B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 15/20 (2006.01) B23K 35/02 (2006.01) B23K 35/28 (2006.01) B32B 15/01 (2006.01) C22C 21/00 (2006.01)
Patent
CA 2482914
The present invention relates to multiple layer aluminum brazing sheet having a core (3), a braze cladding (1), and an interliner (2) therebetween that, when fabricated in the fully annealed condition (O-temper), forms a continuous and dense dispersoid band in the core (3) in addition to having an additional sacrificial layer for exceptional post brazed corrosion resistance. This present invention also relates to the process used to fabricate these alloys.
L'invention concerne une feuille de brasage en aluminium multicouche, qui comprend un noyau (3), une gaine de brasage (1) et un garnissage intermédiaire (2) placé entre les deux. Lorsqu'elle est fabriquée à l'état de livraison complètement recuit (état O), la feuille de brasage selon l'invention forme une bande dispersoïde continue et dense dans le noyau (3) tout en présentant une couche sacrificielle supplémentaire assurant une résistance exceptionnelle à la corrosion de post-brasage. L'invention concerne également un procédé servant à fabriquer ces alliages.
Alcoa Inc.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
LandOfFree
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