| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: electrolyte contains (g/l): 150-300 of chromium anhydride, 1.5-3 of sulphuric acid, 0.03-0.08 of nano-carbonic material with amount of graphene layers as many, as 30, diameter of fibres from 10 to 60 nm, length not less, than 2 mcm and amount of structured carbon not less, than 95 %. ^ EFFECT: pore-less chromium coating of high micro-hardness and low non-uniformity. ^ 2 cl, 1 ex |
