| 甲苯稀释对AlCl3-EMIC型离子液体电镀铝工艺氢脆性的影响 |
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| 引用本文： | 张骐,潘峤,詹中伟,孙志华,汤智慧,宇波.甲苯稀释对AlCl3-EMIC型离子液体电镀铝工艺氢脆性的影响[J].电镀与涂饰,2020(8):469-473. |
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| 作者姓名： | 张骐 潘峤 詹中伟 孙志华 汤智慧 宇波 |
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| 作者单位： | 北京航空材料研究院航空材料先进腐蚀与防护航空科技重点实验室 |
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| 摘 要： | 采用甲苯作为AlCl3-EMIC(1-乙基-3-甲基咪唑)型离子液体的稀释剂,其中纯态离子液体由物质的量比为2∶1的无水AlCl3和EMIC组成。对比了纯态和按稀释剂与离子液体体积比为1∶1稀释后电镀铝的外观、微观形貌和氢脆性。结果表明,采用甲苯稀释离子液体虽然可以降低镀液的黏度,改善镀层外观和微观形貌,但对离子液体电镀铝工艺的氢脆性有负面影响。
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| 关 键 词： | 电镀铝 1-乙基-3-甲基咪唑 离子液体 甲苯 稀释 氢脆 |
Effect of dilution of AlCl3-EMIC ionic liquid with methylbenzene on hydrogen embrittlement of aluminum coating electroplated therefrom |
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| ZHANG Qi,PAN Qiao,ZHAN Zhongwei,SUN Zhihua,TANG Zhihui,YU Bo.Effect of dilution of AlCl3-EMIC ionic liquid with methylbenzene on hydrogen embrittlement of aluminum coating electroplated therefrom[J].Electroplating & Finishing,2020(8):469-473. |
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| Authors: | ZHANG Qi PAN Qiao ZHAN Zhongwei SUN Zhihua TANG Zhihui YU Bo |
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| Affiliation: | (Aviation Key Laboratory of Science and Technology on Advanced Corrosion and Protection for Aviation Materials,Beijing Institute of Aeronautical Materials,Surface Engineering Institution,Beijing 100095,China) |
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| Abstract: | Methylbenzene was used as a diluent for the ionic liquid comprising AlCl3 and EMIC(1-ethyl-3-methylimidazolium chloride)at a molar ratio of 2:1.The appearance,micromorphology,and hydrogen embrittlement of the aluminum coating electroplated from the AlCl3-EMIC ionic liquid before and after being diluted by equivolumetric methylbenzene were compared.It was found that the dilution with methylbenzene reduced the viscosity of the AlCl3-EMIC ionic liquid,improved the appearance and micromorphology of the aluminum coating,but was detrimental to the hydrogen embrittlement of aluminum coating. |
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| Keywords: | aluminum electroplating 1-ethyl-3-methylimidazolium ionic liquid methylbenzene dilution hydrogen embrittlement |
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