Apr 21 2017 explore lsimmons s board bubble glaze on pinterest.
Ceramics glaze bubbles.
Rutile blue tend to be quite sensitive to thick application and fast firing and cooling and bubbling problems with them seem out of place.
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.
The author hedy yang is a ceramic artist from novi michigan.
Pyrites sulphates some fluid glazes i e.
Fire it in the glaze kiln and enjoy your new bubble patterned piece.
She is a studio technician at the michigan art center and started.
I used a plate i made out of a medium fire clay that i bisque fired.
I have experimented with different glazing techniques and consistencies of glaze.
When the glaze is applied i see little air bubbles which i rub down.
The firing is cone 6 7 with a slow cooling down cycle.
In some cases there will be some unburst bubbles with a fragile dome than can be broken.
Blisters are evident on the fired glaze surface as a moonscape of craters some with sharp edges and others rounded.
See more ideas about pottery techniques ceramic techniques glazes for pottery.
The lines of glaze should be thin and smooth against the piece.
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.