Patent ID: 11952916
Assignee: RTX CORPORATION
Field: Surface technology, coating (Chemistry)
Classification: CPC F  B  C | IPC F

Claim 0:
1. A coated blade root/disk interface, comprising:
a blade having a blade root;
a disk having a socket, the blade root being engaged in the socket with contact surfaces defining at least one interface between the blade root and the socket of the disk;
a coating at the at least one interface, wherein the coating comprises a layer of soft metal matrix, and a solid lubricant distributed through the soft metal matrix, wherein the soft metal matrix is CuAl, and wherein the solid lubricant is molybdenum disulfide, wherein the layer contains between 10 and 20 weight percent of solid lubricant, between 80 and 90 weight percent of soft metal matrix, and between 2 and 8 weight percent of aluminum, with balance copper.