Electroless Nickel Phosphorous:una visión global
نویسندگان
چکیده
منابع مشابه
Optimizing Electroless Nickel Pretreatment Processes
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 ...
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In the previous chapter, the components of electroless nickel plating baths were discussed from the viewpoint of the function each performs in the bath, with little attention paid to their effect on the plating process. The metal and the electron source (the reducing agent) are consumed in the electroless plating reaction and so their concentrations in the bath are continuously decreasing. Ther...
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In this paper, bath control is proposed for the electroless nickel plating through holes board process. The main parameters of the product (board) – thickness of the plating film and phosphorous content – are stabilized at constant levels using optimal tracking control. The set point for control is calculated from the model in dependence on the current state of the process. The pH-index and nic...
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The information contained in this publication has been compiled from the literature and through communication with recognized experts within the metal finishing industry. It is presented as a guide to the use of electroless nickel for engineers, metallurgists, designers and others involved in materials selection. The important properties of electroless nickel deposits are described and examples...
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he inherent lightness and good strength-to-weight ratio of T magnesium has focused attention on increasing applications in aerospace and allied fields. Its density is two thirds that of aluminum-a conventional structure material for aerospace. Magnesium has one drawback: It is prone to atmospheric corrosion. Further, because of its high chemical affinity for aqueous solutions, it is categorized...
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ژورنال
عنوان ژورنال: Revista UIS Ingenierías
سال: 2019
ISSN: 2145-8456,1657-4583
DOI: 10.18273/revuin.v18n4-2019016