Bat A flat disc made out of plaster, wood, or plastic which is affixed to the wheel head with clay...
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Bat A flat disc made out of plaster, wood, or plastic which is affixed to the wheel head with clay or pins. Bats are used to throw pieces on that would
A flat disc made out of plaster, wood, or plastic which is
affixed to the wheel head with clay or pins. Bats are used to throw
pieces on that would be difficult to lift off the wheel head.
Slide 5
Banding Wheel
Slide 6
A revolving wheelhead which sits on a pedestal base. It is
turned by hand and used for finishing or decorating pottery.
Slide 7
Burnishing
Slide 8
The ancient rubbing process of burnishing polishes the outside
skin of a clay pot while greatly reducing its porosity. This
finishing is done by hand, using a stone or a metal piece.
Slide 9
Coil
Slide 10
A piece of clay rolled like a rope, used in making
pottery.
Slide 11
3 things wedging does
Slide 12
1.Removes air bubbles. 2.Mixes hard and soft clay. 3.Gets clay
particles moving in one direction.
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Kiln
Slide 14
A structure for firing ceramics.
Slide 15
Oxidation Firing
Slide 16
Firing atmosphere characterized by the presence of excess
oxygen. Under such conditions, the fire burns cleanly and total
combustion results.
Slide 17
Pit firing
Slide 18
Firing technique in which fuel and vessel are placed together
in an excavated pit, sometimes covered with stones or earth.
Slide 19
Plasticity
Slide 20
The ability of clay to be molded and maintain its shape.
Slide 21
Reduction Firing
Slide 22
Firing atmosphere characterized by the shortage or absence of
oxygen. Under such conditions, combustion will be incomplete and
carbon monoxide will be created.
Slide 23
Pinch pottery
Slide 24
The simplest method of pottery manufacture, involving the
opening out and expanding of a ball or cone of clay by squeezing
the clay between the fingers, while the shape is supported by and
turned in the potter's hand. It tends to result in small,
round-based, open shapes (such as bowls).
Slide 25
Slab building
Slide 26
Hand-building technique which involves forming flat slabs of
clay and connecting them to form a vessel
Slide 27
Slip
Slide 28
Liquid mixture of clay and water that can be applied over
surface of vessel to affect color and texture. It can be used to
attach clay pieces together.
Slide 29
Wheel-thrown
Slide 30
The term used to describe vessels that have been made on the
potter's wheel.
Slide 31
SCRAFFITO
Slide 32
Carving designs into leather hard clay.
Slide 33
BISQUE ware
Slide 34
Clay that has been fired once. This clay will not break down in
water.
Slide 35
GLAZE
Slide 36
Glaze is a group of chemicals mixed in water that when fired to
the proper temperature will form a waterproof surface on your
pottery that is similar to glass.
Slide 37
BONE DRY clay
Slide 38
Clay that has no moisture. Clay in this form is ready to
fire.
Slide 39
LEATHER HARD CLAY
Slide 40
Still slightly wet and can be formed and carved. Leather hard
clay is stiff and holds its shape when handled.
Slide 41
GREENWARE
Slide 42
Clay that has not been fired. Includes leather hard and bone
dry.
Slide 43
STAIN
Slide 44
Stains are the chemicals used in glazes to create colors. They
can be mixed with clay to change the color of the clay. Some stains
that we use are Red Iron Oxide, Cobalt Carbonate, Copper Carbonate,
and Rutile.
Slide 45
GLAZE FIRE
Slide 46
Second firing where glazes melt on to the pottery.
Slide 47
Blistering
Slide 48
Blistering refers to the appearance of broken bubbles found on
the glazed surfaces of fired ceramic pieces.
Slide 49
The Foot
Slide 50
The foot refers to the bottom of a ceramic item.
Slide 51
Translucent
Slide 52
Translucent refers to transparent color, allowing color
underneath to show.
Slide 53
Stencil
Slide 54
Stencil refers to the process of using paper perforated with a
design through which color can be brushed or sponged onto a
surface.
Slide 55
Stilts
Slide 56
Stilts are supports used to separate a glazed article from a
shelf during firing.
Slide 57
Score
Slide 58
Score refers to the process of scratching tiny criss-cross
lines on areas of greenware that will be fastened together.
Slide 59
Palette Knife
Slide 60
A Palette Knife is a flexible knife with no sharp point used
for mixing or stirring color.
Slide 61
Opaque
Slide 62
Opaque refers to nontransparent color.
Slide 63
Kiln Furniture
Slide 64
Kiln Furniture consists of implements used to make full use of
a kiln's capacity (shelves, posts and stilts).
Slide 65
Kiln Wash
Slide 66
Kiln Wash is a coating used on the tops of kiln shelves and
kiln floors to protect them from glaze drippings.
Slide 67
Greenware
Slide 68
Greenware is the term used for unfired clay articles.
Slide 69
Glaze
Slide 70
Glaze is a fired finish consisting of a prepared mixture of
frit that produces a glass-like surface when fired.
Slide 71
Crawling
Slide 72
Crawling refers to a glaze defect in which the glaze pulls away
or crawls away from the bisque, leaving bare bisque areas.
Slide 73
Crazing
Slide 74
Crazing refers to a glaze defect in which hairline cracks
appear on a fired glaze surface.
Slide 75
Banding
Slide 76
Banding refers to applying color or texture to ware in
decorative bands.
Slide 77
Lip
Slide 78
The edge of the vessels opening.
Slide 79
Neck
Slide 80
Part of jar or restricted vessel between body and rim, marked
by constriction and change in orientation of vessel walls.
Slide 81
Calipers
Slide 82
A tool used to measure the diameter of round forms, for example
calipers are used to get lids to fit just right
Slide 83
Centering
Slide 84
Technique to move the clay in to a symmetrical rotating axis in
the middle of a wheel head so you can throw it.
Slide 85
Chuck
Slide 86
A piece used to aid the potter in trimming. A chuck is a form
that can hold a pot upside-down above the wheel head while the
potter trims it. Chucks are thrown and bisque fired clay cylinders
which are open on both sides.
