Patent · US Expired

Low thermal conductivity thermal barrier coating system and method therefor

US7476453B2 · kind B2 · utility

4Cited by
28References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 6, 2004
Grant dateJan 13, 2009
Priority date
Expiry dateApr 14, 2025

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF05D2300/611
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

In accordance with an embodiment of the invention, a thermal barrier coating for inclusion in a thermal barrier coating system is provided. The thermal barrier coating comprises a compound having a rhombohedral phase. In accordance with another embodiment of the invention, a thermal barrier coating is provided that comprises a compound having the formula of: A4B3O12, wherein A is at least one rare earth element; and B is selected from the group consisting of Zr, Hf and mixtures thereof.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.