MCrAlX-alloy, powder, coating for protection against corrosion and oxidation and for bonding ceramic insulating coating and component
A MCrAlX-alloy, powder, coating for protection against corrosion and oxidation and for bonding ceramic insulating coating and component. The nickel-based alloy NiCoCrAlY includes: Cobalt (Co) 24.5%-26.5%; Chrome (Cr) 14.5%-16.5%; Aluminum (Al) 11.6%-12.6%; Yttrium (Y) 0.3%-0.5%; Iron (Fe) 4.0%-5.0%; Tantalum (Ta) 0.6%-0.8%; Molybdenum (Mo) 0.4%-0.6%; Silicon (Si) 0.4%-0.6%.
1 . A nickel-based alloy, consisting of (in wt %):
Cobalt (Co)
25.5%
Chrome (Cr)
15.5%
Aluminum (Al)
12.1%
Iron (Fe)
4.5%
Tantalum (Ta)
0.7%,
Molybdenum (Mo)
0.5%
Silicon (Si)
0.5%
Sulfur (S)
≤10 ppm,
no Rhenium (Re) or Ruthenium (Ru), and a balance of Nickel (Ni).
2 . A powder, comprising:
an alloy according to claim 1 ,
optionally comprising a binder and/or hard or ceramic particles.
3 . A coating, having
a composition of an alloy according to claim 1 ,
comprising a thickness in a range of 30 μm to 800 μm.
4 . A component, comprising at least
a metallic substrate comprising a Nickel-based or Cobalt-based superalloy,
a metallic coating with a composition according to claim 1 , and
a ceramic coating above the metallic substrate and the metallic coating.
5 . The component according to claim 4 ,
wherein the ceramic coating comprises a Zirconia based composition, partly or fully stabilized.
6 . A coating produced with a power of claim 2 ,
comprising a thickness in a range of 30 μm to 800 μm.
7 . A component, comprising at least
a metallic substrate comprising a Nickel-based or Cobalt-based superalloy,
the coating according to claim 3 ,
and a ceramic coating above the metallic substrate and the coating.
8 . A nickel-based alloy, consisting of (in wt %):
Cobalt (Co)
24.5%-26.5%
Chrome (Cr)
14.5%-16.5%
Aluminum (Al)
11.6%-12.6%
Hafnium (Hf)
0.3%-0.5%
Iron (Fe)
4.0%-5.0%
Tantalum (Ta)
0.6%-0.8%
Molybdenum (Mo)
0.4%-0.6%
Silicon (Si)
0.4%-0.6%
Sulfur (S)
≤10 ppm,
no Rhenium (Re) or Ruthenium (Ru), and a balance of Nickel (Ni).
9 . A nickel-based alloy, consisting of (in wt %):
Cobalt (Co)
24.5%-26.5%
Chrome (Cr)
14.5%-16.5%
Aluminum (Al)
11.6%-12.6%
Iron (Fe)
4.0%-5.0%
Tantalum (Ta)
0.6%-0.8%
Molybdenum (Mo)
0.4%-0.6%
Silicon (Si)
0.4%-0.6%
Sulfur (S)
≤10 ppm,
no Rhenium (Re) or Ruthenium (Ru), and a balance of Nickel (Ni).