Conclusions
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1.
Cold galvanizing in electrolytes which do not contain cyanides results in much smaller changes of the mechanical properties than galvanizing in cyanide-containing solutions.
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2.
Electroplating with cadmium or copper in cyanide-type solutions, tin and lead-coating from acid solutions result in much smaller changes of mechanical properties than cold galvanizing in a cyanide-type electrolyte. Chromium plating gives the most pronounced decrease of mechanical properties.
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3.
It is advisable to replace cyanide-type cold galvanizing electrolytes by baths free from cyanide (hydrofluoboric) or by cadmium plating, whenever service conditions and the shape of the part permit doing so.
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References
I. I. Moroz and N. T. Kudryavtsev,Metalloved. Obra. Met., August, 1957, No. 8, pp. 28–33.
I. I. Moroz and N. T. Kudryavtsev,Metalloved. Obra. Met., April, 1958, No. 4, pp. 25–28. [HB Translation No. 4184].
A. V. Ryabchenko, Corrosion Fatigue Strength of Steel [Book, in Russian], Mashgiz Press, 1953.
V. I. Lainer and N. T. Kudryavtsev, Fundamentals of Electroplating. Volume I [Book, in Russian], Metallurgizdat, 1953.
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Kudryavtsev, N.T., Moroz, I.I. The effect of electrochemical treatment on the mechanical properties of steel. Met Sci Heat Treat 2, 553–556 (1960). https://doi.org/10.1007/BF00648869
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DOI: https://doi.org/10.1007/BF00648869