Composition for material for liquid metal deposition or additive manufacturing, method and product

1. A metallic powder mixture, usable for build up via liquid metal deposition or any additive manufacturing method, comprising (in wt %):

a nickel (Ni) based superalloy with a content of 20% to 60%,

a NiCoCrAlY-composition with a content of 70% to 30% and

a metallic braze material with a content between 10% to 5%,

wherein the melting point of the braze material is at least 10K lower than the melting point of the nickel based superalloy, wherein the nickel (Ni) based superalloy comprises (in wt %):

Cobalt (Co) 18.0%-19.0%

wherein the NiCoCrAlY composition comprises (in wt %):

14%-22% Chromium (Cr)

9.0%-11.5% Aluminum (Al)

0.3%-0.5% Yttrium (Y)

11%-26% Cobalt (Co)

0%-1.0% Silicon (Si),

0%-2.5% Rhenium (Re)

and remainder Nickel (Ni).

2. The metallic powder mixture according to claim 1 , comprising (in wt %):

Nickel (Ni)

from 51.00% to 58.00% 

Carbon (C)

from 0.02% to 0.05%

Chromium (Cr)

from 11.00% to 15.00% 

Molybdenum (Mo)

from 0.05% to 0.35%

Tungsten (W)

from 1.80% to 5.80%

Titanium (Ti)

from 0.10% to 0.50%

Aluminum (Al)

from 6.50% to 8.50%

Boron (B)

from 0.05% to 0.10%

Tantalum (Ta)

from 0.80% to 2.20%

Hafnium (Hf)

from 0.20% to 0.80%

Yttrium (Y)

from 0.05% to 0.25%

Rhenium (Re)

 from 0.40% to 1.10%.

3. The metallic powder mixture according to claim 1 , wherein the nickel (Ni) base superalloy further comprises (in wt %):

Carbon (C)

0.05%-0.20%

Chromium (Cr)

 8.0%-23.0%

Tungsten (W)

 2.0%-10.0%

Titanium (Ti)

0.6%-5.0%

Aluminum (Al)

1.0%-6.0%

Boron (B)

0.005%-0.02% 

optionally

Molybdenum (Mo)

0.0%-4.5%

Tantalum (Ta)

0.0%-4.5%

Hafnium (Hf)

0.6%-1.5%

Zirconium (Zr)

0.02%-0.12%

Niobium (Nb)

0.5%-1.0%

no Yttrium (Y) and/or

no Rhenium (Re),

remainder Nickel (Ni).

4. A metallic powder mixture, usable for build up via liquid metal deposition or any additive manufacturing method, comprising (in wt %):

a nickel (Ni) based superalloy with a content of 20% to 60%,

a NiCoCrAlY-composition with a content of 70% to 30% and

a metallic braze material with a content between 10% to 5%,

wherein the melting point of the braze material is at least 10K lower than the melting point of the nickel based superalloy,

wherein the nickel (Ni) based superalloy comprises (in wt %):

Nickel (Ni)

61.6%

Carbon (C)

0.08%

Chromium (Cr)

8.25%

Molybdenum (Mo)

0.50%

Tungsten (W)

9.50%

Titan (Ti)

0.75%

Aluminum (Al)

5.55%

Boron (B)

0.02%

Tantalum (Ta)

3.20%

Hafnium (Hf)

1.30%,

no Yttrium (Y) and/or

no Rhenium (Re)

wherein the NiCoCrAlY composition comprises (in wt %):

14%-22%

Chromium (Cr)

9.0%-11.5%

Aluminum (Al)

0.3%-0.5%

Yttrium (Y)

11%-26%

Cobalt (Co)

0%-1.0%

Silicon (Si),

0%-2.5%

Rhenium (Re)

and remainder Nickel (Ni).

5. The metallic powder mixture according to claim 1 , wherein the braze alloy comprises (in wt %):

Nickel (Ni)

40%-70% 

Chromium (Cr)

8.0%-23.0%

Cobalt (Co)

5.0%-20.0%

Aluminum (Al)

1.0%-10.0%

Boron (B)

0.5%-4.00%

optionally

Tantalum (Ta)

1.0%-4.0%

Molybdenum (Mo)

0.0%-5.0%

Hafnium (Hf)

0.05%-0.09%

Tungsten (W)

 2.0%-10.0%

Titanium (Ti)

0.5%-5.0%

no Yttrium (Y),

and/or no Rhenium (Re),

and/or no Carbon (C).

6. The metallic powder mixture according to claim 1 , wherein the braze alloy comprises (in wt %):

Nickel (Ni)

69.2%

Chromium (Cr)

14.0%

Cobalt (Co)

10.0%

Aluminum (Al)

 3.5%

Boron (B)

0.75%

Tantalum (Ta)

 2.5%

Hafnium (Hf)

 0.06%,

no Yttrium (Y) and/or

no Tungsten (W),

and/or no Titanium (Ti),

and/or no Molybdenum (Mo),

and/or no Rhenium (Re),

and/or no Carbon (C).

7. The metallic powder mixture according to claim 1 , wherein the metallic braze material comprises:

Silicon (Si) and/or Magnesium (Mg) and/or Manganese (Mn).

8. The metallic powder mixture according to claim 1 ,

wherein the braze material is a nickel-based alloy with at least 0.5 wt % Boron (B), and/or

at least 1.0 wt % Silicon (Si),

and/or

at least 2.0 wt % Magnesium (Mg).

9. The metallic powder mixture according to claim 1 ,

wherein the NiCoCrAlY composition consists of NiCoCrAlY and optionally Tantalum (Ta), Rhenium (Re), Iron (Fe) and/or Silicon (Si).

10. The metallic powder mixture according to claim 1 ,

wherein the NiCoCrALY composition comprises (in wt %):

20%-22%

Chromium (Cr)

10.5%-11.5%

Aluminum (Al)

0.3%-0.5%

Yttrium (Y)

1.5%-2.5%

Rhenium (Re)

11%-13%

Cobalt (Co) and

remainder Nickel.

11. The metallic powder mixture according to claim 1 ,

wherein the NiCoCrAlY composition comprises (in wt %):

15%-21% 

Chromium (Cr)

24%-26% 

Cobalt (Co)

9.0%-11.5%

Aluminum (Al)

0.05%-0.7%  

Yttrium (Y)

0.5%-2.0% 

Rhenium (Re) and

remainder Nickel.

12. The metallic powder mixture according to claim 1 ,

wherein the NiCoCrAlY composition comprises (in wt %):

22%-24%

Cobalt (Co)

14%-16%

Chromium (Cr)

10.5%-11.5%

Aluminum (Al)

0.2%-0.4%

Yttrium (Y), optionally

0.3%-0.9%

Tantalum (Ta) and

remainder Nickel (Ni).

13. A method to build up metallic material, comprising:

building up a metallic powder mixture of claim 1 .

14. The method according to claim 13 ,

wherein the building up of the metallic powder mixture is used for welding using powder cladding, wire welding or for additive manufacturing using powder beds.

15. A product, comprising:

a metallic powder mixture according to claim 1 .

16. The product according to claim 15 ,

wherein first directly on a substrate a layer of a mixture consisting of a NiCoCrAlY, and

a nickel or cobalt based superalloy is applied on the substrate,

and then layers of the metallic powder mixture are applied.