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Patent Searching and Data


Title:
THERMAL BARRIER COATING
Document Type and Number:
WIPO Patent Application WO/2019/168174
Kind Code:
A1
Abstract:
A thermal barrier coating which comprises a metal bonding layer that is formed of an alloy containing Al, a thermal barrier layer, and an intermediate layer that is arranged between the metal bonding layer and the thermal barrier layer. This thermal barrier coating is configured such that: the thermal barrier layer contains a compound that is represented by general formula (1); and the intermediate layer contains at least one layer that is selected from among (A)-(C) described below. (1): LnxTayHfzO(3x+5y+4z)/2 (In the formula, Ln represents an atom of one element that is selected from among rare earth elements; x is 0-1.0; y is 0.8-3.0; and z is 0-7.0.) (A) a layer which is mainly composed of hafnium oxide (HfO2) (B) a layer which is mainly composed of a compound that is composed of tantalum (Ta), hafnium (Hf) and oxygen (O) (C) a layer which is mainly composed of a compound that is composed of a rare earth element, tantalum (Ta), hafnium (Hf) and oxygen (O)

Inventors:
MATSUDAIRA TSUNEAKI (JP)
KITAOKA SATOSHI (JP)
KAWASHIMA NAOKI (JP)
YOKOE DAISAKU (JP)
TANAKA MAKOTO (JP)
HABU YOICHIRO (JP)
NAGAO MIKAKO (JP)
NODA KAZUO (JP)
ITO YOSHIYASU (JP)
OHIDE YUHEI (JP)
TAKAGI KAITO (JP)
Application Number:
PCT/JP2019/008178
Publication Date:
September 06, 2019
Filing Date:
March 01, 2019
Export Citation:
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Assignee:
JAPAN FINE CERAMICS CT (JP)
TOCALO CO LTD (JP)
International Classes:
C23C4/11; B32B9/00; B32B15/04; C23C4/073; F01D5/28; F02C7/00; C23C28/00
Foreign References:
JPH10505299A1998-05-26
JP2010511783A2010-04-15
US20060171813A12006-08-03
JP2014125656A2014-07-07
Other References:
C. WAN ET AL., ACTA MATER., vol. 58, 2010, pages 6166 - 6172
Attorney, Agent or Firm:
SUNCREST PATENT AND TRADEMARK ATTORNEYS (JP)
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