Patent ID: 9206983
Filing Date: 2015-12-08
Classification: F23M,F23R

Abstract:
1. A hot gas path component comprising: a metallic substrate disposed beneath an outer surface of the component that is exposed to a hot gas present during operation of an internal combustion engine; a thermal barrier coating (TBC) layer comprising a TBC first surface in contact with an exterior surface of the metallic substrate and a TBC second surface defining a first portion of the outer surface of the component; a powder metallurgy structure comprising a side surface that is coated by the TBC and a bottom surface that is metallurgically bonded to the exterior surface of the metallic substrate, and an interlocking geometry between the powder metallurgy structure and the TBC that further secures the powder metallurgy structure in position, wherein the interlocking geometry is formed by a structure feature extending into the TBC between the TBC second surface and the metallic substrate.