Sx-nickel alloy having improved tmf properties, raw material, and component

Abstract

Provided is a composition of a nickel-based superalloy with Ni-8Cr-10Co-0.6Mo-8Ta-8W-1.25Re-5.7Al-0Ti-0.1Hf-0.25Si-0.008B-0.0210C-0.02Y, by which composition improved TMF properties are achieved.

1 . A nickel-based alloy
 comprising at least (in % by weight):   
       
         
           
                 
                 
                 
               
                     
                     
                 
                     
                   Chromium (Cr) 
                   7.0%-9.0%, 
                 
                     
                   Cobalt (Co) 
                   9.0%-11%,  
                 
                     
                   Molybdenum (Mo) 
                   0.4%-0.8%, 
                 
                     
                   Tantalum (Ta) 
                   7.0%-9.0%, 
                 
                     
                   Tungsten (W) 
                   7.0%-9.0%, 
                 
                     
                   Rhenium (Re) 
                    1.0%-1.30%, 
                 
                     
                   Aluminum (Al) 
                   5.0%-6.4%, 
                 
                     
                   Hafnium (Hf) 
                   0.08%-0.12%, 
                 
                     
                   Silicon (Si) 
                   0.018%-0.32%,  
                 
                     
                   Boron (B) 
                   0.003%-0.015%, 
                 
                     
                   Carbon (C) 
                   0.01%-0.05%, 
                 
                     
                   Yttrium (Y) 
                   0.017%-0.023% 
                 
                     
                     
                 
             
                
               
               
                
                
                
                
                
                
                
                
                
                
                
                
                
               
            
           
         
       
     
     
         2 . A powder, comprising at least an alloy as claimed in  claim 1 . 
     
     
         3 . A component comprising at least an alloy as claimed in  claim 2  or produced from a raw material. 
     
     
         4 . The component as claimed in  claim 3  which is a turbine blade. 
     
     
         5 . The alloy, raw material or component as claimed in  claim 1 , which does not comprise any titanium. 
     
     
         6 . The alloy as claimed in  claim 1 , which does not comprise any zirconium. 
     
     
         7 . The alloy of  claim 1 , wherein the nickel alloy is Ni-8Cr-10Co-0.6Mo-8Ta-8W-1.25Re-5.7Al-0Ti-0.1Hf-0.25Si-0.008B-0.0210C-0.02Y. 
     
     
         8 . A nickel-based alloy at least one of consisting essentially of and consisting of (in % by weight): 
       
         
           
                 
                 
                 
               
                     
                     
                 
                     
                   Chromium (Cr) 
                   7.0%-9.0%, 
                 
                     
                   Cobalt (Co) 
                   9.0%-11%,  
                 
                     
                   Molybdenum (Mo) 
                   0.4%-0.8%, 
                 
                     
                   Tantalum (Ta) 
                   7.0%-9.0%, 
                 
                     
                   Tungsten (W) 
                   7.0%-9.0%, 
                 
                     
                   Rhenium (Re) 
                    1.0%-1.30%, 
                 
                     
                   Aluminum (Al) 
                   5.0%-6.4%, 
                 
                     
                   Hafnium (Hf) 
                   0.08%-0.12%, 
                 
                     
                   Silicon (Si) 
                   0.018%-0.32%,  
                 
                     
                   Boron (B) 
                   0.003%-0.015%, 
                 
                     
                   Carbon (C) 
                   0.01%-0.05%, 
                 
                     
                   Yttrium (Y) 
                   0.017%-0.023%. 
                 
                     
                     
                 
             
                
               
               
                
                
                
                
                
                
                
                
                
                
                
                
                
               
            
           
         
       
     
     
         9 . The alloy of  claim 1 , wherein the nickel alloy consists of Ni-8Cr-8W-10Co-0.6Mo-8Ta-1.25Re-5.7Al-0Ti-0.1Hf-0.25Si-0.008B-0.0210C-0.02Y.