Age hardenable nickel superalloy welding wires containing...

Details Age hardenable nickel superalloy welding wires containing... Age hardenable nickel superalloy welding wires containing...

C - Chemistry, Metallurgy

22

C

75/16

C22C 30/00 (2006.01) B23K 35/30 (2006.01)

Patent

CA 1109297

ABSTRACT OF THE DISCLOSURE A class of age hardenable nickel base alloys for use as filler wires in fusion welding superalloys is described. The alloys contain manganese in levels of from about .5 to 3 percent to greatly reduce the incidence of heat-affected zone cracking in the metal being welded. The weld filler alloys also contain significant amounts of aluminum, titanium, tantalum, and columbium, and therefore the resultant welds can be age hardened to relatively high strength levels. Method for reducing cracking during fusion welding using above alloys are also disclosed.

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