Patent
Ceramic composite coating material
Reads0
Chats0
TLDR
In this paper, a method of making the coating includes sequentially depositing a metallic bond coat on the metal article, at least one MCrAlY/ceramic layer on the bond coat, and a ceramic composite top layer on MCrA/Ceramic layer.Abstract:
A ceramic coating for a metal article includes a metallic bond coat deposited on the metal article, at least one MCrAlY/ceramic layer deposited on the bond coat, and a ceramic composite top layer deposited on the MCrAlY/ceramic layer. The M in MCrAlY stands for Fe, Ni, Co, or a mixture of Ni and Co. The ceramic in the MCrAlY/ceramic layer comprises mullite, alumina, zircon, silimanite, sodium zirconium phosphate, fused silica, cordierite, aluminum titanate, or zirconia. The ceramic composite top layer comprises a ceramic matrix and at least one secondary phase. A method of making the coating includes sequentially depositing a metallic bond coat on the metal article, at least one MCrAlY/ceramic layer on the bond coat, and a ceramic composite top layer on the MCrAlY/ceramic layer.read more
Citations
More filters
Patent
A metallic article having a thermal barrier coating and a method of application thereof
TL;DR: In this paper, the erbia atom has an atomic mass greater than the average atomic mass of the zirconium, the yttrium, calcium, magnesium or indium and the oxygen atoms to reduce phonon thermal conductivity of the ceramic thermal barrier coating (18).
Patent
System for reduction of harmful exhaust emissions from diesel engines
Kenneth E. Voss,Timothy D. Wildman,Michael G Norris,Gary W. Rice,Anthony J Rotolico,Arthur Fabel,Gerald L Kutner +6 more
TL;DR: In this paper, the TPM level of a diesel engine exhaust stream by providing a suitable oxidation catalyst into the exhaust train was reduced by using a thermal insulative coating on the inner surface of the exhaust manifold and exhaust pipes prior to the turbocharger.
Patent
Method for forming a multilayer thermal barrier coating
Robert William Bruce,Mark Alan Rosenzweig,Jon Conrad Schaeffer,David John Wortman,Norman R. Lindblad +4 more
TL;DR: In this article, a multilayer thermal barrier coating is proposed, which is composed of substantially homogeneous layers of different ceramic materials, such that the vapors form homogeneous successive layers on the surface.
Patent
Low conductivity and sintering-resistant thermal barrier coatings
Dongming Zhu,Robert A. Miller +1 more
TL;DR: In this paper, a thermal barrier coating composition is provided, which has a base oxide, a primary stabilizer, and at least two additional cationic oxide dopants, and the base oxide is selected from zirconia and hafnia.
Patent
Coated article and method of making
Hongyu Wang,Kang Neung Lee +1 more
TL;DR: In this paper, a modified mullite coating is applied to a silicon-containing substrate and a modifier component is added to reduce cracks in the modified mollite coating, which functions as a bond coating between the external environmental/thermal barrier coating and the silicon containing substrate.
References
More filters
Patent
Thermal barrier coating system
TL;DR: In this article, a high temperature oxidation resistant thermal barrier coating system for a nickel-, cobalt-, or iron-base alloy substrate was proposed, which consists of mixtures of cubic, tetragonal, and monoclinic phases.
Patent
Ceramic thermal barrier coating with alumina interlayer
TL;DR: In this paper, a ceramic thermal barrier coating system for superalloy components subjected to high operating temperatures, such as gas turbine engine airfoils, is disclosed which includes a high purity alumina interfacial layer between the metallic substrate and the ceramic overcoat to better resist failure by spalling.
Patent
Method of applying continuously graded metallic-ceramic layer on metallic substrates
TL;DR: In this article, a continuous graded metallic-ceramic layer and an outer layer of abradable ceramic material are applied to a metal substrate and a metallic bond coat is applied to maintain low stress to strength ratios across the depth of the graded layer.
Patent
Titania doped ceramic thermal barrier coatings
TL;DR: A ceramic thermal barrier coating system for superalloy components subjected to high operating temperatures, such as gas turbine engine airfoils, is described in this paper, which includes a titania doped interfacial layer between the metallic substrate and the ceramic overcoat to better resist failure by spalling.
Patent
Ceramics-coated heat resisting alloy member
Yoshitaka Kojima,Akira Mebata,Akihiko Chiba,Ryoichiro Ohoshima,Norio Watanabe,Yukiyoshi Hara +5 more
TL;DR: In this paper, the authors proposed the use of a ceramic-coated heat-resilient alloy member for improving the power efficiency of gas turbine plants used for power generation.