The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 11, 2013
Filed:
Jun. 24, 2010
Hideyuki Arikawa, Mito, JP;
Akira Mebata, Kitaibaraki, JP;
Yoshitaka Kojima, Hitachi, JP;
Kunihiro Ichikawa, Hitachinaka, JP;
Hiroshi Haruyama, Hitachi, JP;
Hideyuki Arikawa, Mito, JP;
Akira Mebata, Kitaibaraki, JP;
Yoshitaka Kojima, Hitachi, JP;
Kunihiro Ichikawa, Hitachinaka, JP;
Hiroshi Haruyama, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A high-temperature resistant component for, e.g., a gas turbine hot part, includes an alloy substrate containing Ni, Co, or Fe as the principal component, and a thermal barrier coating formed over the surface of the substrate via a bond coat. The thermal barrier coating includes a porous thermal-barrier layer made of ceramic and an environmental barrier layer with corrosion resistance. An impregnated layer is provided between the environmental barrier layer and the thermal barrier layer. In the impregnated layer, the thermal barrier layer is impregnated with a part of the environmental barrier layer. The thermal barrier layer is made of a porous zirconia layer, and the environmental barrier layer includes silica as the principal component. The porous zirconia layer has pores impregnated with the part of the environmental barrier layer. As a result, the high-temperature resistant component has excellent corrosion resistance and excellent heat resistance.