Y 2 O 3 spray-coated member and production method thereof

Details Y 2 O 3 spray-coated member and production method thereof Y 2 O 3 spray-coated member and production method thereof

2005-07-29

2009-02-24

Chaney, Carol (Department: 1794)

Stock material or miscellaneous articles

Composite

Of inorganic material

C427S551000, C427S454000, C427S559000, C427S456000, C427S453000

Reexamination Certificate

active

07494723

ABSTRACT:
A member is obtained by forming a Y2O3black spray coating on a surface of a substrate or covering the surface of the substrate with a Y2O3black spray coating through an undercoat or a middle layer. This coating has good heat characteristics and is good in the resistance to damaging through a high hardness. The Y2O3black spray coating is produced by subjecting white Y2O3powdery material to a plasma spraying in an inert gas atmosphere containing substantially no oxygen or by forming a Y2O3white spray coating and then irradiating an electron beam or a laser beam to this coating to melt at least a part of the white coating under heating to thereby smoothen denseness and blacken the surface of the coating.

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English Language Abstract of JP 2001-164354.
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English Language Abstract of JP 07-126827.
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English Language Abstract of JP 09-069554.
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English Language Abstract of JP 10-045461.
English Language Abstract of JP 10-045467.
English Language Abstract of JP 11-080925.
English Language Abstract of JP 11-207161.
English Language Abstract of JP 2001-031484.
JIS Using Series, “Spraying Techniques Manual”, p. 95 (Oct. 30, 1998), Japanese Standard Association), with English language translation.
English language Abstract of JP 2001-31484.
English Language Abstract of JP 59-096273.
English Language Abstract of JP 2004-010981.
U.S. Appl. No. 11/266,355 to Tsuyoshi Moriya et al., filed Nov. 4, 2005 and entitled “Method of producing ceramic spray-coated member, program for conducting the method, storage medium and ceramic spray-coated member”.
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