Glass to work with pottery

I have a Potter - friend who is interested in working some glass into her pottery pieces. Does anyone in this forum have any info or know any links where she might find information on what are the best types of glass to use, firing temps / schedules etc.

Or even any other artists that are melding the two arts?

I was interested in doing something along those lines myself, leaning towards making tiles with glass inlays and enamels , so I'm thinking the info might work for me as well.

Thanks, Byrd

Reply to
Byrd
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Short reply: There is ONE artist that has developed a clay that is compatible with the glass he/she is using. Unfortunately I do not knw the name.

long answer: Test, test,test

Ceramics firing temps are higher than glass. Even if you fire the glass separately at a lower temp it will crack if fused to ceramics. I am not sure but I guess it will also crack the glaze underneath, making the tile non waterproof. If fired on covex surface, the cracks are more prominent. On the bright side you need not mind the compatibility, as it cracks anyway.

Enamels are a different story.

-lauri

Reply to
Lauri Levanto

Anyway, a nice idea. That is what they learned 4500 years ago. To separate the glaze from pottery. So glass was invented.

You do have an option to fire them separately. First fire your clay. The kilnwash it with a glass grade kilnwash andcast the glass into it. It will come loose if no undrcuts. Third step is to remove (sandblast) the kilnwash off, and finally glue the glass in place.

-lauri

Reply to
Lauri Levanto

John Groth is the one artist who has developed a procedure for mixing glass and clay. He does it with COE 90 and I think he said he does it with 96 too but do not quote me. He also is one of the main sources to go to for waterjet cutting of glass. Lives in the Portland OR area.

Reply to
Greg

Thanks for the information The history of our profession is fascinating

-lauri

Reply to
Lauri Levanto

The February issue of Ceramics Monthly has an entire article on fusing glass to pottery. The firing schedule is in there also. That article is now available online for download.

thanks,

Reply to
Jacqui

Thanks for the tip. The artist ,Alfred Spivac, does not mind the cracking of the glass. If you zoom in the picture you see the cracks, prominent in the small picture associated with the schedule.

There was also another article Discovery in Turkey about mehmet Kutlu who also combines glass with clay. He prevents sticking with kilnwash and apparently the glass parts are glued in place.

-lauri

Reply to
Lauri Levanto

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