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13 Cards in this Set
- Front
- Back
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Types of clay bodies |
Earthware stoneware porcelain |
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Maturing temperature |
The temperature at which clay particles approach fusion and form a glassy matrix. |
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Vitrify |
To fire to the point of glassification |
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Before you glaze your work you must |
Remove fingerprints and dust |
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How many coats of glaze and thickness of glaze to put on |
2 medium coats |
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Should coats of glaze go in opposing or the same directions |
Opposite directions |
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When should you apply glaze |
Over bisquare |
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Bisquare |
After clay is fired |
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How much does clay shrink in the kiln |
10-15% |
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What does wedging do |
Aligns platelets Evens texture Eliminates air pockets Homogenizes clay (makes moisture consistent) |
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Stages of clay |
Slip- liquid Plastic (normal) - put in bag Leather hard - cheese hard Bone dry or greenware - not fired first time Bisquare - fired first timeGlazed - fired second time Glazed - fired second time |
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What are glazes mostly made of |
Silica/ flint/ quartz |
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What are the components of glazes |
Silica - glass former Flux - lowers the fusion point of silica Refractory element- adds toughness |
