物理化学学报2012，Vol.28Issue(2)：414-420,7.DOI:10.3866/PKU.WHXB201112011
铝表面前处理及化学沉积镍初期行为
Initial Behavior of the Electroless Nickel Deposition on Pretreated Aluminum
摘要
Abstract
The initial behavior of electroless nickel deposition on aluminum pretreated by nickel immersion and electroless nickel pre-plating processes was studied measuring the open circuit potential (OCP) as a function of time (Eocp-f)- Scanning electron microscopy (SEM) was used to observe the surface morphology of the pretreated specimens. During the initial stages of the electroless nickel deposition, all pretreated and un-pretreated aluminum substrates experienced removal of the oxide film, activation, mixed control and electroless nickel deposition. After nickel immersion and electroless nickel pre-plating, fine nickel particles were attached to the surface of the aluminum. Our experimental results, including ￡ocp-f and SEM, indicate that electroless nickel plating in a weak acidic bath was successfully accomplished on the aluminum pretreated with a double treatment of electroless nickel pre-plating in an alkaline nickel solution containing a complexing agent and a reductant. The nickel coating obtained adhered to the aluminum substrate, had a granular appearance and an amorphous structure.关键词
化学镀镍/铝/浸镍/化学预镀镍/开路电位Key words
Electroless nickel plating/Aluminum/Nickel immersion/Electroless nickel pre-plating/ Open circuit potential分类
化学化工引用本文复制引用
杨丽坤,杨防祖,田中群,周绍民..铝表面前处理及化学沉积镍初期行为[J].物理化学学报,2012,28(2):414-420,7.基金项目
国家自然科学基金(20873114,20833005,21021002),国家重点基础研究发展规划项目(973)(2009CB930703)和福建省科技计划项目(2009H4020)资助 （20873114,20833005,21021002）
