Ceramics Flashcards
To be awesome.
Ceramic
Havingto do with clay or class or the making of objects from clay or class
Slip
clay that has been watered down ; acts as glue in slip/score technique. slip a fine, liquid form of clay applied to the surface of vessel prior to firing . Slip fills in pores and gives uniform
Score
to draw or make lines into clay
Wedging
Is the process og kneading the clay so as to remove air pockets and create uniform consistency of clay
Coil Method
One of the oldest ways of forming pottery . Long strands of clay which are laid on top of each otyher and joined throught blending coil to coil . coil piecescxcan ce almost any shape and any size
Stoneware
high-fire clay . Stoneware is waterproof even with Glaze; the resulting ware is sturdier than earthenware
Slab
A flattened out piece of clay ; you may usea rolling pin or slab roller to achieve a slab of clay. Clay slabs are cut to shape and joined together using scoring and wet clay called slip . Slab can be draped over or into forms , rolled around cylinders or built-up into geometric forms. Large forms are difficult because of stresses on the seams and because the slab naturally sags.
some potterget around this by working fibers into the clay body . the fibers Burn out durng the firing , leaving a network of tiny holes
Bone Dry
clay that is completely dried but not yet fired
Greenware
a term used to describe unfired clay objects in general
Bisque Ware
bisque ware that has been glaze then fired
Glaze Ware
bisque ware that has been glazed then fired
Fettling Knife
Is a specail knife-like tool with a fairly flexible blade for cutting into moist and leather-hard clay
Loop Tool
A Special Toll with a wooden handle and a wire loop at one or both ends, used for carving and hollowing out clay forms
Sprigging-On
A term used to describe the technique of adding small clay forms as decoration on the surface of pottery forms ;also called applied decoration
Slip/Score Technique
Method used in hand building to connect two pieces of clay together
Incising
Is A decoration technique , created by carving lines into clay or carving small areas out of the clay but not perforating it
Kiln
A furnace designed specifically for heating clay to the temperatures necessary to make it permanently hard and Stone Like . Kilns can be electric , natural gas , wood ,coal , fuel oil or propane . Materials used to heat the kiln can a fact the work : would ash can build up on the surface of a piece and form a glaze at a high temperatures. Some Potters introduce chemicals into the kiln to influence the effect of the firing. Famed ceramist Beatrice Wood Achieved a Luster Effect by throwing moth balls in the kiln .
Element
The Heating coils of an electric kiln .( Tired or burned-out elements refer to Elements which carry too little or no electrical currents for producing heat
Foot
The bottom of a piece that Rest upon the surface (May be wheel thrown or hand-built) there are two kinds: raised and flush
Firing
Clay is hardened by heating to a high temperature ,fusing The Clay particles . Primitive pottery is usually fired on the ground or in pits with whatever flammable material is available . Kilns allow more efficient use of materials and more control over the atmosphere during a firing . Firing has two basic atmospheres. Oxidation and Reduction, these two atmospheres will affect the color of the final piece .
Glaze
Glass-Forming chemicals , usually with colorants added , that applied in liquid form to bisque ware and fired in a kiln, forn a pleasing , usually glossly coating to the surface of the clay . Glazw can be colored , opaque ,translucent or matte
Slip Clay
Clay in liquid form
Bat
A plaster dick ot slab for clay work
Casting
A clay made from a mold . May also be referred to “plaster casting”
Casting Slip
Is liduid clay used in the process of forming objects with molds. Also referred as “slip”
China
A term which usually refers to the bone china of England, but also is asssociated with vitreous white wares and porcelain
Conditioning Coat
(glaze or underglaze): Is a this coat of color that will soak intothe greenware or bisque ware
Cone (Pyrometric Cone)
a mixture of ceramic materials that is designed to soften and bend the proper mixture of time and temperatue is reached in the intior of the kiln
Cone Plaque
Is a small clay cone holder used when cones are placed on the shelf of the kiln to stand
Come Temperature
Is the mixture of time and temprature at which the cone will bend to show the kilns temprerature on the shelf
Earthenware
A low-fire clay body which is fired to maturity at approx.2000 oF
Food-safe
A product that has been tested and determined to be safe for use on surfaces which come in contact with food or drink
Foot
The base pr the piece of Ceramic in which it reats
Glass(G)
A shiny, glass-like finsh
Kiln Wash
The refractory coating applied to the top og the kiln shelves to protect them from glaze drips
Leather-hard
Greenware that is allowed to become firm but still retains it wet look
Matte(M)
A soft finsh with little or no shine
Opaque(O)
Color which does not allow other colors to show through
Peep Hole
Small Holes in side the kiln used for viewing shelf cone and ventilating the kiln during the firing Process
Pin Holes
Tiny Holes In The Final Surface finish og a glaze or underglaze
Plasticity
Refers to the ability of clay to be formed into a shape and retain it
Posts
Artucles made of refractory material which support kiln shelves during firing
Semi-Matte
A satin-like surface which has a slight sheen to it
Semi-Opaqeu
Colors whicj generally allow only dark colors to show through
Semi-Transparent
Slightly colored and/or speckled colors which allow most colors to show through with only slight distortions
Shelf Cone Temperature
The come temperature that os fires on the shelf of a kiln . the amount of heating the ware actually receives
Sponge
Usually Refers to a natural sponge used for cleaning and decorating greenware
Transparent
Clear base colors which are free from cloudiness or distortion
Under Glaze
A Color Which is uaually applied to greenware and in most cases in covered with a glaze
Vent Holes
Small holes made by puncturing the wet greenware with a needle tool when two pieces of ware have been attched
Pich Pots
Starting with a ball of clay the potter opens a hole into the ball and forms a bowl shape throught a combination pf stroking and pinching the clay
Terra Cotta
A Brownish-Orange earthenware clay body commonly used for ceramic sculpure
Wheel Thrown
The term comes from Old English Meaning spin . A Pe
