Turbine blade tip shroud

1. A turbine blade tip shroud, comprising:

a platform;

the platform comprising a plurality of Z-notches therein;

a plurality of seal rails positioned on the platform; and

a plurality of cavities positioned within the platform and adjacent to the plurality of seal rails with a first end opening into the plurality of Z-notches and a second end enclosed by the platform.

2. The turbine blade tip shroud of claim 1 , wherein the plurality of seal rails comprises a pressure side seal rail and a suction side seal rail.

3. The turbine blade tip shroud of claim 1 , wherein the plurality of cavities comprises a thickness of at least about 1.72 millimeters.

4. The turbine blade tip shroud of claim 1 , wherein the plurality of cavities comprises a pressure side cavity positioned adjacent to the pressure side seal rail and a suction side cavity positioned adjacent to the suction side seal rail.

5. The turbine blade tip shroud of claim 4 , wherein the plurality of Z-notches comprises first side Z-notch and a second side Z-notch.

6. The turbine blade tip shroud of claim 5 , wherein the pressure side cavity comprises a length of about 22.32 millimeters, a width adjacent to the first side Z-notch of about 5.97 millimeters, and a width of about 3.46 millimeters opposite the first side Z-notch.

7. The turbine blade tip shroud of claim 5 , wherein the suction side cavity comprises a length of about 21.5 millimeters, a width of about 3.97 millimeters adjacent to the second side Z-notch, and a width of about 3.03 millimeters opposite the second side Z-notch.

8. The turbine blade tip shroud of claim 1 , wherein the plurality of cavities comprises a uniform depth throughout.

9. The turbine blade tip shroud of claim 1 , manufactured according to an investment casting process.

10. The turbine blade tip shroud of claim 1 , manufactured according to a machining process.