{"title":"通过离子液体电解质中的铝基涂层提高碳钢在室温下的耐腐蚀性能","authors":"Wen Wang, Na Li, Zhiyuan Li, Li-li Jiang, Wei-Li Song, Mingyong Wang, Shuqiang Jiao","doi":"10.1007/s11663-024-03260-6","DOIUrl":null,"url":null,"abstract":"<p>Improving the corrosion resistance of carbon steel is of great importance to realize widely use in various industries. The anti-corrosion coating is a significant protective strategy. Therefore, uniform aluminum coatings (AlO<sub><i>x</i></sub>-CS), electrodepositing in ionic liquid electrolyte at room temperature, was developed to enhance corrosion resistance of carbon steel. The lower part of the electrode has a better distribution uniformity than the upper part of the electrode, and the distribution of a line has the lowest variance. The uniform AlO<sub><i>x</i></sub>-CS coating is the most corrosion resistant due to sealed Al<sub>2</sub>O<sub>3</sub> layers. The corrosion rate of the AlO<sub><i>x</i></sub>-CS coating is 0.4 mm a<sup>−1</sup>. The self-corrosion current density of AlO<sub><i>x</i></sub>-CS coating is 34.4 <i>μ</i>A cm<sup>−2</sup>, nearly 2 times compared with pristine carbon steel. The impedance value with AlO<sub><i>x</i></sub>-CS coating is increased by nearly 300 times compared with pristine carbon steel. The morphology and composition of aluminum-based reinforced coatings had no significant changes in atmospheric exposure, 3.5 pct NaCl salt spray and 3.5 pct NaCl immersion environments. The aluminum-based reinforced coatings can enhance the lifespan of carbon steel materials, while also reducing economic losses and safety hazards.</p>","PeriodicalId":18613,"journal":{"name":"Metallurgical and Materials Transactions B","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Improving the Corrosion Resistance of Carbon Steel Via Aluminum-Based Coating from Ionic Liquid Electrolytes at Room Temperature\",\"authors\":\"Wen Wang, Na Li, Zhiyuan Li, Li-li Jiang, Wei-Li Song, Mingyong Wang, Shuqiang Jiao\",\"doi\":\"10.1007/s11663-024-03260-6\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>Improving the corrosion resistance of carbon steel is of great importance to realize widely use in various industries. The anti-corrosion coating is a significant protective strategy. Therefore, uniform aluminum coatings (AlO<sub><i>x</i></sub>-CS), electrodepositing in ionic liquid electrolyte at room temperature, was developed to enhance corrosion resistance of carbon steel. The lower part of the electrode has a better distribution uniformity than the upper part of the electrode, and the distribution of a line has the lowest variance. The uniform AlO<sub><i>x</i></sub>-CS coating is the most corrosion resistant due to sealed Al<sub>2</sub>O<sub>3</sub> layers. The corrosion rate of the AlO<sub><i>x</i></sub>-CS coating is 0.4 mm a<sup>−1</sup>. The self-corrosion current density of AlO<sub><i>x</i></sub>-CS coating is 34.4 <i>μ</i>A cm<sup>−2</sup>, nearly 2 times compared with pristine carbon steel. The impedance value with AlO<sub><i>x</i></sub>-CS coating is increased by nearly 300 times compared with pristine carbon steel. The morphology and composition of aluminum-based reinforced coatings had no significant changes in atmospheric exposure, 3.5 pct NaCl salt spray and 3.5 pct NaCl immersion environments. The aluminum-based reinforced coatings can enhance the lifespan of carbon steel materials, while also reducing economic losses and safety hazards.</p>\",\"PeriodicalId\":18613,\"journal\":{\"name\":\"Metallurgical and Materials Transactions B\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-09-09\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Metallurgical and Materials Transactions B\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1007/s11663-024-03260-6\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Metallurgical and Materials Transactions B","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1007/s11663-024-03260-6","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Improving the Corrosion Resistance of Carbon Steel Via Aluminum-Based Coating from Ionic Liquid Electrolytes at Room Temperature
Improving the corrosion resistance of carbon steel is of great importance to realize widely use in various industries. The anti-corrosion coating is a significant protective strategy. Therefore, uniform aluminum coatings (AlOx-CS), electrodepositing in ionic liquid electrolyte at room temperature, was developed to enhance corrosion resistance of carbon steel. The lower part of the electrode has a better distribution uniformity than the upper part of the electrode, and the distribution of a line has the lowest variance. The uniform AlOx-CS coating is the most corrosion resistant due to sealed Al2O3 layers. The corrosion rate of the AlOx-CS coating is 0.4 mm a−1. The self-corrosion current density of AlOx-CS coating is 34.4 μA cm−2, nearly 2 times compared with pristine carbon steel. The impedance value with AlOx-CS coating is increased by nearly 300 times compared with pristine carbon steel. The morphology and composition of aluminum-based reinforced coatings had no significant changes in atmospheric exposure, 3.5 pct NaCl salt spray and 3.5 pct NaCl immersion environments. The aluminum-based reinforced coatings can enhance the lifespan of carbon steel materials, while also reducing economic losses and safety hazards.
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