Nickel Alloy For Repairs

Abstract

A nickel base repair alloy comprises a blend of about 40 to 60 wt % of a first nickel based braze alloy containing boron, about 15 to 35 wt % of a first nickel based filler material, and the remainder consisting of a blend of a second nickel based filler material and a low melting eutectic braze nickel based alloy.

1 - 16 . (canceled) 
     
     
         17 . A material for repairing a crack in a nickel based alloy component consisting essentially of about 7.0 to 10.0 wt % chromium, about 4.0 to 7.0 wt % tungsten, about 3.0 to 6.0 wt % aluminum, about 1.0 to 5.0 wt % tantalum, about 0.5 to 3.0 wt % boron, about 9.0 to 11.0 wt % cobalt, about 0.5 to 2.0 wt % molybdenum, up to about 2.5 wt % rhenium, about 0.5 to 2.5 wt % hafnium, up to 1.0 wt % titanium, up to 0.03 wt % yttrium, and the balance nickel. 
     
     
         18 . The material according to  claim 17 , wherein said chromium content is about 8.5 to 9.5 wt %. 
     
     
         19 . The material according to  claim 17 , wherein said tungsten content is about 5.0 to 6.2 wt %. 
     
     
         20 . The material according to  claim 17 , wherein said aluminum content is about 4.0 to 5.0 wt %. 
     
     
         21 . The material according to  claim 17 , wherein said titanium content is about 0.15 to 0.4 wt %. 
     
     
         22 . The material according to  claim 17 , wherein said tantalum content is about 3.0 to 4.0 wt %. 
     
     
         23 . The material according to  claim 17 , wherein said boron content is about 1.0 to 1.5 wt %. 
     
     
         24 . The material according to  claim 17 , wherein said cobalt content is about 10 wt % to 11 wt %. 
     
     
         25 . The material according to  claim 17 , wherein said molybdenum content is about 0.9 to 1.3 wt %. 
     
     
         26 . The material according to  claim 17 , wherein said rhenium content is about 1.0 to 2.0 wt %. 
     
     
         27 . The material according to  claim 17 , wherein said hafnium content is about 1.0 to 1.3 wt %. 
     
     
         28 . The material according to  claim 17 , wherein said yttrium content is about 0.01 to 0.02 wt %.