Abstract
Technological advantages and conditions for ensuring a new quality of coatings and products achieved with the use of silicon nanocarbide are established in the processes of composite electrodeposition of coatings, formation of structural ceramics, surface hardening of steels with electric explosive alloying. Nanocarbide of silicon is recommended for use in wear-resistant and corrosion-resistant chromium-carbide electrodepositable coatings operating at elevated temperatures, for hardening tools and rigging, including with especially difficult microrelief of working surfaces. Nanocarbide of silicon in the compositions “silicon carbide – boron – carbon” can be used for the production of ceramic billets by solid-phase sintering in argon with pressure 0.1 MPa and temperature 2273 K. The use of silicon nanocarbide in the technology of surface hardening of tool steels by electric explosive alloying provides a protective layer of high microhardness, wear resistance and heat resistance with depth about 20 μm.
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