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US 2017/0304890 A1Published application
Ceramic refractory coatings
AssigneePrince Minerals, Inc.
InventorsJeffrey J. Cieplewski, Phillip J. Aliota, James Collin Britt, Jacqueline J. Smith
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Abstract
Disclosed herein are refractory coating compositions with improved drying times, defect prevention, and gas permeability and methods for using such refractory coating compositions.
Claims26
A refractory coating composition comprising:
- a carrier liquid;
- and
- solid ceramic beads.
A refractory coating composition comprising:
- a carrier liquid;
- and
- about 40-80% by weight ceramic beads.
A refractory coating composition, comprising:
- 15-50% by weight carrier fluid;
- 30-80% by weight solid ceramic beads;
- 2.5-12% by weight graphite;
- 0.25-6% by weight clay;
- and
- 0.1-1% binder.
3 more elements
A method of centrifugally casting a metal, comprising:
- coating the interior of a centrifugal mold with a refractory coating composition comprising:
- a carrier liquid;
- and
- about 60-80% by weight ceramic beads;
- drying the refractory coating composition onto the centrifugal mold;
- centrifugally casting a molten metal into the centrifugal mold body;
- and
- separating a metal casting from the centrifugal mold body.
5 more elements
Dependencies are inferred from the claim text.