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 SM ISO690:2012СИДЕЛЬНИКОВА, Светлана, ЮЩЕНКО, С., ДИКУСАР, Александр. Морфология, структура и состав покрытий при электроосаждении “чёрного никеля”. In: Электронная обработка материалов, 2009, nr. 4(45), pp. 93-101. ISSN 0013-5739. |
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 Электронная обработка материалов |
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| Numărul 4(45) / 2009 / ISSN 0013-5739 /ISSNe 2345-1718 | ||||||
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| Pag. 93-101 | ||||||
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It is shown the electrolyte composition and electrodeposition conditions in view of “black nickel” coatings obtaining on the surface of piece from alloyed steel, including into the inner surface of small diameter hole (3.4 – 5.0 mm). The used method of coatings obtaining include the application of two regimes of electrodeposition from one bath which contain the nickel and zinc salts, precursor of complex (ammonium thiocyanate) and boric acid. The first regime gives the possibility to obtain fine-grained layer with high concentration of nickel and the second – (functional) has been deposited with high concentration of zinc. The produced coatings contained also oxides and sulphides and were amorphous as was X-ray analysis shown. |
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