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Most Active In:: Clay and Glaze Technical (61 posts)
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Iforgot forgot

Posts I've Made

In Topic: making petrified wood

Posted 17 May 2013

jrgpots, on 14 May 2013 - 11:10 AM, said:
MichaelP, on 14 May 2013 - 10:06 AM, said:
jrgpots, on 13 May 2013 - 11:19 PM, said:
How about injecting Argon through the ramping and then turning it down during transition and hold time? Would that help in carbon trapping or allow reduction as some oxygen returns to the kiln. Some of the carbon would be burned to act with other reducing agents?

I'd think that loss of carbon, especially on or close to the surface, is a realtively quick process.So as long as you have oxygen around and the tempearture is sufficient, decarburization is almost inevitable. Naturally, if you shorten exposure time to oxygen, you may, potentially, keep more carbon deep inside, but will you achieve your goal then?

How about this... Place a piece inside of a saggar. horse hair or other combustables on the pottery. Low fire it in an Argon environment. Continue the Argon until about 600 degree on the cooling cycle, then stop the Argon. The result, horse hair pottery in an electric kiln?? OK, Ok I realize my dream is fading fast. WHy would anyone go to that much effort when the original method of horse hair pottery works so well?

If you really want to do horse hair in an electric kiln, place pots on top shelf, heat to cone 019 remove with tongs and place on firebrick. Then drape the hair on the pots. The whole process takes about 4 hours including cooling.
In Topic: Pricing Labels

Posted 17 May 2013

I was a show recently and a potter had printed out her "logo" (a beautiful landscape photograph) on cardstock and cut it into large tag sized pieces and wrote the price on the back, punched a hole in it, and tied it to the pot with a kind of jewelry wire that likes like that really bendy green garden wire, just silver, and because it was sturdier than string she could tie her tags to the smallest little curve in a pot, otherwise, if the piece had no neck or place to tie it she would tape it to the foot. I have rice paper tags that I tie on with string or place inside the pots.

Good Luck!

Darrel
In Topic: Recommended Glazes

Posted 16 May 2013

I would recommend Snowy Plum by Coyote.
In Topic: Wax On, Wax Off,

Posted 14 May 2013

I am so glad you asked, I Just found a way to get all the wax out of brushes.

1 - soak brushes un boiling hot water for about 2 min

2 - pull brushes out and while hot shampoo the bristles of the brush with fabric softener.

3 - rinse brushes

4 - repeat steps 1 - 3 two to three tomes

5 - Soak brushes in Coca-Cola for 24-48 hours (This is the trick)

Good Luck!

Darrel
In Topic: How to make a rain stick?

Posted 13 May 2013

I have seen people extrude a tube or throw a tall, narrow cylinder, then fire it, usually w/o glaze on the inside. Next you would put leather or fabric on one end and secure it with glue and cord, next you would pour dried beans into the tube and cover the other end. Also you may get better sound if you create ridges on the inside of the tube when forming.

Good Luck!

Darrel