ceramics Flashcards
ceramics
foot
the base or the part of the piece of ceramic on which it rests.
gloss
a shiny glass like finish.
kiln wash
the refactory coating applied to the top of the kiln shelves to protect them from hard glaze drips.
leather hard
greeneware that is aloud to become firm but still retains its wet look.
matte
a soft finish with little or no shine.
opaque
color which does not allow other colors to show through.
peep holes
small holes in the side of a kiln used for veiwing shelf cones and ventilating the kiln during the firing process .
pin holes
tiny holes in the final surface finish of glaze or underglaze.
plasticity
refers to the ability of clay to be formed into a shape and retain it.
posts
articles made of refactory material which support kiln shelves during firing.
semi-matte
a satin like surface which has a sight sheen to it.
semi-opaque
colors which generally which only allow dark colors to show through.
semi-transparent
slightly colored and/or speckeled colors which allow most colors to show through with only sight disortions.
shelf cone temperature
the cone tempertature that is fired on the shelf of a kiln.th amount of heating the ware actually recieves.
sponge
usually refers to a natural sponge used for cleaning and decorating greenware.There are also synthetic sponges avalibale for ceramics.
Transparent
clear base colors which are free from cloudiness or disortion.
under glaze
a color which is usually applied to greenware and in most cases is covered with glaze.
vent holes
small holes made by puncturing the wet greenware qwith a needle tool when two pieces of ware have been attached.these small holes allow the air and gases to escape during fire.Also refers to the peep holes inside of the kiln.
pinch pots
starting with a ball of clay the potter opens a hole into the ball and forms a bowl shape through a combination of stroking and pinching the clay.many coil-built pieces are constucted on top of a pinched bottom.
Terra cotta
a brownish orange earthenware claybody commonly used for ceramic sculpture.
Wheel thrown
the term throw comes from old english meaning spin.A piece of clay is placed on potters wheelhead which spins.The clay is shaped by compression while it is in motion.Often potter will use several thrown shapes together to form one piece(a teapot can be constructed from three or four thrown forms.
ceramic
having to do with clay or glassor the making of objects from clay or glass.
slip
clay that has been watered down;acts as glue in slip/score technique.slip is a fine,liquid of form and clay applied to the surface of a vessel prior to firing.Slip fills in pores and gives uniform covers.