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US 2026/0092343 A1Published application
High entropy alloy-based compositions and bond coats formed therefrom
AssigneeGeneral Electric Company
InventorsSrinivasan Swaminathan, Shalini Thimmegowda
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Abstract
A high entropy alloy-based composition is provided that has the formula: (M1aM2bM3cM4dM5eM6f)CrAlY1-x-zZrxMoz where: each of M1, M2, M3, M4, M5, and M6 is a different alloying element selected from the group consisting of Ni, Co, Fe, Si, Mn, and Cu such that none of M1, M2, M3, M4, M5, and M6 are the same alloying element; 0.05≤a≤0.35; 0.05≤b≤0.35; 0.05≤c≤0.35; 0.05≤d≤0.35; 0.05≤e≤0.35; 0≤f≤0.35; a+b+c+d+e+f=1; 0≤x≤1; 0≤z≤1; and 0≤x+z≤1.
Claims20
A high entropy alloy-based composition having the formula:
- where:
- each of M1, M2, M3, M4, M5, and M6 is a different alloying element selected from the group consisting of Ni, Co, Fe, Si, Mn, and Cu such that none of M1, M2, M3, M4, M5, and M6 are the same alloying element;
- 0.05
- ≤
- a
- ≤
- 0.35
- ;
- 0.05
- ≤
- b
- ≤
- 0.35
- ;
- 0.05
- ≤
- c
- ≤
- 0.35
- ;
- 0.05
- ≤
- d
- ≤
- 0.35
- ;
- 0.05
- ≤
- e
- ≤
- 0.35
- ;
- 0
- ≤
- f
- ≤
- 0.35
- ;
- a
- +
- b
- +
- c
- +
- d
- +
- e
- +
- f
- =
- 1
- ;
- 0
- ≤
- x
- ≤
- 1
- ;
- 0
- ≤
- z
- ≤
- 1
- ;
- and
- 0
- ≤
- x
- +
- z
- ≤
- 1.
69 more elements
A coated component, comprising:
- a substrate having a surface, wherein the substrate comprises a metal;
- a bond coat on the surface of the substrate, wherein the bond coat comprises a plurality of layers;
- and
- a thermal barrier coating on the bond coat,
- wherein each of the plurality of layers of the bond coat comprises 80% by weight or greater of a high entropy alloy-based composition having the formula:
- where:
- each of M1, M2, M3, M4, M5, and M6 is a different alloying element selected from the group consisting of Ni, Co, Fe, Si, Mn, and Cu such that none of M1, M2, M3, M4, M5, and M6 are the same alloying element;
- 0.05
- ≤
- a
- ≤
- 0.35
- ;
- 0.05
- ≤
- b
- ≤
- 0.35
- ;
- 0.05
- ≤
- c
- ≤
- 0.35
- ;
- 0.05
- ≤
- d
- ≤
- 0.35
- ;
- 0.05
- ≤
- e
- ≤
- 0.35
- ;
- 0
- ≤
- f
- ≤
- 0.35
- ;
- a
- +
- b
- +
- c
- +
- d
- +
- e
- +
- f
- =
- 1
- ;
- 0
- ≤
- x
- ≤
- 1
- ;
- 0
- ≤
- z
- ≤
- 1
- ;
- and
- 0
- ≤
- x
- +
- z
- ≤
- 1.
74 more elements
Dependencies are inferred from the claim text.