نتایج جستجو برای: electroless plating
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The pretreatment of the substrate, prior to Electroless Nickel (EN) plating, plays an important role in the corrosion protection provided by the EN deposit. Many factors in the pretreatment process can affect the corrosion resistance of the EN deposit. The details of mechanical treatment, chemical/elecuo polishing, acid activation, and pre-processing procedure (such as nickel strike) are among ...
Copper electroless plating at low pH (7–9) using dimethylamine borane complex as a reducing agent is studied electrochemically by linear sweep voltammetry, cyclic voltammetry and chronopotentiometry in full electrolytes. We find that the mixed potential theory is not applicable to the described system. We show that both the working potential and the rate-controlling mechanism are dependent on t...
Compression springs were prepared from Cr-Si high strength spring steel and coated with pure Zn and ZnNi by electroplating process. The effect of baking after electroplating as well as applying an electroless nickel interlayer on the fatigue and fatigue corrosion of the springs was investigated. The results were analyzed using weibull statistical model. A considerable improvement (8%) in fati...
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