LARGE XENOTIME CERAMIC BLOCK AND DRY PROCESS FOR MAKING THE SAME

A ceramic block consisting essentially of substantially homogeneous (Y2O3)x.P2O5, where 0.95 x 1.05, having length LL, a width WW and a height HH, and a volume VV of at least 8×10−3 m3 essentially free of cracks throughout the volume, a density of at least 85% of the theoretical maximal density of Y...

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Bibliographic Details
Main Authors MCINTOSH JOSEPH JAMES, TIMMONS TRACEY L, LANGENSIEPEN RALPH ALFRED
Format Patent
LanguageEnglish
Korean
Published 13.05.2014
Subjects
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
GLASS
LIME, MAGNESIA
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
METALLURGY
MINERAL OR SLAG WOOL
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Summary:A ceramic block consisting essentially of substantially homogeneous (Y2O3)x.P2O5, where 0.95 x 1.05, having length LL, a width WW and a height HH, and a volume VV of at least 8×10−3 m3 essentially free of cracks throughout the volume, a density of at least 85% of the theoretical maximal density of Y2O3.P2O5 under standard conditions, and a creep rate at 1250° C. and 6.89 MPa of CR, where CR 8.0×10−6 hour−1, and method for making the same. The method utilizes a dry process where the starting YPO4-based ceramic material is synthesized by reacting anhydrous P2O5 with dry Y2O3 powder.
Bibliography:Application Number: KR20137013693