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US 4,571,086 AGranted
Mixing of ceramic powders
AssigneeRockwell International Corporation
InventorsJohn R. Wooten, Robert J. Walter, Thomas M. Shaw
Life of this patent
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Abstract
A process of preparing ceramic powders for sintering comprises the steps of dispersing ceramic powders and sintering aids in a low-boiling dispersing liquid to form a suspension, ultrasonically vibrating the suspension to defloculate agglomerates which may have formed, and continuing the ultrasonic vibration until the dispersing liquid is evaporated.
Claims3
A process of preparing ceramic powders prior to sintering, comprises the steps of:
- dispersing a ceramic powder and sintering aids in a low-boiling dispersing liquid to form a suspension;
- ultrasonically vibrating said suspension to defloculate agglomerates which may have formed;
- and
- continuing to ultrasonically vibrate the suspension until said dispersing liquid is evaporated.
1 more element
Dependencies are inferred from the claim text.