Comparative study of several iron-chromium-nickel alloy plating baths

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作者：
Goldmann, Th.
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来源：
Galvanotechnik | 1994年 / 85卷 / 04期
关键词：
Chlorine - Chromium - Composition - Corrosion resistance - Deposition - Electric currents - Iron alloys - Nickel - Plating - Sulfur compounds - Thermal effects;
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摘要：
Following an exhaustive study of the literature, 10 types of electrolyte composition were selected for study. Deposits from chloride-based electrolytes were superior to those from sulphate media. At no time was chlorine gas seen to be evolved. By selecting the appropriate conditions, virtually any desired Fe-Ni-Cr composition could be deposited. The ratio Fe:Ni was a function of the current density. The chromium content depended strongly on bath temperature. The advantages of higher current efficiencies and improved corrosion resistance found with sulphate-based baths must be seen in the light of the sulphur which is incorporated in the deposits from these baths.
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页码：1117 / 1126
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