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[1]宋振兴*,孟香茗,李岱原,等.电镀Ni-Sn镀层在人工汗液中的腐蚀行为[J].电镀与精饰,2020,(5):13-18.[doi:10.3969/j.issn.1001-3849.2020.05.0020]
　SONG Zhenxing*,MENG Xiangming,LI Daiyuan,et al.Corrosion Behavior of Ni-Sn Alloy in Artificial Sweat[J].Plating & Finishing,2020,(5):13-18.[doi:10.3969/j.issn.1001-3849.2020.05.0020]

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电镀Ni-Sn镀层在人工汗液中的腐蚀行为

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG] 卷: 期数: 2020年5 页码: 13-18 栏目: 出版日期: 2020-05-15

Title:: Corrosion Behavior of Ni-Sn Alloy in Artificial Sweat

作者:: 宋振兴^1*; 孟香茗¹; 李岱原²; 苏颖³; 陈靖雯⁴; 1. 天津科技大学理学院，天津 300457； 2. 天津科技大学化工与材料学院，天津 300457； 3. 天津科技大学轻工科学与工程学院，天津 300457； 4. 天津科技大学生物工程学院，天津 300457

Author(s):: SONG Zhenxing^1*; MENG Xiangming¹; LI Daiyuan²; SU Ying³; CHEN Jingwen⁴; 1. College of Science, Tianjin University of Science and Technology, Tianjin 300457, China 2. College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, China 3. College of Light Industry Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, China 4. College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China

关键词:: Ni-Sn合金; 人工汗液; 腐蚀行为; 络合剂; 热处理

Keywords:: Ni-Sn alloy artificial sweat corrosion behavior complex agent heat treatment

DOI:: 10.3969/j.issn.1001-3849.2020.05.0020

文献标志码:: A

摘要:: 采用环保络合剂体系制备Ni-Sn合金镀层。通过Tafel曲线测试、交流阻抗测试、扫描电镜、X射线衍射研究了Ni-Sn合金在人工汗液中的腐蚀行为。结果表明，镀态镀层为Ni相晶态结构，Ni-Sn合金镀层的耐腐蚀性随镀层中Sn含量的增加先升高后下降，Sn含量为8.88%的镀层在人工汗液中的耐蚀性最佳。交流阻抗测试及浸泡挂片实验结果与Tafel曲线测试结果一致。热处理实验表明，镀层耐腐蚀性能随热处理温度的升高先提高后降低，200 ℃热处理后镀层耐腐蚀性能最好，热处理温度高于400 ℃后镀层开始有新相Ni₄Sn析出，镀层耐腐蚀性能随之降低。

Abstract:: The Ni-Sn alloy coating was prepared by using an environment-friendly complex system. The corrosion behavior of Ni-Sn alloy in artificial sweat was studied by Tafel curve test, AC impedance test, scanning electron microscopy and X-ray diffraction. The results show that the plated coating is a Ni-phase crystalline structure. The corrosion resistance of the Ni-Sn alloy coating firstly increases and then decreases with the increasing of Sn content in the coating. The corrosion resistance of the coating with the Sn content of 8.88% in artificial sweat achieves the best. The results of the AC impedance test and the immersion coupon test are consistent with the Tafel curve test. The heat treatment experiment shows that the corrosion resistance of the coating firstly increases and then decreases with the increasing of heat treatment temperature. The corrosion resistance of the coating is the best after heat treatment at 200 ℃. When the heat treatment temperature is higher than 400 ℃, a new phase Ni₄Sn begins to precipitate and the corrosion resistance of the coating reduces.

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相似文献/References:

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备注/Memo

收稿日期： 2019-11-20；修回日期： 2019-12-30
通信作者：宋振兴， email： szxtju@126.com

更新日期/Last Update: 2020-05-10