B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 26/42 (2006.01) B23K 26/24 (2006.01) B23K 26/32 (2006.01) B23K 35/00 (2006.01) B23K 35/28 (2006.01) B23K 35/30 (2006.01)
Patent
CA 2443224
A method is disclosed for laser lap welding a pair of metal members together. At least one of the pair of metal members having a protective metal layer. Each of the metal members having a melt temperature greater than the melt temperature of the protective metal layer. The method includes placing one end of the pair of metal members in an overlapping relation to an other end of the pair of metal members to form an overlapping section. The method also includes inserting a metal alloying agent between the pair of metal members of the overlapping section to form a gap therebetween. A laser welder is used to join the pair of metal members and the alloying agent together so that the protective metal layer and the alloying agent are melted to form an alloy layer between the pair of metal members.
L'invention concerne un procédé de soudage au laser par recouvrement de deux éléments métalliques. Au moins un de ces éléments métalliques est doté d'une couche métallique de protection. Chacun des éléments métalliques a une température de fusion supérieure à celle de la couche métallique de protection. Le procédé consiste notamment à placer une extrémité de la paire d'éléments métalliques dans une relation de recouvrement par rapport à une autre extrémité de ladite paire de façon à former une section de recouvrement. Le procédé consiste également à insérer un agent d'alliage métallique entre la paire d'éléments métalliques de la section de recouvrement afin de former un espace entre lesdits éléments. On utilise une machine à souder au laser pour joindre la paire d'éléments métalliques à l'agent d'alliage, la couche métallique de protection et l'agent d'alliage fusionnant alors pour former une couche d'alliage entre la paire d'éléments métalliques.
Bembenek Michael
Dasgupta Ashish
Mazumder Jyoti
Ridout & Maybee Llp
The Regents Of The University Of Michigan
LandOfFree
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