Micro-scale corrosion behaviours of the Fe-based amorphous alloy coating in alkaline solutions in three-dimensions
Despite extensive research on the corrosion of the Fe-based amorphous alloy coatings (AACs) has been carried out, yet, regarding the corrosion morphology of the Fe-based AACs in NaOH solution, the current findings only indicate the existence of localized corrosion, without clarifying the occurrence...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-03-01
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| Series: | Journal of Materials Research and Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785425002224 |
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| author | Yiliyaer Hairule Dandan Liang Tiantian Chen Yongming Zhang Xianshun Wei Qing Chen Wen Li Bo Chen |
| author_facet | Yiliyaer Hairule Dandan Liang Tiantian Chen Yongming Zhang Xianshun Wei Qing Chen Wen Li Bo Chen |
| author_sort | Yiliyaer Hairule |
| collection | DOAJ |
| description | Despite extensive research on the corrosion of the Fe-based amorphous alloy coatings (AACs) has been carried out, yet, regarding the corrosion morphology of the Fe-based AACs in NaOH solution, the current findings only indicate the existence of localized corrosion, without clarifying the occurrence and mechanism of pitting corrosion. This work investigated the corrosion behaviours of the Fe-based AACs in NaOH solutions through three-dimensional (3D) structure and morphology analysis cooperating with electrochemical testing. The work widens the pitting corrosion mechanism of the AACs. The results show that the Fe-based AACs in NaOH solution have an obvious secondary passivation phenomenon, and serious pitting corrosion occurs. As the concentrations of the NaOH solutions increase, the corrosion resistance of AACs gradually decreases. Additionally, the corrosion rates of the AACs are calculated directly based on the (pore) volume changes before and after corrosion treatments through X-ray micro-computed tomography (X-ray micro-CT) measurements, which provides a new method for the corrosion rate calculation. |
| format | Article |
| id | doaj-art-e5221e9c199a498faa93cbc83637e9fa |
| institution | Kabale University |
| issn | 2238-7854 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj-art-e5221e9c199a498faa93cbc83637e9fa2025-02-06T05:11:55ZengElsevierJournal of Materials Research and Technology2238-78542025-03-013529842993Micro-scale corrosion behaviours of the Fe-based amorphous alloy coating in alkaline solutions in three-dimensionsYiliyaer Hairule0Dandan Liang1Tiantian Chen2Yongming Zhang3Xianshun Wei4Qing Chen5Wen Li6Bo Chen7Key Laboratory of Advanced Civil Engineering Materials (Ministry of Education), School of Materials Science and Engineering, Tongji University, Shanghai, 201804, ChinaShanghai Engineering Research Center of Physical Vapor Deposition (PVD) Superhard Coating and Equipment, Shanghai Institute of Technology, Shanghai, 201418, ChinaKey Laboratory of Advanced Civil Engineering Materials (Ministry of Education), School of Materials Science and Engineering, Tongji University, Shanghai, 201804, ChinaKey Laboratory of Advanced Civil Engineering Materials (Ministry of Education), School of Materials Science and Engineering, Tongji University, Shanghai, 201804, ChinaKey Laboratory of Advanced Civil Engineering Materials (Ministry of Education), School of Materials Science and Engineering, Tongji University, Shanghai, 201804, ChinaKey Laboratory of Advanced Civil Engineering Materials (Ministry of Education), School of Materials Science and Engineering, Tongji University, Shanghai, 201804, China; Corresponding author.Key Laboratory of Advanced Civil Engineering Materials (Ministry of Education), School of Materials Science and Engineering, Tongji University, Shanghai, 201804, China; Corresponding author.Key Laboratory of Advanced Civil Engineering Materials (Ministry of Education), School of Materials Science and Engineering, Tongji University, Shanghai, 201804, China; Corresponding author.Despite extensive research on the corrosion of the Fe-based amorphous alloy coatings (AACs) has been carried out, yet, regarding the corrosion morphology of the Fe-based AACs in NaOH solution, the current findings only indicate the existence of localized corrosion, without clarifying the occurrence and mechanism of pitting corrosion. This work investigated the corrosion behaviours of the Fe-based AACs in NaOH solutions through three-dimensional (3D) structure and morphology analysis cooperating with electrochemical testing. The work widens the pitting corrosion mechanism of the AACs. The results show that the Fe-based AACs in NaOH solution have an obvious secondary passivation phenomenon, and serious pitting corrosion occurs. As the concentrations of the NaOH solutions increase, the corrosion resistance of AACs gradually decreases. Additionally, the corrosion rates of the AACs are calculated directly based on the (pore) volume changes before and after corrosion treatments through X-ray micro-computed tomography (X-ray micro-CT) measurements, which provides a new method for the corrosion rate calculation.http://www.sciencedirect.com/science/article/pii/S2238785425002224Fe-based amorphous alloy coatingX-ray micro-computed tomography (X-ray micro-CT)Three-dimensional analysisPitting corrosion |
| spellingShingle | Yiliyaer Hairule Dandan Liang Tiantian Chen Yongming Zhang Xianshun Wei Qing Chen Wen Li Bo Chen Micro-scale corrosion behaviours of the Fe-based amorphous alloy coating in alkaline solutions in three-dimensions Journal of Materials Research and Technology Fe-based amorphous alloy coating X-ray micro-computed tomography (X-ray micro-CT) Three-dimensional analysis Pitting corrosion |
| title | Micro-scale corrosion behaviours of the Fe-based amorphous alloy coating in alkaline solutions in three-dimensions |
| title_full | Micro-scale corrosion behaviours of the Fe-based amorphous alloy coating in alkaline solutions in three-dimensions |
| title_fullStr | Micro-scale corrosion behaviours of the Fe-based amorphous alloy coating in alkaline solutions in three-dimensions |
| title_full_unstemmed | Micro-scale corrosion behaviours of the Fe-based amorphous alloy coating in alkaline solutions in three-dimensions |
| title_short | Micro-scale corrosion behaviours of the Fe-based amorphous alloy coating in alkaline solutions in three-dimensions |
| title_sort | micro scale corrosion behaviours of the fe based amorphous alloy coating in alkaline solutions in three dimensions |
| topic | Fe-based amorphous alloy coating X-ray micro-computed tomography (X-ray micro-CT) Three-dimensional analysis Pitting corrosion |
| url | http://www.sciencedirect.com/science/article/pii/S2238785425002224 |
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