Thermal spray powder and method for forming a thermal spray coating
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United States of America Patent
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Dec 13, 2011
Grant Date -
Apr 5, 2007
app pub date -
Sep 29, 2006
filing date -
Sep 30, 2005
priority date (Note) -
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Abstract
A thermal spray powder includes granulated and sintered yttria particles obtained by granulating and sintering a raw material powder in air or oxygen. The primary particles constituting the granulated and sintered yttria particles have an average particle size between 0.5 and 1.5 μm inclusive, and 1.11 times or more as large as the raw material powder. Alternatively, the primary particles have an average particle size between 3 and 8 μm inclusive.
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