YE Ping*,ZHOU Qian,DONG Liang.叶 萍1*，周 倩2，董 良3[J].Plating & Finishing,2021,(2):28-33.[doi:10.3969/j.issn.1001-3849.2021.02.0060]
屏蔽罩超声辅助电镀Ni-Co/SiO2复合镀层的耐蚀性研究
- Title:
- 叶 萍1*，周 倩2，董 良3
- 关键词:
- 耐蚀性; 表面形貌; 显微结构; Ni-Co/SiO2复合镀层; 屏蔽罩
- Keywords:
- corrosion resistance surface morphology microstructure Ni-Co/SiO2 composite coating shielding cover
- 文献标志码:
- A
- 摘要:
- 在电子元件常用的屏蔽罩表面电镀Ni-Co/SiO2复合镀层，并施加超声波以强化电镀过程。研究了超声波功率对镀层中SiO2颗粒含量以及镀层表面形貌、显微结构和耐蚀性的影响。结果表明：适当提高超声波功率有利于改善镀层表面形貌，并提高镀层中SiO2颗粒含量，使镀层表现出越来越好的耐蚀性。但超声波功率超过一定范围后，镀层中SiO2含量下降，镀层表面形貌也随之变差，导致耐蚀性下降。超声波功率提高对镀层衍射峰的数量、位置以及晶格常数基本没有影响。当超声波功率为240 W时，镀层表面形貌和耐蚀性相对最好，该镀层适合应用在屏蔽罩上，有望进一步改善屏蔽罩的耐蚀性。
- Abstract:
- Ni-Co/SiO2 composite coating was electroplated on the surface of shielding cover commonly used for electronic components, and ultrasonic was applied to enhance the electroplating process. The influences of ultrasonic power on the content of SiO2 particles in the coating, as well as the surface morphology, microstructure and corrosion resistance of the coating were studied. The results showed that appropriate increase of ultrasonic power was beneficial to improve the surface morphology of the coating, increase the content of SiO2 particles in the coating, and make the coating show better corrosion resistance. However, when the ultrasonic power exceeded a certain range, the content of SiO2 in the coating decreased, and the surface morphology of the coating deteriorated, resulting in the decline of corrosion resistance. The increase of ultrasonic power had no influence on the number and position of diffraction peaks and the lattice constant of the coatings. When the ultrasonic power was 240 W, the coating possessed much better surface morphology and corrosion resistance, which was suitable to be applied on the shielding cover in order to further improve the corrosion resistance of the shielding cover.
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备注/Memo
收稿日期： 2020-08-14；修回日期： 2020-10-15
作者简介： 叶萍（1969—），女，本科，高级工程师。email：education_810@163.com
基金项目： 黑龙江省普通本科高等学校青年创新人才培养计划（UNPYSCT-2017152）；黑龙江省高等教育教学改革项目（SJGY20190726）