NiCoCrAlY- ALLOY, A POWDER, A COATING AND A COMPONENT

Abstract

A Nickel-based alloy includes (in wt %): 25.7%-27.3% Cobalt (Co), 15.0%-16.0% Chromium (Cr), 12.2%-13.2% Aluminum (Al), 0.3%-0.5% Yttrium (Y), 2.5%-3.5% Ruthenium (Ru), 0.4%-0.8% Silicon (Si), 0.4%-0.6% Tantalum (Ta), and 0.4%-0.6% Molybdenum (Mo).

1 . A Nickel-based alloy, and least comprising (in wt %), especially consisting of:
 Cobalt (Co) 25.7%-27.3%
 especially 26.5% 
   Chromium (Cr) 15.0%-16.0%
 especially 15.5% 
   Aluminum (Al) 12.2%-13.2%
 especially 12.7% 
   Yttrium (Y) 0.3%-0.5%
 especially 0.4% 
   Ruthenium (Ru) 2.5%-3.5%
 especially 3.0% 
   
       optionally
 Molybdenum (Mo) 0.4%-0.6%
 especially 0.5% 
 
 Silicon (Si) 0.4%-0.8%
 especially 0.6% 
 
 Tantalum (Ta) 0.4%-0.6%
 especially 0.5%, 
 
 
       optionally Sulfur (S)≤10 ppm. 
     
     
         2 . The Alloy according to  claim 1 , comprising:
 NiCoCrAlYRu, NiCoCrAlYRuSi, NiCoCrAlYRuMo, NiCoCrAlYRuTa, NiCoCrAlYRuSiTa, NiCoCrAlYRuSiMo, NiCoCrAlYRuTaMo or NiCoCrAlYRuSiTaMo.   
     
     
         3 . A Powder, comprising, especially consisting of,
 an alloy according to  claim 1 ,   optionally comprising a binder and/or ceramic particles.   
     
     
         4 . A Coating, comprising:
 a composition of an alloy according to  claim 1 ,   especially having a thickness in the range of 30 μm to 800 μm.   
     
     
         5 . A Component, comprising:
 a metallic substrate,   especially Nickel-based or Cobalt-based superalloy,   a metallic coating with a composition according to  claim 1 ,   and optionally a ceramic coating above the substrate and the metallic coating.