DIE CASTING SYSTEM AND METHOD
A die casting system includes a die having a plurality of die elements that define a die cavity. A charge of material is received in the die cavity. The charge of material comprises a refractory metal intermetallic composite based material system. A die casting method includes casting a component from the refractory metal intermetallic composite based material system.
1 . A method of die casting a component, comprising:
injecting a refractory metal intermetallic composite based material system into a die cavity of a die of a die casting system.
2 . The method as recited in claim 1 , wherein the refractory metal intermetallic composite based material system includes molybdenum di-silicide (MoSi2).
3 . The method as recited in claim 1 , wherein the refractory metal intermetallic composite based material system includes Nb 5 Si 3 +NbO+SiO 2 .
4 . The method as recited in claim 1 , wherein the refractory metal intermetallic composite based material system includes NbSi 2 +Nb 5 Si 3 +SiO 2 .
5 . The method as recited in claim 1 , wherein the refractory metal intermetallic composite based material system includes TaSi 2 +Ta 5 Si 3 +SiO 2 .
6 . The method as recited in claim 1 , wherein the refractory metal intermetallic composite based material system includes W 5 Si 3 +W+SiO 2 .
7 . The method as recited in claim 1 , wherein the refractory metal intermetallic composite based material system includes WSi 2 +W 5 Si 3 +SiO 2 .
8 . The method as recited in claim 1 , wherein the refractory metal intermetallic composite based material system includes a nickel aluminide based composite material.
9 . The method as recited in claim 1 , wherein the refractory metal intermetallic composite based material system includes a titanium aluminide based composite material.
10 . The method as recited in claim 1 , wherein the refractory metal intermetallic composite based material system includes a platinum aluminide based composite material.
11 . The method as recited in claim 1 , comprising heating the die prior to or during the injecting of the refractory metal intermetallic composite based material system.
12 . The method as recited in claim 1 , comprising cooling the die prior to or during the injecting of the refractory metal intermetallic composite based material system.
13 . The method as recited in claim 1 , comprising solidifying the refractory metal intermetallic composite based material system within the die cavity to form a gas turbine engine airfoil.
14 . The method as recited in claim 13 , wherein the gas turbine engine airfoil includes an internal geometry that is cast into the airfoil.
15 . The method as recited in claim 13 , wherein the internal geometry defines a microcircuit cooling scheme.
16 . A method of die casting a component, comprising:
pouring a charge of material into a shot tube of a die casting system, the charge of material comprising a refractory metal intermetallic composite based material system selected from the group consisting of a nickel aluminide based composite material, a titanium aluminide based composite material, and a platinum aluminide based composite material;
injecting the charge of material into a die cavity of a die of the die casting system by actuating a shot tube plunger within the shot tube; and
solidifying the charge of material within the die cavity to form a gas turbine engine component.
17 . The method as recited in claim 16 , wherein the gas turbine engine component includes an equiaxed structure having a randomly oriented grain structure.
18 . The method as recited in claim 16 , wherein the nickel aluminide based composite material includes a general composition of NiAl and Ni3Al.
19 . The method as recited in claim 16 , wherein the titanium aluminide based composite material includes a general composition of TiAl, TiAl2, and TiAl3.
20 . The method as recited in claim 16 , wherein the platinum aluminide based composite material includes a general composition of PtAl.