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[1]吕成斌*,吕鹏,魏亚平,等.环保无氰电镀银镀层在人工汗液中的耐腐蚀性能研究[J].电镀与精饰,2022,(12):88-92.[doi:10.3969/j.issn.1001-3849.2022.12.012]
　LYU Chengbin*,LYU Peng,WEI Yaping,et al.Corrosion Property of Environment-Friendly Cyanide Free Electroplating Silver Coating in Artificial Sweat[J].Plating & Finishing,2022,(12):88-92.[doi:10.3969/j.issn.1001-3849.2022.12.012]
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环保无氰电镀银镀层在人工汗液中的耐腐蚀性能研究

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG] 卷: 期数: 2022年12 页码: 88-92 栏目: 出版日期: 2022-12-15
Title:
Corrosion Property of Environment-Friendly Cyanide Free Electroplating Silver Coating in Artificial Sweat
作者:
（1.天津市飞鸽集团联合化工厂，天津 300163； 2.首顾（天津）表面处理科技有限公司，天津 300480； 3.昆山硕凯自动化科技有限公司，江苏 昆山 215300； 4.天津勤晟金属制品有限公司，天津 301699； 5.青岛泰美嘉汽车配件有限公司，山东 青岛 266700； 6.青岛恒信达化工有限公司，山东 青岛 266043； 7. 天津华源线材制品有限公司，天津 301636）
Author(s):
（1.Tianjin Feige Group United Chemical Plant， Tianjin 300163， China； 2.Shougu （Tianjin） Surface Treatment Technology Co.， Ltd.， Tianjin 300480， China； 3. Kunshan Shuokai Automation Technology Co.， Ltd.， Kunshan 215300， China； 4. Tianjin Qinsheng Metal Products Co.， Ltd.， Tianjin 301699， China； 5. Qingdao Taimeijia Auto Parts Co.， Ltd.， Qingdao 266700， China； 6.Qingdao Hengxinda Chemical Co.， Ltd.， Qingdao 266043， China； 7.Tianjin Huayuan Wire Product Co.， Ltd.， Tianjin 301636， China）
关键词:
Ag ; 电镀; 耐腐蚀; 无氰络合剂
Keywords:
Ag ;  electroplating ;  corrosion behavior ;  cyanide free complexing agent
分类号:
TQ153.1
DOI:
10.3969/j.issn.1001-3849.2022.12.012
文献标志码:
A
摘要:
采用环保无氰络合剂体系制备 Ag 镀层，以使用硫代硫酸盐络合剂体系制备的 Ag 镀层作为对照，并运用多种手段对比了两种镀层的性能。通过 X- 射线衍射、扫描电镜对镀层晶体结构和表面形貌行了表征；采用接触角测试评价了镀层表面状态；利用阳极极化曲线、交流阻抗测试研究了 Ag 镀层在人工汗液中的腐蚀行为。结果表明：环保无氰电沉积法制备的 Ag 镀层与使用硫代硫酸盐络合剂制备的镀层比较，镀层晶面取向从（ 200 ）晶面为主转变为以（ 111 ）晶面为主；镀层平整、晶粒细致；润湿性显著提高；交流阻抗测试结果与阳极氧化结果一致，显示镀层在人工汗液中的耐腐蚀性能明显提高。
Abstract:
： Ag coating was prepared by environment-friendly cyanide free complexing agent system. Compared with Ag coating prepared by hyposulfite complexing agent ， properties of the Ag coating were investicated by various means. The crystal structure and surface morphology of the coating were characterized by X-ray diffraction and scanning electron microscope ； the surface state of the coating was evaluated by contact angle test ； the corrosion behavior of Ag coating in artificial sweat was studied by anodic polarization curve and AC impedance test. The results show that the Ag coating prepared by environment-friendly cyanide free electrodeposition transforms from （ 200 ） crystal planes to （ 111 ） crys tal planes ， and the coating is smooth and the grain size is fine ； the wettability is much better. The results of AC impedance test and immersion coupon test are consistent with those of anodic polarization test ， which shows corrosion resistance of the coating is obviously improved.

参考文献/References:



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备注/Memo

收稿日期： 2022-11-10 修回日期： 2022-11-30 作者简介： 吕成斌，男，高级工程师， email ： 13502029888@vip.163.com?/html>

更新日期/Last Update: 2022-12-16