Composite powder containing yttria and method for manufacturing same
AssigneesMico Co., Ltd., Komico Ltd.
InventorsDeul Kim, Sungyong Kim, Heejin Jo, Dae Sung Kim, Dong Hun Jung, Seongsik Bang, Yechan Kim
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Abstract
Provided are a method for manufacturing a composite powder and a composite granular powder manufactured by the method, the method including: preparing a slurry in which a yttria powder, a magnesia powder, a solvent, and an organic additive are mixed; performing ball milling on the slurry; and drying the slurry to produce a granular powder containing the yttria powder and the magnesia powder, wherein the granular powder contains yttria crystals and magnesia crystals.
Claims13
A method for manufacturing a composite powder, the method comprising:
- preparing a slurry in which a yttria powder, a magnesia powder, a solvent, and an organic additive are mixed;
- performing ball milling on the slurry;
- and
- drying the slurry to produce a granular powder containing the yttria powder and the magnesia powder,
- wherein the granular powder contains yttria crystals and magnesia crystals.
A composite granular powder, comprising a yttria powder and a magnesia powder, wherein the volume ratio (vol %) of the yttria powder to the magnesia powder is 30:70 to 70:30.
Dependencies are inferred from the claim text.