Goods and manufacturing methods for high temperature use

Japanese Patent JP6342379

B2

Articles having coatings that are resistant to high temperature degradation are described, along with methods for making such articles. The article (100) comprises a coating (110) disposed on a substrate (120). The coating (110) comprises a plurality of elongated surface-connected voids (130). The article (100) further includes a protective agent (150) disposed within at least some of the voids (130) of the coating (110); the protective agent (150) comprises a substance capable of chemically reacting with liquid nominal CMAS to form a solid crystalline product outside the crystallization field of said nominal CMAS. This solid crystalline product has a melting temperature greater than about 1200 degrees Celsius. The method generally includes disposing the protective agent (150) noted above within the surface connected voids (130) of the coating (110) at an effective concentration to substantially prevent incursion of CMAS materials into the voids (130) in which the protective agent (150) is disposed.

WO/2014/053751	METHOD FOR PRODUCING AN AERODYNAMIC PART BY OVERMOULDING A CERAMIC SHELL ONTO A COMPOSITE PREFORM
JP3131029	INDUSTRIAL APPLICABILITY: Aluminum nitride substrate and method for producing the same

Kristen Hall Brosnan
Shahana Chattage
Wayne Charles Hass
Mohandas Nayak
Diganver Gludas Polov
Gopi Chadran Ramachandran
Larry Stephen Rosenzweig
Shankar Shivarama Krishnan
Alok Mani Shree Vastava
Bencut Sabra Mani Arm Ven Katara Mani

JP2015239806A

June 13, 2018

December 09, 2015

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GENERAL ELECTRIC COMPANY

C04B41/89

JP3208807A
JP2006193828A

WO2013103425A2

Arakawa Satoshi
Hirokazu Ogura
Toshihisa Kurokawa
Takuto Tanaka

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