Laser welding superalloy articles

Details Laser welding superalloy articles Laser welding superalloy articles

B - Operations, Transporting

23

K

B23K 26/00 (2006.01) B23K 26/14 (2006.01) B23K 26/32 (2006.01) B23K 26/42 (2006.01)

Patent

CA 2343639

A process is provided for laser welding a nickel or cobalt based superalloy article to minimize cracking by preheating the entire weld area to a ductile temperature, maintaining such temperature during welding and solidification of the weld, with the welding utilizing a powder alloy feed and the speed of the laser controlled to less than 10 inches per minute.

Procédé de soudage au laser d'un article en superalliage à base de nickel ou de cobalt, permettant de réduire à un minimum la fissuration, qui consiste à chauffer préalablement la zone entière de soudure jusqu'à une température de ductilité, et à maintenir ladite température pendant le soudage et la solidification de la soudure, la soudure étant réalisée à l'aide d'une brasure sous forme d'alliage en poudre et la vitesse du laser étant régulée à moins de 10 pouces par minute.

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