[1]高晓颖,王浩军*,郭全庆,等.doi: 10.3969/j.issn.1001-3849.2025.10.013二甲基海因与烟酸复配体系的无氰镀银工艺性能研究[J].电镀与精饰,2025,(10):90-97.
　Gao Xiaoying,Wang Haojun*,Guo Quanqing,et al.Study on the performance of cyanide free silver-plating process for the compound system of dimethyl hydantoin and niacin[J].Plating & Finishing,2025,(10):90-97.
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doi: 10.3969/j.issn.1001-3849.2025.10.013二甲基海因与烟酸复配体系的无氰镀银工艺性能研究()

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG]

卷:
期数:
2025年10
页码:
90-97
栏目:
出版日期:
2025-10-31

文章信息/Info

Title:
Study on the performance of cyanide free silver-plating process for the compound system of dimethyl hydantoin and niacin
作者:
高晓颖; 王浩军*; 郭全庆; 孟保利; 杨 蕾; 冯 锐
(中航西安飞机工业集团股份有限公司,陕西 西安 710089)
Author(s):
Gao Xiaoying;  Wang Haojun*;  Guo Quanqing;  Meng Baoli;  Yang Lei;  Feng Rui
(AVIC Xi’an Aircraft Industry Group Company Ltd., Xi’an 710089, China)
关键词:
电镀银; 二甲基海因; 工艺参数; 正交试验; 疲劳性能
Keywords:
silver electroplating;  dimethyl hydantoin;  process parameters;  orthogonal test;  fatigue performance
分类号:
TQ153.2
文献标志码:
A
摘要:
采用二甲基海因与烟酸复配体系的无氰镀银电镀液在30CrMnSiA基体上沉积镀银层，通过正交试验研究了电流密度、槽液温度和银离子浓度对沉积速率、电流效率、分散能力和镀层结合力的影响；同时研究了无氰镀银和氰化镀银在氢脆性能和疲劳性能上的差异。结果表明：对镀层沉积速率影响的先后顺序为电流密度、银离子浓度、温度；对电流效率影响的先后顺序为电流、温度、银离子浓度；无氰镀银和氰化镀银对基材的氢脆性能影响几乎一致；氰化镀银后试样和无氰镀银后试样的疲劳极限分别为691 MPa和575 MPa，无氰镀银处理后的30CrMnSiNi2A疲劳极限相比氰化镀银处理后的疲劳极限降低了16.8%。可以利用无氰镀银代替氰化镀银进行工业生产。
Abstract:
A cyanide free silver-plating solution was used to deposit a silver layer on a 30CrMnSiA substrate using a compound system of dimethyl hydantoin and nicotinic acid. The effects of current density, bath temperature, and silver ion concentration on deposition rate, current efficiency, dispersibility and coating adhesion were studied through orthogonal experiments; At the same time, the differences in hydrogen embrittlement and fatigue performance between cyanide free silver plating and cyanide silver plating were studied. The results indicate that the current density has the greatest impact on the deposition rate of the coating, followed by silver ion concentration, and finally temperature; The current has the greatest impact on current efficiency, followed by temperature, and finally silver ion concentration; The effects of cyanide free silver plating and cyanide silver plating on the hydrogen embrittlement performance of the substrate are almost identical; The fatigue limits of the sample after cyanide silver plating and the sample after cyanide free silver plating are 691 MPa and 575 MPa, respectively. The fatigue limit of 30CrMnSiNi2A after cyanide free silver plating is 16.8% lower than that after cyanide silver plating. Cyanide free silver plating can be used instead of cyanide silver plating for industrial production

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更新日期/Last Update: 2025-10-17