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US 10,947,615 B2Granted
Thermal barrier coating film, turbine member, and thermal barrier coating method
AssigneeMitsubishi Heavy Industries, Ltd.
InventorsTaiji Torigoe, Yoshifumi Okajima, Daisuke Kudo, Hiroyuki Mitsui, Masahiko Mega, Shuji Tanigawa
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Abstract
A thermal barrier coating film includes a bond coat layer that is a metallic bond layer formed on a base material; a topcoat layer that is a ceramic-containing layer formed on the bond coat layer; and at least one of a protective layer and a protective substance. The protective layer is formed on the topcoat layer and mainly contains SrSO4. The protective substance is provided in a plurality of void spaces included in the topcoat layer and mainly contains SrSO4.
Claims10
A thermal barrier coating film comprising:
- a bond coat layer that is a metallic bond layer formed on a base material;
- a topcoat layer that is a ceramic-containing layer formed on the bond coat layer;
- and
- at least one of a protective layer formed on the topcoat layer and mainly containing SrSO4 and a protective substance provided in the interior of a plurality of void spaces included in the topcoat layer, the protective substance mainly containing SrSO4.
1 more element
Dependencies are inferred from the claim text.