[1]吴群英,邹天嘉,严 伟,等.环保无氰镀镉工艺可行性研究[J].电镀与精饰,2024,(10):89-95.
　Zhang Aibin,Chen Sibing.Feasibility study on environment-friendly cadmium plating technology without cyanide Wu Qunying1, Zou Tianjia2, Yan Wei1, Li Feng1, Chen Jing1, Huang Yong1,[J].Plating & Finishing,2024,(10):89-95.
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环保无氰镀镉工艺可行性研究()

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG]

卷:
期数:
2024年10
页码:
89-95
栏目:
出版日期:
2024-10-15

文章信息/Info

Title:
Feasibility study on environment-friendly cadmium plating technology without cyanide Wu Qunying1, Zou Tianjia2, Yan Wei1, Li Feng1, Chen Jing1, Huang Yong1,
作者:
吴群英1; 邹天嘉2; 严 伟1; 李 丰1; 陈 晶1; 黄 勇1; 张爱斌1; 陈四兵1
(1. 航空工业江西洪都航空工业集团有限责任公司,江西 南昌,330095;2. 空军装备部驻南昌地区军事代表室,江西 南昌 3 30095)
Author(s):
Zhang Aibin1;  Chen Sibing1
(1. AVIC Jiang Xi Hong Du Aviation Industry Goup Co., LTD , Nanchang 330095, China2. Military Representative Office of Air Equipment Department in Nanchang Region, Nanchang 330095, China)
关键词:
无氰镀镉; 镀液性能; 镀层性能; 镀液稳定性
Keywords:
cadmium plating without cyanide;  bath performance;  coating property;  bath stability
分类号:
TQ153.17
文献标志码:
A
摘要:
无氰镀镉溶液的分散能力和深镀能力优异，当电流密度为1.16～1.37 A/dm2，镀液温度在22～35 ℃时，镉层的沉积速率约为10.00～16.23 μm/h。镉层外观初期为带金属光泽的瓦灰色，当镀液通电量逐渐增加时，镉层外观逐渐变成银灰色、银白色，钝化后为彩虹色。镉层结合力、耐蚀性、氢脆性均符合HB5036—1992的要求。通过霍尔槽试验、经验数据、镉层外观等作为依据补加主盐、导电盐、添加剂，可以保证镉层的外观和沉积速率。在镉层上制备氧化磷化膜，膜层外观和耐蚀性符合工艺要求。小零件的试镀效果良好，满足交付标准。
Abstract:
The experiment showed that the dispersing ability and deep plating ability of the cyanide-free cadmium plating solution were excellent. When the current density was 1.16-1.37 A/dm2 and the bath temperature was 22-35 ℃, the deposition rate of cadmium layer was 10.00-16.23 μm/h. The initial appearance of the cadmium layer was tile gray with metallic luster, and when the amount of electricity in the plating solution gradually increased, the appearance of the cadmium layer gradually became silver gray and silver white, and the appearance of the cadmium layer after passivation was rainbow color. The binding force, corrosion resistance and hydrogen brittleness of the cadmium layer met the requirements of HB5036—1992. The appearance and deposition rate of cadmium layer can be guaranteed by adding main salt, conductive salt and additives according to hall chamber test, empirical data and appearance of the cadmium layer. The oxidation phosphating film was prepared on cadmium layer, and the appearance and corrosion resistance of the film met the technological requirements. The test plating effect of small parts was good and met the delivery standard

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更新日期/Last Update: 2024-10-16