PROCEDE DE SOUDAGE MIG DU NICKEL ET DES ALLIAGES DE NICKEL AVEC GAZ DE PROTECTION A BASE D'ARGON ET DE CO2

A method for the MIG welding of nickel and some nickel alloys, with a protective gas in a least a part of the welding zone, uses a protective gas containing a mixture of 0.05 to 0.5% of CO2 and argon. Advantageously, the gas mixture also contains 15 to 50% vol. and preferably 17 to 30% vol. Helium o...

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Bibliographic Details
Main Authors FORTAIN JEAN MARIE, MOUTON JEAN YVES, BISKUP LAURENT, MARCHAND DIDIER
Format Patent
LanguageFrench
Published 18.10.2002
Edition7
Subjects
BLASTING
CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION
HEAT EXCHANGE IN GENERAL
HEATING
LIGHTING
MACHINE TOOLS
MECHANICAL ENGINEERING
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
TRANSPORTING
WEAPONS
WELDING
WORKING BY LASER BEAM
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Summary:A method for the MIG welding of nickel and some nickel alloys, with a protective gas in a least a part of the welding zone, uses a protective gas containing a mixture of 0.05 to 0.5% of CO2 and argon. Advantageously, the gas mixture also contains 15 to 50% vol. and preferably 17 to 30% vol. Helium or 0.1 to 10% vol. and preferably 1 to 7% vol. Hydrogen. Independent claims are included for gas mixtures used as the protective atmosphere for the MIG welding of nickel and some nickel alloys.
Bibliography:Application Number: FR20000011349