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[1]刘明举,程纪华*.化学镀镍镀层质量影响因素的分析[J].电镀与精饰,2020,(12):1-4.[doi:10.3969/j.issn.1001-3849.2020.12.0010]
　LIU Mingju,CHENG Jihua*.Research on the Factors Affecting the Quality of Electroless Nickel Plating[J].Plating & Finishing,2020,(12):1-4.[doi:10.3969/j.issn.1001-3849.2020.12.0010]
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化学镀镍镀层质量影响因素的分析

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG] 卷: 期数: 2020年12 页码: 1-4 栏目: 出版日期: 2020-12-10
Title:
Research on the Factors Affecting the Quality of Electroless Nickel Plating
作者:
刘明举; 程纪华*
航空工业南京机电液压工程研究中心，江苏 南京 211100
Author(s):
LIU Mingju;  CHENG Jihua*
Nanjing Engineering Institute of Aircraft System， AVIC， Nanjing 211100， China
关键词:
化学镀镍; 析出反应; 副反应; 影响规律; 镀层质量
Keywords:
electroless nickel plating precipitation reaction side reaction influence rules plating quality
分类号:
TQ153.12
DOI:
10.3969/j.issn.1001-3849.2020.12.0010
文献标志码:
A
摘要:
针对化学镀镍镀层颜色不一致、亚光、发花，镀层起皮、麻点，厚度不合格，无法通过48 h的盐雾耐蚀性试验和硬度试验等质量问题，利用原子氢[H]析出反应机理和H2PO2-的副反应，分析得出温度、Ni2+/H2PO2-比例、pH值、HPO32-含量和氢气是影响反应进行的5类因素。研究了5类因素对镀液和镀层质量的影响规律，并提出了控制措施。结合镀层质量存在的典型缺陷、排除方法和成功建线经验，提出在生产线上配备循环过滤系统、物理搅拌系统、温控传感系统、自动pH值、Ni2+检测系统和自动添加药品系统等，以解决5类因素的不良影响，提高化学镀镍镀层质量。
Abstract:
In view of some quality problems, such as the inconsistent of appearance color, matte, hair, coating peeling, pitting, unqualified thickness, failing to pass the 48 h salt spray corrosion resistance test and hardness test and so on, it is concluded that temperature, Ni2+/H2PO2- ratio, pH value, HPO32- content and hydrogen are the five factors influencing the reaction based on the mechanism of [H] precipitation reaction and the side reaction of H2PO2-. The influence rules of 5 kinds of factors on bath and coating quality are found, and the control measures are summarized. Combined with the typical faults of coating quality, elimination methods and successful experience of line construction, it is proposed to equip the production line with circulating filter system, physical stirring system and temperature control sensing system, automatic pH value, Ni2+ detection system and automatic drug addition system, etc. The adverse effects of five factors is eliminated and the quality of electroless nickel plating is improved.

参考文献/References:

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备注/Memo

收稿日期： 2020-03-23；修回日期： 2020-05-25
通信作者： 程纪华，nuaacjh@163.com

更新日期/Last Update: 2020-12-10