C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
23/350, 53/350,
C22B 4/00 (2006.01) B23K 10/00 (2006.01) B23K 35/38 (2006.01) B23K 35/40 (2006.01) C21B 11/10 (2006.01) C21B 13/12 (2006.01) H05H 1/42 (2006.01)
Patent
CA 1137443
Abstract of the Disclosure Disclosed is a method of plasma treatment of ma- terials comprising introducing a plasma-forming mixture including carbon-containing compounds chosen from the class of hydrocarbons or carbon monoxide into the space between the electrodes of an electric arc device to provide deposition of carbon at least on one of the electrodes of an electric arc device in the course of arc burning, striking an electric arc, and introducing an oxidizing agent into said space between the electrodes to improve the stability of arc burning, the oxidizing agent being introduced into said space between the electrodes over a time interval between the instant when a heat flow into the electrode whereon carbon is deposited reaches its maximum value, and the instant when said heat flow drops down to a steady value.
331596
Gosudarstvenny Proektny I. Nauchno-Issledovatelsky Institut Nike
Marks & Clerk
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