B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 9/16 (2006.01) B23K 35/38 (2006.01)
Patent
CA 2184855
The arc welding, with a refractory electrode, using alternating current, is performed with a gaseous protective mixture including at the location of the weld, at least 50 %, typically between 60 and 80 % of helium and at least 300 vpm, typically between 400 and 800 vpm, of nitrogen, the remainder being argon. Application to manual or automatic welding of aluminium components.
Diot Henri
Marchand Didier
Soula Richard
L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Proced Es Geo
Swabey Ogilvy Renault
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