Method of repairing damages in superalloys

Details Method of repairing damages in superalloys Method of repairing damages in superalloys

B - Operations, Transporting

22

F

13/22

B22F 7/00 (2006.01)

Patent

CA 1324242

ABSTRACT OF THE DISCLOSURE A method of repairing damages in a superalloy component is disclosed wherein existing brazed joints and protective coatings are not harmed. The method entails the use of a silicon-free metal mixture comprising (i) a low melting alloy having a liquidus below the temperature to be used to deposit the metal mixture, (ii) an alloy melting above about 2100°F, and (iii) optionally nickel. The resultant repair has a solidus temperature of at least 1950°F, preferably at least 2000°.

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