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

Spalling

Arts & crafts; Ceramics

Defect in repeatedly fired clay materials where outer layers shrink and peel away - most often occurs in kiln hot-face when refractories are repeatedly fired beyond their rated temperature.

Modulus of elasticity

Arts & crafts; Ceramics

The term used to define the extent a material can be distorted under stress withot fracture.

Bentonite

Arts & crafts; Ceramics

Clay formed from airborne volcanic ash. Finest particles of any clay, extremely plastic, shrinkage too high to be used alone. 2% to 3% added to clay will increase plasticity, added to glaze will ...

Montmorillonite

Arts & crafts; Ceramics

Clays such as bentonite, resulting from the breakdown of airborne volcanic ash. The finest particle-size of all clays. Very high shrinkage, and generally used only as an additive to claybodies or ...

Black-figure style

Arts & crafts; Ceramics

In ancient Greek ceramics, late Archaic and early Classical style in which figure first dominates, and where figures are in black against a red background.

Mould

Arts & crafts; Ceramics

The shape usually made of plaster used to form the article either by casting or pressing.

Blackware firing

Arts & crafts; Ceramics

Bonfire-firing which is smothered with manure and/or sawdust at maximum temperature and then buried in sand, dirt, or ash, to trap smoke, causing wares to turn black.