C - Chemistry – Metallurgy – 25 – F
Patent
C - Chemistry, Metallurgy
25
F
204/83.5
C25F 3/26 (2006.01)
Patent
CA 1156601
ABSTRACT OF THE DISCLOSURE Electrolyte for electrochemical polishing of articles made of titanium and titanium alloys contains 45 - 70 wt.-% sulphuric acid, 4 - 20 wt.-% nitric acid, 20 - 35 wt.-% hydro- fluoric acid, 0.4 - 1.9 wt.-% sodium salt of .alpha.-sulphocarboxylic acid containing 17 to 20 atoms of carbon in combination with 0.1 - 1.6 wt.-% sodium salt of carboxylic acid containing 17 to 20 atoms of carbon or 1 - 2 wt.-% alkyl sulphureid, 4 - 20 wt.-% water. The present invention increases by 20% the dispersive capacity of the electrolyte which produces a high surface finish on the article, uniformity of the electric potential and im- proves corrosion resistance of the treated article.
332043
Karyazin Pavel P.
Khukhareva Natalya N.
Perimov Jury A.
Shtanko Vladlen M.
Shut Nina A.
Swabey Ogilvy Renault
Uralsky Nauchno-Issledovatelsky Institut Trubnoi Promyshlennosti
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