B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 23/00 (2006.01) B23K 20/00 (2006.01) B23K 26/34 (2006.01) B23K 9/04 (2006.01) B23K 35/30 (2006.01)
Patent
CA 2399210
A process is provided for welding a nickel or cobalt based superalloy article to minimize cracking by preheating the entire weld area to a max-imum ductility temperature range, maintaining such temperature during welding and solidification of the weld, raising the temperature for stress relief of the superalloy, then cooling at a rate effective to minimize gamma prime precipitation. Image
La présente invention concerne un procédé permettant de souder un article en superalliage à base de nickel ou de cuivre afin de minimiser les fissures, selon lequel on préchauffe toute la zone de soudure jusqu'à une plage de températures de ductilité maximale, on maintient cette température pendant le soudage et la solidification de la soudure, on élève la température afin de permettre la détente du superalliage, et on refroidit à une vitesse efficace pour minimiser la précipitation gamma prime.
Foster Michael
Updegrove Kevin
Chromalloy Gas Turbine Corporation
Deeth Williams Wall Llp
LandOfFree
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