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TERNARY CERAMIC THERMAL SPRAYING POWDER AND METHOD OF MANUFACTURING THERMAL SPRAYED COATING USING SAID POWDER

United States Patent Application

20140272171
A1
View the Complete Application at the US Patent & Trademark Office
The invention describes a method for producing ternary and binary ceramic powders and their thermal spraying capable of manufacturing thermal sprayed coatings with superior properties. Powder contain at least 30% by weight ternary ceramic, at least 20% by weight binary molybdenum borides, at least one of the binary borides of Cr, Fe, Ni, W and Co and a maximum of 10% by weight of nano and submicro-sized boron nitride. The primary crystal phase of the manufactured thermal sprayed coatings from these powders is a ternary ceramic, while the secondary phases are binary ceramics. The coatings have extremely high resistance against corrosion of molten metal, extremely thermal shock resistance and superior tribological properties at low and at high temperatures.
VOGLI, Evelina (Euclid, OH), SHERMAN, Andrew J. (Euclid, OH), GLASGOW, Curtis P. (Euclid, OH)
MESOCOAT, INC. (Euclid OH)
14/ 216,725
March 17, 2014
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT [0002] This invention was made with government support under contract DE-SC0003454 awarded by the U.S. Department of Energy (DOE). The government has certain rights in this invention.