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Re: flaking glazes

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lindwood_at_TeacherArtExchange
Date: Sat Mar 06 2004 - 23:11:57 PST

One more thing about glaze flaws:
"crawling" is when the glaze rolls back off the clay and exposes bare
clay, but doesn't fall off. Crawling happens when glaze is too thick.

Crazing is a network of cracks in the glaze due to the glaze shrinkng
more than the clay body during cooling. It is like a shirt that is too
tight.

Flaking off or "shivering" is a glaze fit or adhesion problem in the
extreme. The glaze shrinks so much that it can't stay attached and is
not adhered to the clay anymore.

Linda Woods

Visit our student's web art gallery at St.John's School

www.sjs.org
 click on "Stories of SJS," click on "Arts Stories," click on Linda
Woods' name. View artwork by Lower, and Middle School students as well
as our art archives. 

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