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Post by mariewright on Nov 10, 2015 14:14:19 GMT -6
Hi All,
Thanks for all your help with my new batch of 644 - both online and offline. It was definitely a melting problem, and I tried several tweaks to the formula, but what really did the thing was a new firing schedule. Thanks so much for your help!
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Post by mariscal on Nov 10, 2015 14:38:13 GMT -6
Hi Marie fantastic pot, nice blue and nice form too
Jose
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Kuba
Full Member
SztukKilka in Old Formu
Posts: 111
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Post by Kuba on Nov 10, 2015 14:47:01 GMT -6
Great shape and glaze!
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Post by jfox on Nov 10, 2015 14:59:07 GMT -6
Superb! su·perb so͞oˈpərb/ adjective adjective: superb
1. excellent. "She made a superb hand thrown crystalline glazed vase" synonyms: excellent, superlative, first-rate, first-class, outstanding, remarkable, marvelous, magnificent, wonderful, splendid, admirable, noteworthy, impressive, fine, exquisite, exceptional, glorious; More informalgreat, fantastic, fabulous, terrific, super, awesome, ace, cool, A1, brilliant, killer " She made a superb hand thrown crystalline glazed vase" 2. impressively splendid. "a superb Egyptian statue of Osiris" synonyms: magnificent, majestic, splendid, grand, impressive, imposing, awe-inspiring, breathtaking; gorgeous "a superb diamond necklace" antonyms: poor, inferior
Origin mid 16th century (sense 2): from Latin superbus ‘proud, magnificent.’ Translate superb to Use over time for: superb
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Post by Koz on Nov 10, 2015 15:09:41 GMT -6
I was gonna say what Jim said.
Marie you got it goin' on girl.
Curious what changes you made to the schedule, I'm thinking more heat and maybe more time to more heat?
Care to regale me of your heroic deeds?
Koz
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Post by mariewright on Nov 10, 2015 16:10:49 GMT -6
Hi All - thanks for the kind words. Jim - you are cracking me up! Kuba - thanks - I've been following your work lately - well done to you too!
Jose - I used your re-throwing technique to make that lovely plump form. I am definitely going to work more with that technique - I still feel clumsy doing it, but the results are always an improvement to what I can normally do.
Koz - my old formula contained 25% 644, 12.5% 413, and 12.5% 3110, and the firing schedule was pretty simple: I'd fire fast up to 2345, hold for a few minutes, drop it to ~ 1975, and ramp down to about 1925 slowly for the crystal growth. My results were about what you see above, but with rounder crystals.
With the new batch of 644, I am using 1:1:1 of the 3 frits, and my old schedule gave me small wimpy crystals. The major changes are that I now ramp significantly more slowly to a lower top temp and a longer hold at that temp. The crystal growth range that I used to get these new crystals is quite a bit hotter than I needed with the old formula. Your idea was right on the money - more heat!!!
Cheers, Marie
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paul
Junior Member
Posts: 51
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Post by paul on Nov 10, 2015 16:39:58 GMT -6
Very Nice Marie, I got black crud with 644. I think I fired it too hot,@ 2354 F. It works Ok for FF3110
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Post by tileman2 on Nov 10, 2015 23:06:47 GMT -6
Marie:
Very interesting use of geometric ideas. Softening the usual defined shoulder of an ovoid; incorporating fluting to give definition. Creating an illusion of sections when in fact it is a monolithic form: but that is what artists do. I noticed your sculpted pieces in the gallery some time back: they caught my eye as this piece does. I especially like the silhouettes the fluting creates which further adds abstraction to the piece. Like Piper, you are moving into an artistic design that will become your "signature" in the pottery world. In addition, the mechanics of this form creates resistance to glaze flow which helps put the crystals where they need to be. Going to make an assumption and state that you have been paying close attention to glaze application and thickness. I am inclined to believe that you were projecting flow, and loaded the form accordingly to achieve crystal placement. Not sure why you feel clumsy in throwing this form: you executed it very well.
Jim: thank you for the English lesson, so now we know your real last name is Webster.
Impressive Marie: very well executed piece of art. EDIT: I also noted that you flared the neck in relative proportion to the shape-a straight neck would have looked out of place on this form. The fact that you caught that is also impressive.
Tom
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Post by mohawkpiper on Nov 12, 2015 11:45:52 GMT -6
absolutely love it Marie,
You just keep on impressing!
G
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drphil
New Member
Been 9 years since i last threw a pot, moving to Maine building a house and a new studio takes time
Posts: 7
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Post by drphil on Nov 15, 2015 15:45:40 GMT -6
Beautiful work
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