochloric Acid Solutions.

作者信息

Tsau Chun-Huei, Chen Jo-Yi, Chien Tien-Yu

机构信息

Institute of Nanomaterials, Chinese Culture University, Taipei 111, Taiwan.

出版信息

Materials (Basel). 2022 May 19;15(10):3639. doi: 10.3390/ma15103639.

DOI:10.3390/ma15103639
PMID:35629664
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9145916/
Abstract

CrFeCoNiV high-entropy alloys were prepared by arc-melting, and the microstructures and corrosion properties of these alloys were studied. The CrFeCoNiV alloy had a granular structure; the matrix was a face-centered cubic (FCC) structure, and the second phase was a σ phase with a tetragonal structure. The CrFeCoNiV alloy had a dendritic structure; the dendrites in this alloy showed an FCC phase, and the interdendrities had a eutectic structure of FCC and σ phases. Therefore, CrFeCoNiV was much harder than the CrFeCoNiV alloy due to the dendritic structures. The potentiodynamic polarization test and electrochemical impedance spectroscopy were used to evaluate the corrosion behavior of the CrFeCoNiV high-entropy alloys in deaerated 1M sulfuric acid and 1M hydrochloric acid solutions. The results indicated that the CrFeCoNiV alloy had a better corrosion resistance because of the granular structure.

摘要
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0d7b/9145916/d75aba037578/materials-15-03639-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0d7b/9145916/043c714505c6/materials-15-03639-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0d7b/9145916/873539dd6b67/materials-15-03639-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0d7b/9145916/e6eca34699c5/materials-15-03639-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0d7b/9145916/dbbe7822477c/materials-15-03639-g004a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0d7b/9145916/0802fc54e0a8/materials-15-03639-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0d7b/9145916/344a18d94c65/materials-15-03639-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0d7b/9145916/101e445ce13d/materials-15-03639-g007a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0d7b/9145916/d75aba037578/materials-15-03639-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0d7b/9145916/043c714505c6/materials-15-03639-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0d7b/9145916/873539dd6b67/materials-15-03639-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0d7b/9145916/e6eca34699c5/materials-15-03639-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0d7b/9145916/dbbe7822477c/materials-15-03639-g004a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0d7b/9145916/0802fc54e0a8/materials-15-03639-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0d7b/9145916/344a18d94c65/materials-15-03639-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0d7b/9145916/101e445ce13d/materials-15-03639-g007a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0d7b/9145916/d75aba037578/materials-15-03639-g008.jpg

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引用本文的文献

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Materials (Basel). 2023 Jul 8;16(14):4900. doi: 10.3390/ma16144900.

本文引用的文献

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New Advances in High-Entropy Alloys.高熵合金的新进展
Entropy (Basel). 2020 Oct 15;22(10):1158. doi: 10.3390/e22101158.
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Mechanical Properties and Corrosion Resistance of NbTiAlSiZrN High-Entropy Films Prepared by RF Magnetron Sputtering.射频磁控溅射制备的NbTiAlSiZrN高熵薄膜的力学性能与耐蚀性
Entropy (Basel). 2019 Apr 13;21(4):396. doi: 10.3390/e21040396.
3
Effect of Molybdenum Additives on Corrosion Behavior of (CoCrFeNi)Mo High-Entropy Alloys.钼添加剂对(CoCrFeNi)Mo高熵合金腐蚀行为的影响
Entropy (Basel). 2018 Nov 28;20(12):908. doi: 10.3390/e20120908.
4
The Effects of Mo and Nb on the Microstructures and Properties of CrFeCoNi(Nb,Mo) Alloys.
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5
The Effect of Nb-Content on the Microstructures and Corrosion Properties of CrFeCoNiNb High-Entropy Alloys.铌含量对CrFeCoNiNb高熵合金微观结构及腐蚀性能的影响
Materials (Basel). 2019 Nov 11;12(22):3716. doi: 10.3390/ma12223716.