Sintered bodies of yttrium-aluminum garnet, a method of...

Details Sintered bodies of yttrium-aluminum garnet, a method of... Sintered bodies of yttrium-aluminum garnet, a method of...

2008-05-13

2008-05-13

King, Roy (Department: 1793)

Compositions: ceramic

Ceramic compositions

Refractory

C501S152000, C501S153000, C264S656000, C264S659000, C264S676000

Reexamination Certificate

active

10728956

ABSTRACT:
An object of the present invention is to lower the sintering temperature required for a sintered body of yttrium-aluminum garnet, to improve the corrosion resistance of the sintered body and to prevent the reduction of the transmittance thereof. A sintered body of yttrium-aluminum garnet is produced from a source compound for yttrium and a source compound for aluminum using aluminum nitride as a sintering aid. It maybe considered that aluminum nitride reacts with alumina and yttria to generate liquid phase and to reduce the sintering temperature during the sintering process.

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