Same body, glaze, thickness, firing. Same thermal shock. Only the tile crazed?

Friday 4th September 2015

Why did the glaze on the tile craze? It is double the thickness of the walls of the mug. Thus, when quenched in ice water (BWIW test), a greater gradient occurs between the hot interior of the clay and the rapidly cooling surface.

Pages that reference this post in the Digitalfire Reference Library:

Co-efficient of Thermal Expansion, Thermal shock, Crazing

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