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US 2025/0146117 A1Published application
Ceramic thermal spray particles and method for forming thermal barrier coating layer
AssigneeMitsubishi Heavy Industries, Ltd.
InventorsTaiji TORIGOE, Yoshifumi OKAJIMA, Masahiko MEGA, Hiroki KOMURO, Kazuma TAKENO
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Abstract
Ceramic thermal spray particles according to the present invention contain ZrO2 and Yb2O3, wherein the standard deviation of the content of the Yb2O3 is 2-7.0 mass %.
Claims8
Ceramic thermal spray particles comprising ZrO2 and Yb2O3,
- wherein a standard deviation of content of Yb2O3 is 2 mass % or more and 7.0 mass % or less.
A method for forming a thermal barrier coating layer, the method comprising:
- a metal bonding layer forming step of forming a metal bonding layer on a substrate;
- and
- a ceramic layer forming step of thermally spraying ceramic thermal spray particles to the metal bonding layer onto form a ceramic layer,
- wherein the ceramic thermal spray particles contain ZrO2 and Yb2O3, and
- a standard deviation of content of Yb2O3 in the ceramic thermal spray particles is 2 mass % or more and 7.0 mass % or less.
2 more elements
Dependencies are inferred from the claim text.