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Information × Registration Number 0223U000795, 0122U001890 , R & D reports Title Development of alloyed electrochemical and chemical coatings based on Nickel to increase the resistance to corrosion and mechanical wear of steels in aggressive environments popup.stage_title Head Khoma Myroslav S., Доктор технічних наук Registration Date 20-01-2023 Organization Physico-Mechanical Institute named after GV Karpenko of the National Academy of Sciences of Ukraine popup.description2 The citrate-ammonium composition of the electrolyte-suspension with amorphous boron based on the citrate-ammonium complex of nickel and molybdate ions and the electrolysis mode for obtaining a nonporous Ni-Mo-B composite coating are proposed: 0.2 M NiSO4; 0.008 M Na2MoO4; 0.3 M Na3C6H5O7; (NH3+NH4Cl); B – 250 g/l) application modes: Jk, ≈3A/dm2; pH≈9.5, T=60°С, Wstirring=5∙10s-1. Ni-Mo-B composite electrolytic coating with a molybdenum content of 23% and boron 6% of boron with a hardness of 6.4 GPa was obtained, as a result of heat treatment at 950°C for 1 hour in an inert environment, its hardness increased by 2.2 times. Product Description popup.authors Ivashkiv Vasylʹ R. Vasyliv Khrystyna B. Vynar Vasylʹ A. Halaychak Svitlana A. Holovchuk Myroslav Ya. Datsko Bohdan M. Dyachuk Alla I. Mardarevych Roman S. Ratsʹka Nadiya B. Rudkovsʹkyy Yevhen M. Khoma Myroslav Stepanovich Chuchman Marian R. popup.nrat_date 2023-01-20 Close