Ceramics Glaze Bubbles

She is a studio technician at the michigan art center and started.

Ceramics glaze bubbles.

I used a plate i made out of a medium fire clay that i bisque fired. Use clays not containing large gas generating particles i e. The author hedy yang is a ceramic artist from novi michigan. Apr 21 2017 explore lsimmons s board bubble glaze on pinterest.

Pyrites sulphates some fluid glazes i e. When the glaze is applied i see little air bubbles which i rub down. See more ideas about pottery techniques ceramic techniques glazes for pottery. Blisters are evident on the fired glaze surface as a moonscape of craters some with sharp edges and others rounded.

The firing is cone 6 7 with a slow cooling down cycle. Efforts are made to create a dense laydown to reduce air pockets in dried glaze layer. Fritted glazes generate far fewer bubbles although they can still come from the clay portion of the recipe used for suspending the glaze slurry binders used for hardening and from colorants under the glazes. In this video i demonstrate how to do the bubble glaze technique for ceramics.

I have experimented with different glazing techniques and consistencies of glaze. Apply the glaze in a thinner layer to minimize its ability to contain large bubbles. These craters are the remnants of bubbles that have burst during final approach to temperature or early stages of cooling. If the dried bubbles leave behind thick crumbs of glaze you ve applied too much.

Fire it in the glaze kiln and enjoy your new bubble patterned piece.