Ceramics

Ceramics

Of or pertaining to the art or technique of making objects of ceramic such as porcelain, earthenware or tile.

Industry: Arts & crafts

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Ceramics

Overglaze

Arts & crafts; Ceramics

Any surface decoration applied over the glaze surface, either as an oxide wash applied over raw glaze surface before glaze-firing, or as a lower-temperature medium fired onto a previously ...

Bullers ring

Arts & crafts; Ceramics

Special ceramic discs used to assess the firing in kilns. The measured contraction of the disc indicates the heat applied.

Overspray

Arts & crafts; Ceramics

In spraying glazes or other mediums, the small droplets and/or dust which do not settle on the object being sprayed. An adequate spray-booth is essential in order to exhaust all overspray.

Calcination

Arts & crafts; Ceramics

A high temperature heating process usually employed to change the crystalline form.e.g.flint

Calcine

Arts & crafts; Ceramics

To heat a material to a temperature high enough to drive off all chemically-combined water.

Scoring

Arts & crafts; Ceramics

Process of incising shallow grooves into surface of wet or leather hard clay in cross-hatch pattern before applying slurry and joining pieces.

Downdraft

Arts & crafts; Ceramics

Kiln where exhaust gases exit through flue at floor-level. Requires chimney to develop convection currents needed to draw off exhaust gases. Best system for reduction firing.