Method for preparing corrosion-resistant ceramic shapes

Details Method for preparing corrosion-resistant ceramic shapes Method for preparing corrosion-resistant ceramic shapes

1981-11-30

1983-09-13

Parrish, John A.

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

264 65, 264 86, C04B 3324

Patent

active

044041543

ABSTRACT:
Ceramic shapes having impermeable tungsten coatings can be used for containing highly corrosive molten alloys and salts. The shapes are prepared by coating damp green ceramic shapes containing a small amount of yttria with a tungsten coating slip which has been adjusted to match the shrinkage rate of the green ceramic and which will fire to a theoretical density of at least 80% to provide a impermeable coating.

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