Patent ID: 11970950
Assignee: MITSUBISHI ELECTRIC CORPORATION
Field: Surface technology, coating (Chemistry)
Classification: CPC F  C  Y | IPC F

Claim 0:
1. A ceramic coating, comprising:
a bond coat layer formed on a substrate; and
a ceramic layer formed on the bond coat layer;
wherein the ceramic layer has a first region in contact with an interface between the ceramic layer and the bond coat layer and a second region father away from the interface than the first region from the interface,
wherein, in a cross-section along a thickness direction of the ceramic layer, the number of crack intersection points at which two or more cracks intersect per unit area in the ceramic layer is larger in the first region than in the second region, and
wherein the number of crack intersection points per unit area in the first region is 15,000 per mm2 or more and 35,000 per mm2 or less.