Ceramics Glaze Bubbles

I used a plate i made out of a medium fire clay that i bisque fired.

Ceramics glaze bubbles.

The author hedy yang is a ceramic artist from novi michigan. Blisters are evident on the fired glaze surface as a moonscape of craters some with sharp edges and others rounded. Efforts are made to create a dense laydown to reduce air pockets in dried glaze layer. Apr 21 2017 explore lsimmons s board bubble glaze on pinterest.

Rutile blue tend to be quite sensitive to thick application and fast firing and cooling and bubbling problems with them seem out of place. If the dried bubbles leave behind thick crumbs of glaze you ve applied too much. Pyrites sulphates some fluid glazes i e. Apply the glaze in a thinner layer to minimize its ability to contain large bubbles.

The firing is cone 6 7 with a slow cooling down cycle. 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. When the glaze is applied i see little air bubbles which i rub down. Fire it in the glaze kiln and enjoy your new bubble patterned piece.

These craters are the remnants of bubbles that have burst during final approach to temperature or early stages of cooling. See more ideas about pottery techniques ceramic techniques glazes for pottery. Use clays not containing large gas generating particles i e. In this video i demonstrate how to do the bubble glaze technique for ceramics.

The lines of glaze should be thin and smooth against the piece.