Enhanced corrosion resistance of calcium carbonate coatings on magnesium alloy via simple stearic acid treatment
Magnesium alloy is a promising biodegradable metal material for hard tissue engineering. However, its high corrosion rate limits its application. In our previous study, we biomimetically deposited a calcium carbonate coating on the surface of magnesium alloy using siloxane induction. This calcium ca...
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| Format: | Article |
| Language: | English |
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KeAi Communications Co., Ltd.
2025-04-01
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| Series: | Journal of Magnesium and Alloys |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2213956725000751 |
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| author | Tianxiao Wang Panpan Li Yunting Guo Yingchao Xu Wen Kou Guangyu Li Jianshe Lian |
| author_facet | Tianxiao Wang Panpan Li Yunting Guo Yingchao Xu Wen Kou Guangyu Li Jianshe Lian |
| author_sort | Tianxiao Wang |
| collection | DOAJ |
| description | Magnesium alloy is a promising biodegradable metal material for hard tissue engineering. However, its high corrosion rate limits its application. In our previous study, we biomimetically deposited a calcium carbonate coating on the surface of magnesium alloy using siloxane induction. This calcium carbonate coating demonstrated excellent in vitro biocompatibility and provided partial protection for the magnesium alloy substrate. In this study, we further enhanced the corrosion resistance of the calcium carbonate coating by treating it with stearic acid and its derivative, sodium stearate. Electrochemical corrosion tests revealed that the sodium stearate-treated calcium carbonate coating reduced the corrosion rate by two orders of magnitude. Additionally, in vitro biocompatibility assessments showed that while the biocompatibility of the sodium stearate-treated coating was slightly reduced, it remained acceptable compared to the magnesium substrate. This study builds on our previous work and offers a promising reinforcement strategy for degradable magnesium alloys in medical applications. |
| format | Article |
| id | doaj-art-b7f84a296149467dba8b8ee7732b7d2c |
| institution | OA Journals |
| issn | 2213-9567 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | KeAi Communications Co., Ltd. |
| record_format | Article |
| series | Journal of Magnesium and Alloys |
| spelling | doaj-art-b7f84a296149467dba8b8ee7732b7d2c2025-08-20T02:13:44ZengKeAi Communications Co., Ltd.Journal of Magnesium and Alloys2213-95672025-04-011341602161610.1016/j.jma.2025.02.022Enhanced corrosion resistance of calcium carbonate coatings on magnesium alloy via simple stearic acid treatmentTianxiao Wang0Panpan Li1Yunting Guo2Yingchao Xu3Wen Kou4Guangyu Li5Jianshe Lian6Department of Odontology, Umeå University, Umeå 90737, SwedenKey Lab of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130022, ChinaCollege of Mechanical and Electrical Engineering, Northeast Forestry University, Harbin 150042, ChinaState Key Laboratory of Advanced Vehicle Integration and Control, China FAW Group Co., LTD., Changchun, 130013, ChinaDepartment of Odontology, Umeå University, Umeå 90737, Sweden; Corresponding authors.Key Laboratory of Automobile Materials, Ministry of Education, College of Materials Science and Engineering, Jilin University, Changchun 130025, China; Corresponding authors.Key Laboratory of Automobile Materials, Ministry of Education, College of Materials Science and Engineering, Jilin University, Changchun 130025, ChinaMagnesium alloy is a promising biodegradable metal material for hard tissue engineering. However, its high corrosion rate limits its application. In our previous study, we biomimetically deposited a calcium carbonate coating on the surface of magnesium alloy using siloxane induction. This calcium carbonate coating demonstrated excellent in vitro biocompatibility and provided partial protection for the magnesium alloy substrate. In this study, we further enhanced the corrosion resistance of the calcium carbonate coating by treating it with stearic acid and its derivative, sodium stearate. Electrochemical corrosion tests revealed that the sodium stearate-treated calcium carbonate coating reduced the corrosion rate by two orders of magnitude. Additionally, in vitro biocompatibility assessments showed that while the biocompatibility of the sodium stearate-treated coating was slightly reduced, it remained acceptable compared to the magnesium substrate. This study builds on our previous work and offers a promising reinforcement strategy for degradable magnesium alloys in medical applications.http://www.sciencedirect.com/science/article/pii/S2213956725000751Magnesium alloyCorrosion resistanceCompatibilityCalcium carbonateStearic acid |
| spellingShingle | Tianxiao Wang Panpan Li Yunting Guo Yingchao Xu Wen Kou Guangyu Li Jianshe Lian Enhanced corrosion resistance of calcium carbonate coatings on magnesium alloy via simple stearic acid treatment Journal of Magnesium and Alloys Magnesium alloy Corrosion resistance Compatibility Calcium carbonate Stearic acid |
| title | Enhanced corrosion resistance of calcium carbonate coatings on magnesium alloy via simple stearic acid treatment |
| title_full | Enhanced corrosion resistance of calcium carbonate coatings on magnesium alloy via simple stearic acid treatment |
| title_fullStr | Enhanced corrosion resistance of calcium carbonate coatings on magnesium alloy via simple stearic acid treatment |
| title_full_unstemmed | Enhanced corrosion resistance of calcium carbonate coatings on magnesium alloy via simple stearic acid treatment |
| title_short | Enhanced corrosion resistance of calcium carbonate coatings on magnesium alloy via simple stearic acid treatment |
| title_sort | enhanced corrosion resistance of calcium carbonate coatings on magnesium alloy via simple stearic acid treatment |
| topic | Magnesium alloy Corrosion resistance Compatibility Calcium carbonate Stearic acid |
| url | http://www.sciencedirect.com/science/article/pii/S2213956725000751 |
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