High-Density Yttria for Practical Ceramic Applications

Autor:	Adolph L. Micheli, Dennis F. Dungan, Joseph V. Mantese
Rok vydání:	1992
Předmět:	Materials science Fabrication Metallurgy Oxide Mineralogy chemistry.chemical_element Sintering Yttrium Microstructure chemistry.chemical_compound chemistry visual_art Materials Chemistry Ceramics and Composites visual_art.visual_art_medium Relative density Ceramic Yttria-stabilized zirconia
Zdroj:	Journal of the American Ceramic Society. 75:709-711
ISSN:	1551-2916 0002-7820
DOI:	10.1111/j.1151-2916.1992.tb07863.x
Popis:	This paper describes a process by which highly reactive yttria powder can be sintered to high density at a relatively low firing temperature to form a variety of useful ceramic items. The process utilizes an aqueous polymer to precipitate a yttrium precursor. The yttrium precursor is thermally treated to form a friable oxide ash. After a double-calcination-grind procedure, high-density yttria items such as substrates, crucibles, and nozzles can be fabricated.
Databáze:	OpenAIRE
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