PROCESS FOR ASSEMBLING METAL PARTS, SUCH AS ALUMINUM AND ASSEMBLY THUS OBTAINED

Abstract

Abstract Translated from French L'INVENTION CONCERNE L'ASSEMBLAGE DE DEUX PIECES METALLIQUES PLACEES AU CONTACT L'UNE DE L'AUTRE. ON REVET CHAQUE PIECE A ET B D'UNE COUCHE METALLIQUE (SIMPLE OU COMPOSITE) EN DES METAUX PRESENTANT UNE BONNE APTITUDE A LA DIFFUSION, (ETAIN, OR, INDIUM, CUIVRE, ETC.). ON POSE L'UNE SUR L'AUTRE LES PIECES REVETUES ET ON CHAUFFE A MOINS DE 450C POUR FAIRE APPARAITRE UN ALLIAGE DE LIAISON. APPLICATIONS: SORTE DE BRASAGE EFFECTUE A BASSE TEMPERATURE, SANS FLUX CORROSIF, MEME SUR DES PIECES EN ALUMINIUM. THE INVENTION CONCERNS THE ASSEMBLY OF TWO METAL PARTS PLACED IN CONTACT WITH ONE ANOTHER. EACH PART A AND B IS COATED WITH A METAL LAYER (SINGLE OR COMPOSITE) IN METALS WITH GOOD DIFFUSION ABILITY (TIN, GOLD, INDIUM, COPPER, ETC.). THE COATED PARTS ARE PLACED ONE OVER THE OTHER AND HEATED TO LESS THAN 450C TO APPEAR A BONDING ALLOY. APPLICATIONS: KIND OF BRAZING CARRIED OUT AT LOW TEMPERATURE, WITHOUT CORROSIVE FLOW, EVEN ON ALUMINUM PARTS.

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