Patent ID: 11946146
Assignee: GENERAL ELECTRIC COMPANY
Field: Surface technology, coating (Chemistry)
Classification: CPC C  F | IPC C  F

Claim 0:
1. An article, comprising:
a component having a thermal barrier coating on a surface thereof; and
an infiltration coating within the thermal barrier coating, the infiltration coating comprising solid oxide particles coating a portion of at least some internal pores of the thermal barrier coating, wherein the solid oxide particles are a thermal decomposition product of a liquid solution of a nitrate of one or more of aluminum, gadolinium, yttrium, or strontium; and
a reactive coating on the surface of the thermal barrier coating for reacting with dust deposits on the thermal barrier coating during use of the article, wherein the reactive coating is formed from a phase spray formulation that includes a base ceramic material and a ceramic binder material, wherein each of the base ceramic material and ceramic binder material comprises an earth oxide comprising yttrium, gadolinium, or zirconium, wherein the base ceramic material has a particle size between 1 and 10 μm, wherein the ceramic binder material has a particle size that is less than 1 μm.