Patent ID: 11866379
Assignee: RTX CORPORATION
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  F | IPC C

Claim 0:
1. A method for coating a substrate, the method comprising:
spraying a combination of powders onto the substrate,
wherein the combination of powders comprises:
Hf0.5Si0.5O2;
Zr0.5Si0.5O2; and
HfO2 and, optionally, ZrO2,

wherein:
a molar ratio of said Hf0.5Si0.5O2 and HfO2 combined to said Zr0.5Si0.5O2 and ZrO2 combined is from 2:1 to 4:1; and
a molar ratio of said Hf0.5Si0.5O2 to said HfO2 is at least 1:3.