Fcc materials of aluminum, cobalt, iron and nickel, and products made therefrom
The present disclosure relates to new materials comprising Al, Co, Fe, and Ni. The new materials may realize a single phase field of a face-centered cubic (fcc) solid solution structure immediately below the solidus temperature of the material. The new materials may include at least one precipitate phase and have a solvus temperature of at least 1000° C. The new materials may include 4.4-11.4 wt. % Al, 4.9-42.2 wt. % Co, 4.6-28.9 wt. % Fe, and 44.1-86.1 wt. % Ni. In one embodiment, the precipitate is selected from the group consisting of the L1 2 phase, the B2 phase, and combinations thereof. The new alloys may realize improved high temperature properties.
1. A composition of matter comprising:
4.4-11.4 wt. % Al;
4.9-42.2 wt. % Co;
4.6-28.9 wt. % Fe; and
57.4-86.1 wt. % Ni;
the balance being any optional incidental elements and impurities.
2. The composition of matter of claim 1 , wherein the incidental elements comprise up to 0.15 wt. % C, up to 0.15 wt. % B, up to 0.5 wt. % Hf and up to 0.5 wt. % Zr.
3. The composition of matter of claim 1 , wherein the composition of matter comprises 4.9-18.2 wt. % Co, and 4.6-17.3 wt. % Fe.
4. The composition of matter of claim 1 , wherein the composition of matter comprises 6.8-11.4 wt. % Al, 4.9-12.5 wt. % Co, 4.8-17.3 wt. % Fe, and 64.1-83.5 wt. % Ni.
5. The composition of matter of claim 1 , wherein the composition of matter comprises 4.8-10.4 wt. % Al, 5.4-38.3 wt. % Co, 5.1-26.3 wt. % Fe, and not greater than 81.9 wt. % Ni.
6. The composition of matter of claim 5 , wherein the composition of matter comprises 5.4-16.5 wt. % Co, 5.1-15.7 wt. % Fe, and 63.8-81.9 wt. % Ni.
7. The composition of matter of claim 1 , wherein the composition of matter comprises 7.5-10.4 wt. % Al, 5.5-11.3 wt. % Co, 5.3-15.7 wt. % Fe, and 71.2-78.7 wt. % Ni.
8. The composition of matter of claim 1 , wherein the composition of matter realizes a non-equilibrium freezing range of not greater than 115° C.
9. The composition of matter of claim 1 , wherein the composition of matter realizes a non-equilibrium freezing range of not greater than 90° C.
10. The composition of matter of claim 1 , wherein the composition of matter realizes a non-equilibrium freezing range of not greater than 80° C.
11. The composition of matter of claim 1 , wherein the composition of matter realizes a solvus temperature of not greater than 1280° C.
12. The composition of matter of claim 1 , wherein the composition of matter realizes a solvus temperature of not greater than 1130° C.
13. The composition of matter of claim 1 , wherein the composition of matter realizes a solvus temperature of not greater than 1095° C.
14. The composition of matter of claim 1 , wherein the composition of matter comprises precipitation phases, and wherein the precipitation phases are selected from the group consisting of L1 2 and B2.
15. The composition of matter of claim 1 , wherein the composition of matter realizes a density of not greater than 7550 kg/m 3 .
16. The composition of matter of claim 1 , wherein the composition of matter realizes a density of not greater than 7460 kg/m 3 .
17. An alloy body comprising:
4.4-11.4 wt. % Al;
4.9-42.2 wt. % Co;
4.6-28.9 wt. % Fe; and
57.4-86.1 wt. % Ni;
the balance being any optional incidental elements and impurities.
18. The alloy body of claim 17 , wherein the alloy body is in the form of an aerospace or automotive component.
19. The aerospace component of claim 18 , wherein the aerospace or automotive component is a turbine.