Sprayed article and making method
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United States of America Patent
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Nov 27, 2018
Grant Date -
Apr 9, 2015
app pub date -
Oct 8, 2014
filing date -
Oct 9, 2013
priority date (Note) -
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Abstract
A sprayed article is prepared by thermally spraying ceramic particles of rare earth oxide or fluoride or metal particles of W, Mo or Ta onto an outer or inner surface of a cylindrical carbon substrate to form a sprayed coating, and burning out the carbon substrate, thus leaving the ceramic or metal-base sprayed coating of cylindrical shape having a wall thickness of 0.5-5 mm.
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