Powder feed composition for forming a refraction oxide coating, process used and article so produced
AssigneePraxair S.T. Technology, Inc.
InventorsJohn E. Jackson, Hideo Nitta, Katoh Shoichi, Masahiko Amano, Yasushi Kurisu, Keiichiro Ohno
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Abstract
A thermal spray powder feed coating composition composed of stabilized zirconia mixed with zircon and a selected oxide, such as yttria, to form a refractory oxide coating ideally suited for hearth rolls for annealing steel Process for producing the coating and the coated article so produced is also disclosed.
Claims2
A thermal spray powder feed composition comprising particles of zircon and yttria mixed with particles of zirconia at least partially stabilized with yttria.
A thermal spray powder feed composition comprising particles of zircon and yttria mixed with particles of zirconia at least partially stabilized with calcia.
Dependencies are inferred from the claim text.