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Composite Complexing Agent, Stabilizing Agent And Accelerator In Acidic Nickel-phosphorus Plating The Role Of The Regularity

Posted on:2001-10-06Degree:MasterType:Thesis
Country:ChinaCandidate:S H NieFull Text:PDF
GTID:2191360002950152Subject:Metallic materials and heat treatment
Abstract/Summary:
In this paper, the laws of effect were studied of eght kinds of complexing agents,fivekinds of stabilizers and more than ten kinds of accelerators such as rare earth La in acidNickle-Phosphorus electroless plating bath by means of orthogonal-design experiments andcontrast experiments, And the relations were detailedly probed into of plating technics and thevelocity of Ni-P depositing,the capability of resisting corrosion of Ni-P depositing layer andbath solution stability etc. It is found which the proper match of complexing agent andstabilizer can improve the depositing velocity,the capability of resisting corrosion of Ni-Pdepositing layer and the bath solution stability.Finally, The comparative perfect matchs ofcomplexing agent,stabilizer and accelerator were found.
Keywords/Search Tags:Nickle-Phosphorus deposition in acid bath solution, complexing agents, stabilizers, accelerators, laws of effect, plating technics, depositing velocity, bath solutionstability, capability of resisting corrosion
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