2012 - Europe Direct Iasi
2012 - Europe Direct Iasi
2012 - Europe Direct Iasi
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7.7.<br />
Title<br />
EUROINVENT <strong>2012</strong><br />
ELECTRODES COATING FOR WELDING<br />
DEPOSITION USING HARD RESISTANT WEAR<br />
ALLOYS<br />
Prof. Dr. Eng. Ionelia VOICULESCU, Dr. Eng. Aurelia<br />
BINCHICIU, Prof. Dr. Eng. Victor GEANTĂ, Dr. Eng.<br />
Authors Horia BINCHICIU, Lect. Dr. Eng. Radu ŞTEFĂNOIU,<br />
Lect. Dr. Eng. Daniela IOVĂNAŞ, Eng. Radu Mihai<br />
NEGRIU, Eng. Emilia BINCHICIU<br />
Patent no. SC SUDOTIM AS Timişoara<br />
Description RO125761/30.12.2011<br />
Electrodes coating for loadings by welding with alloys with 87 %<br />
Iron – 13 % Chromium and approx. 2 % Carbon and<br />
Lanthanides, used for the obtainment, by extrusion on rods with<br />
83 % Iron – 17 % Chromium, of electrodes for manual electric<br />
welding; the shell consists of a mechanically homogenized<br />
mixture, mass-scale, comprising in: 22 – 26 % Marble; 21 – 25<br />
% Fluorspar; 5 – 7 % Rutile; 25 – 30 % Iron; 8 – 10 %<br />
Chromium; 3 - 4 % FeSi 45; 3 – 5 % Colloidal graphite; 0,5 – 1<br />
% Aluminum; 0,5 – 1 % Lanthanides; 0,5 – 1 %<br />
Carboxymethylcellulose and liquid Sodium Silicate (18 % from<br />
the pulverulent total mass).<br />
APPLICABILITY DOMAIN: obtaining of ledeburitic welded<br />
structures with a high hardness.<br />
Class 7<br />
126
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