Yttrium oxide ceramic body

Details Yttrium oxide ceramic body Yttrium oxide ceramic body

1986-10-06

1988-07-05

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Refractory

501152, 423263, 264 12, 264 65, 264 66, C04B 3550, B29D 1100

Patent

active

047554924

ABSTRACT:
A sinterable yttrium oxide powder is produced useful for pressureless sintering a compact thereof into an optically translucent or transparent body. The yttrium oxide powder has a specified particle size range and specific surface area. It is formed by preparing yttrium oxalate hydrate powder by means of the wet chemical oxalate method, comminuting the yttrium oxalate hydrate powder to a required degree and calcining the yttrium oxalate hydrate.

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patent: 4606847 (1986-08-01), Woodhead
Palilla et al., "The Relationships Between Powder Properties, Sintered Microstructures and Optical Properties of Translucent Yttria", from Materials Characterization for Systems Performance and Reliability, 1986.

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