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In slow motion. This is Plainsman Snow clay, a super white burning dolomite body. Fired at cone 04. Although low-temperature ware is not as strong as stoneware it has more elasticity. Other than a tiny chip out of the base and handle, this mug still has the ring of strength. Where does this piece get all this strength? 1. It is glazed inside and out. 2. Glazes adhere well to this porous body, forming a deep interface. 3. The compression under which the glazes exist not only resists crazing but adds a lot of strength to the piece. Notice how it bounces onto the handle also!
| Glossary |
Fired Strength
Ceramics, by their brittle nature, have high compressive strength and unsurpassed surface hardness. Maximum fired strength can come at the expense of various working and fired properties, so testing is needed to reach a balance. |
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