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What I think is even more interesting than the surface of a pot melt is the cross section. Try cutting strips and from the potmelt.

Barbara

Can I get the stain off the piece I fired?

Okay, so I fired a bunch of tests in my kiln of silver leaf and its affect on different glass colors. I must have "fumed" my kiln shelf. Lazy girl didn't scrape and re-wash her shelf because a: the wash was intact b: she was only firing test tiles c: she is lazy d: all of the above And the...

Wow, 25 inch diameter! How deep is your kiln?

Barbara

Jerry wrote: No, it hasn't happened. My guess is that the minerals in the rocks don't actually mix with the glass. Maybe if I increased the temp a few hundred degrees I'd have that problem, but I probably won't do that.

Jerry

is the glass fused to the rocks or are they loose?

COE may be a problem if several different types of rocks are encased. They are minerals and have their own expansion rates. How they would do jammed in together is anybody's guess. However, when I dry mine I put them all into a bucket in the kiln. If there was going to be a coe problem you'd think ...

Ron, I have often wondered if it is more difficlt to cut glass that has been fused because of trapped bubbles interrupting the running of the score. That would explain why maybe it was better cutting from the bottom if you had fused on a sheet of glass and trapped bubbles that rose near to the surfa...

Cynthia, I haven't tried either yet, but our sponsor Fusion HQ has Super Spray which matures at 1350 and a bending glaze which matures at 1100. Roger Thomas seems to use the Bending Glaze a lot. Might be worth a try.

Barbara

morphs and all that. Threads morph. there is a natural progression, digression, degression in any conversation and I would not expect threads to be any different. Along the same lines, there are times when inserting a photo in a non photo thread might help to illustrate a point in a discussion. So s...

Years ago I spent a month in Dordogne with grandparents, aunts, uncles and cousins. I wanted to see Lascaux, which was closed while they were constructing the facsimile of Lascaux. My grandfather tried to get us in, the minister of whatever department is in charge of the caves was his friend. He was...

A student's learning experience is also greatly influenced by the host, the center where the teacher is teaching. I am fortunate to live close to Vitrum Studios where we have some wonderful people coming to teach in a spacious studio with friendly, generous hosts. I have also experienced the opposit...

Cynthia, when you flip, do you have to blast the surface to clean off any residual kiln wash? I sometimes get scummy top when flipping.

B

Nice piece btw. Will I be seeing it in person next month?

Ron, My theory is it is the texture of the blasted surface. I was going to see if one of my friends has one of those Intel digital microscopes that connects to the USB port of the computer and compare the surfaces- but now the silicon carbide is out of the blaster, and it's a real project to put it...

The variation in thicknesses may be your problem. In addition to slowing down, maybe try a few 15 minute soaks on the way up to 1100 to ensure evenivity of temperature throughout the piece. Anyway, that's what I would do.

Barbara

Dave your split fusing at the edges suggests a thermal shock on the way up. If you have varying thicknesses in the piece, that could account for your thermal shock. You are going up pretty slowly. Maybe a couple of soaks along the way? Oh wait! I just looked at your schedule again. Was this a slump ...

or the ceramaguard wrapped in fiber paper. Then you should be able ot pull it out in one piece and use it more than once.

Barbara

Aero chocolate bar?

must be a Canadian thing....

smartiepants

Valerie, you need to fuse the scraps together before you slump.

Barbara

Getting a bit off topic here!! I am telling this next story, not because I think you would do these things, but because your question made me think of this particular class experience, and after the fact, it's rather funny. It wasn't then. I had a class experience a year ago where there was one stu...

Ron, it is wonderful. Like Jim, my brain is tantalized by your ability to overcome the force of gravity. You just keep on testing the limits, pushing them further and further out!

Congratulations!
Barbara

p.s. that is the box you promised me, isn't it???