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20 terms

Intro to Ceramic Final Exam

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Ceramics
term describing anything made of clay. it can be pottery or sculpture.
pottery
loosely applied term for functional objects made of clay.
clay
a fine particle of decomposed granite that is plastic and can be formed.
porosity
tiny pores in the clay to allow the escape of water during drying and firing.
Plasticity
a property of clay that allows it to receive and retain form.
Earthenware
low-fire clay, usually red or brown, not- vitreous and porous. it is usually fired to 1800 degrees.
stoneware
high fire ceramics, usually tan or gray, non- porous. it is usually fired to about 2400 degrees.
plastic
clay that is moist and workable it can still be shaped and added onto.
greenware
any clay object that has not been fired.
vitrified
the stage where the clay body melts, becomes glass- like and waterproof.
Glazeware
clay that has been fired with a glass- like material, which makes it waterproof.
collaring
the process of making the clay narrower on the wheel as in a bottle form.
pulling
used for creating handles. use of water and movement as the clay is squeezed through the hands
loop tool
a versitile tool used for trimming, carving and removing clay material from a ceramic piece.
calipers
an insturment used to measure the inside and outside diameter of an object.
rasp
a tool for shaving and smoothing leather- hard clay.
excising
cutting the background or negative space and leaving the positve space intact.
additons
using clay coils, slabs, balls, bottons, or slip to enhance a pot.
cones
small clay forms that are compounded to bend and melt at specific temperatures. used to measure the temperature while firing.
stilt
a ceramic tripod where glaze ware is set in the kiln to prevent form sticking.