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geometric style

Posted On December 11, 2008 0 Comments
  In ancient Greek ceramics, early pre-Classical (Archaic) style featuring intricate geometric slip decoration. Source: Clay: A Studio Handbook

G-200

Posted On December 11, 2008 0 Comments
  K2O×Al2O3×6SiO2—common potash feldspar, HT alkaline flux—close match to Custer. Toxic in inhalation. Source: Clay: A Studio Handbook

fusion; fused

Posted On December 11, 2008 0 Comments
  In the glaze-melt, the point where dissolution of sintered structure is complete, and all refractory particles are dissolved into the glaze melt, forming a fused material—one that has melted to liquid. Source: Clay: A Studio Handbook

fuming

Posted On December 11, 2008 0 Comments
  Process of introducing metallic salts into kiln or onto wares at about cone 018, producing thin layer of metallic surface iridescence. Source: Clay: A Studio Handbook

fritting; fritted

Posted On December 11, 2008 0 Comments
  The process of melting particular ceramic materials to a glass and then crushing and grinding to form a frit.  Source: Clay: A Studio Handbook

frit

Posted On December 11, 2008 0 Comments
  Combinations of ceramic materials that have been melted to a glass and crushed/ground back to a powder, in order to give greater chemical stability and to eliminate toxicity resulting from water solubility of raw material. All frits are ground glass and are toxic in inhalation. FERRO 3124—high-alumina calcium-borate frit, gives greater strength in LT… Read More »

fracture plane

Posted On December 11, 2008 0 Comments
  Fracture zone that results when clay components are pressed straight together without disrupting the surface (by scoring and adding slurry or by smearing together) to intermix the platelates. Parts hold together while wet and tacky, but will separate easily when dry or fired. Source: Clay: A Studio Handbook

forced-draft

Posted On December 11, 2008 0 Comments
  Direct-connected exhaust system equipped with suction fan, used on commercial furnaces, but never on studio ceramic kilns. Term often mistakenly used to refer to forced-air system. Source: Clay: A Studio Handbook

forced-air

Posted On December 11, 2008 0 Comments
  Firing system in a fuel-burning kiln that uses power-driven blowers or other pressurized air source to entrain primary air.  Source: Clay: A Studio Handbook

foot

Posted On December 11, 2008 0 Comments
  Base of a ceramic piece.  Source: Clay: A Studio Handbook