Ds superalloy and component

Abstract

A nickel-based DS alloy for directional solidification, includes Cobalt (Co), Chromium (Cr), Molybdenum (Mo), Tungsten (W), Tantalum (Ta), Titanium (Ti), Aluminum (Al), Rhenium (Re), Hafnium (Hf), Boron (B), Carbon (C), and Zirconium (Zr). Further, a component, for example a turbine blade or vane, with such an alloy is provided.

1 . A nickel-based DS alloy for directional solidification, comprising (in % by weight): 
       
         
           
                 
                 
                 
               
                     
                     
                 
                     
                   Cobalt (Co) 
                    9%-11%, 
                 
                     
                   Chromium (Cr) 
                   4%-6%, 
                 
                     
                   Molybdenum (Mo) 
                   1.7%-2.1%, 
                 
                     
                   Tungsten (W) 
                   5.5%-6.3%, 
                 
                     
                   Tantalum (Ta) 
                   6.8%-7.6%, 
                 
                     
                   Titanium (Ti) 
                   0.8%-1.2%, 
                 
                     
                   Aluminum (Al) 
                   5.4%-5.9%, 
                 
                     
                   Rhenium (Re) 
                   1.8%-2.2%, 
                 
                     
                   Hafnium (Hf) 
                   0.008%-0.12%,  
                 
                     
                   Boron (B) 
                   0.006%-0.01%,  
                 
                     
                   Carbon (C) 
                   0.13%-0.15%, and 
                 
                     
                   Zirconium (Zr) 
                   0.004%-0.006%. 
                 
                     
                     
                 
             
                
               
               
                
                
                
                
                
                
                
                
                
                
                
                
                
               
            
           
         
       
     
     
         2 . The nickel-based alloy as claimed in  claim 1 , wherein the alloy comprises nickel as the remainder. 
     
     
         3 . The nickel-based alloy as claimed in  claim 1 , wherein Niobium (Nb) is excluded. 
     
     
         4 . The nickel-based alloy as claimed in  claim 1 , wherein Ruthenium (Ru) is excluded. 
     
     
         5 . The nickel-based alloy as claimed in  claim 1 , consisting of the elements Nickel, Cobalt, Chromium, Molybdenum, Tungsten, Tantalum, Titanium, Aluminum, Rhenium, Hafnium, Boron, Carbon and Zirconium. 
     
     
         6 . The nickel-based alloy as claimed in  claim 1 , wherein Silicon (Si) is excluded. 
     
     
         7 . The nickel-based alloy as claimed in  claim 1 , wherein Gallium (Ga) and/or Germanium (Ge) is/are excluded. 
     
     
         8 . A nickel-based DS alloy for directional solidification, comprising (in % by weight): 
       
         
           
                 
                 
                 
               
                     
                     
                 
                     
                   Cobalt (Co) 
                    10%, 
                 
                     
                   Chromium (Cr) 
                       5%, 
                 
                     
                   Molybdenum (Mo) 
                   1.9%, 
                 
                     
                   Tungsten (W) 
                   5.9%, 
                 
                     
                   Tantalum (Ta) 
                   7.2%, 
                 
                     
                   Titanium (Ti) 
                   1.0%, 
                 
                     
                   Aluminum (Al) 
                   5.6%, 
                 
                     
                   Rhenium (Re) 
                   2.0%, 
                 
                     
                   Hafnium (Hf) 
                   0.10%,  
                 
                     
                   Boron (B) 
                   0.008%,  
                 
                     
                   Carbon (C) 
                   0.12%, and 
                 
                     
                   Zirconium (Zr) 
                   0.005%.  
                 
                     
                     
                 
             
                
               
               
                
                
                
                
                
                
                
                
                
                
                
                
                
               
            
           
         
       
     
     
         9 . A component, comprising:
 a nickel-based alloy as claimed in  claim 1 .   
     
     
         10 . The component as claimed in  claim 8 , further comprising:
 grains solidified in columnar form.