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ceramics midterms
Question | Answer |
---|---|
Ceramicist | a person who makes ceramics |
Potter | a person who makes pots, plates, and vessels from clay, either by hand or on a potters wheel |
Earthenware | low fire clay body (tera cotta and low-fire white clays). They are still porous after firing, so need to glaze to seal it or it will absorb water. |
Stoneware | a mid to high-fire clay body. Clay can withstand high temperatures and fired vitrification - NOT porous, used mainly for dinnerware and pots |
Porcelain | a white high-fire clay body. Primary clay that was first discovered |
Air Dry Clay | clay body that is soft and moldable but air dries it to a hard state that requires no firing. Remains porous but can be painted, |
Stages of Clay | 1. Plastic 2. Leather Hard 3. Bone Dry 4. Green ware 5. Bisque ware 6. Glaze ware |
Parts of a Vessel | Mouth, Lip, Neck, Handle, Belly, Base, Foot |
Relief | a sculpture that projects from a flat surface |
Additive | the processing of joining pieces to create a form |
Subtractive | the process of removing pieces to create a form ex. carving |
Slump Mold | draping a slab of clay over the top of a form to shape it |
Hump Mold | Laying a slab of clay into a plaster mold to create a form |
Sgraffito | the act of carving through one layer of slay or underglaze to expose a different colored clay below it using a specific carving tool |
Kiln | a structure built to fire clay at high temperatures. (we have a Skutt, Electric Kiln (3 of them), Bisque Fire (Low-Fire)- 1,945 degrees) |
Bisque Firing | pieces can be touching one another or stacked on top of each other if needed- Fired Low Fire Cone 04- Slow |
Glaze Firing | pieces need to be about an inch apart from one another. Nothing can touch or else it will fuse together. Fired Low Fire Cone 04- Medium |