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In slow motion. This is Plainsman Snow clay, a super white burning dolomite body. 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 adhered 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 many times it bounces on the handle!
Glossary |
Fired Strength
Ceramics, by their brittle nature, have high compressive strength. But in functional ceramics we are more concerned about the tensile strength as this relates better to serviceability. |
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