Patent ID: 7354663

Claim:
A thermal barrier coating arrangement comprising: a base material of a heat resistant alloy; and a ceramics layer formed on said base material for enhancing heat resistance of said base material; wherein said ceramics layer comprises ZrO 2 provided with Yb 2 O 3 of 15 weight % or more and 20 weight % or less as a stabilizer; wherein said ceramics layer has cracks introduced into said ceramics layer that extend in a thickness direction of said ceramics layer; wherein said cracks are introduced into said ceramics layer such that they extend in a range of Â±40Â° relative to a normal line to a face of said ceramics layer and not outside the range; and wherein said ceramics layer has fine pores formed therein and a porosity of said pores relative to said ceramics layer is 8% or more and 15% or less.