Discussion
Crazing of a glaze is a network of fine cracks caused by the glaze being
Answer: D
Correct answer: left in tension as the piece cools down
Crazing occurs when the glaze contracts more than the body on cooling, so it ends up stretched over a body that will not shrink with it and relieves the stress by cracking. The remedy is to lower the glaze’s thermal expansion or raise the body’s until the glaze finishes in slight compression - which is also stronger, since a glaze in compression resists impact better.
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