FIELD: chemistry.
SUBSTANCE: invention relates to metal surface processing. Method of obtaining corrosion-stable covering on the surface of non-alloy steel includes preparation of powder in form of nanocomposite particles of Fe-Ni, which contain 3-10 wt % of nickel, and its layer-by-layer application on surface of non-alloy steel with laser sintering. Layer-by-layer application of coating on is carried out with formation of sintered coating up to 0.8 mcm thick, which consists of iron particles in nickel envelope with size 20-40 nm. Laser sintering is carried out by irradiation with wave length 1-1.1 mcm, impulse generation frequency 20-100 kHz, power 8-60 Wt and scanning rate 30-500 mm/s.
EFFECT: increase of corrosion stability of steel is ensured.
2 dwg, 2 tbl, 1 ex
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