Noob here, my pots

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Re: Noob here, my pots

Post  prestontolbert on Sun Jun 07, 2009 4:45 pm

At ^04, red iron doesn't react as well as in higher temps. The melting point of RIO is over 1500 C . And a reduction atmosphere changes it further. Electric kilns, unless well vented, fire in a neutral to very slight reduction atmosphere.
-PT

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Re: Noob here, my pots

Post  kitoi on Sun Jun 07, 2009 5:24 pm

Thanks PT!

Read about adding frit to RIO to get to melt at a lower temp, have a couple more TC pots drying to try it on.

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Re: Noob here, my pots

Post  kitoi on Mon Jun 08, 2009 1:41 pm

8in black terra sig


6in green crawl


2.5in tall green crawl accent


2in oxide wash accent


3in square accent with bubbling glaze

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Re: Noob here, my pots

Post  Tony Remington on Tue Jun 09, 2009 1:34 pm

Hi Kitoi
I had a play (great fun) and fired them with a manganese wash and added a black copper oxide wash just to darken the grain of the cracks, and got some results, would you like to see a couple.
Tony

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Re: Noob here, my pots

Post  Morea on Tue Jun 09, 2009 2:26 pm

Dear Kitoi

I love Your pots !!!!
I look and smile and feel so good !
On Your way to the stars and beyond !!!!!
Kind regards
Morea

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Re: Noob here, my pots

Post  horst on Tue Jun 09, 2009 7:25 pm

I love them all - man, you are pretty good cheers
Best regards Horst

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Re: Noob here, my pots

Post  kitoi on Wed Jun 10, 2009 12:20 am

Thank you Morea and horst!

As a relatively new mud slinger your comments mean a great deal to me!

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Re: Noob here, my pots

Post  peter krebs on Wed Jun 10, 2009 5:07 am

Hi Kitoi,

You have always new ideas, I think you kiss a leisure. Laughing

Best regards
Peter

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Re: Noob here, my pots

Post  kitoi on Mon Jun 15, 2009 12:04 pm

I stepped into the high fire realm yesterday, trying new clay, new glaze recipes, a 2345deg (1285c) oxidation firing and slow cool. To say the least I was quite excited when I opened the kiln a little while ago. The following were the best out of the 10pot I made.

The clay used was a ^10 Toki sculpture paperclay, it very moist and sticky. Took some time to get used to handbuild because it sticks to everything, to combat that I let it sit exposed over night to dry out some and made it much easier to work with. It's not intended for the wheel, don't tell me that! made some interesting forms, doesn't throw like normal clay. Slab building is so much easier! Roll it out, cut to shape, dry to a bone state and assemble. Made 4 pots this way and each one is perfectly square with straight sides.

I wanted to try ash glazes but everything I've read was for a reduction burn, purchased a book on ash glaze making and there was 3 paragraphs on oxidation firing and not much information regarding the process. When over to my sisters house, cleaned her fireplace out and came home and started sifting. Made 3 recipes, ochre, an artificial reduction ochre and a 50/50 mix of ash and earthenware clay. Also did a couple of oxide washes and commercial dry celadon. I did not want pots being glazed to the shelves so I did thin applications since I was entering the unknown, will try thicker coats next time.

3in tall ochre


2in tall RIO wash


4in wide 50/50


2in wide artificial reduction ochre (lovely blues out of something I thought was going to have more yellow)


4in wide RIO wash


14in wide oval, RIO wash with celadon on the rim

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Re: Noob here, my pots

Post  muenz on Mon Jun 15, 2009 2:51 pm

Don´t be mad at me, but the third one (4in wide 50/50) looks like a bread with a nice yummy crust. Laughing

Andreas

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Re: Noob here, my pots

Post  prestontolbert on Mon Jun 15, 2009 5:09 pm

Your work is excelling rapidly! I really like the first pot. The oxide application is sublime. Did you use rice or corn or something in the second pot? I've actually thrown John Toki's sculpture clay. It's almost like wet sand with a little cream cheese as a binder! Laughing It gets really nice effects in the wood kiln. The blue in your ocher glaze is from silicon carbide. The carbide is supposed fume and reduce your glaze. At ^6 the carbide fumes, but at cone 11 or 12 it melts. You hit pretty high temps so the carbide melted giving you the blue color. In extended wood firings SiC shelves drip onto pots causing the same color. I would just omit the carbide and fire the glaze in oxidation. It should look fine. I have an excell document with glaze recipes if you want it. Anyone PM me if you do. I have a pic of Toki clay in wood and a piece with carbide drips. I'll remove them if you like.
Toki Clay

Reitz bowl with carbide drips

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Re: Noob here, my pots

Post  kitoi on Wed Jun 17, 2009 11:43 am

Andreas,
Now that you mention it it does look like a crusty loaf...I'll call it my sourdough pot clown

Preston,
Thanks for the encouragement!!

I don't mind other's photos, those are great pots btw.

Yes I used rice in #2 and 5, an interesting texture but it make a mess during the bisque. The sourdough pot (#3) was Toki paper thrown, also have 4 more I made on the wheel that will get fired on Friday. The ochre ash glaze came out very nice, although nothing like the description with the recipe. Was supposed to be more yellow, maybe because of the thin application?

Thanks for the explanation of silicon carb reaction the the high heat, will try a batch without it and see what it looks like. I need to learn more about the effects of the materials as they melt and what temps.

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Re: Noob here, my pots

Post  Rob Addonizio on Wed Jun 17, 2009 1:09 pm

Nice work Keith. Apparently all your experimentation is paying off! Cool

Thanks for sharing,
Rob

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Re: Noob here, my pots

Post  kitoi on Wed Jun 17, 2009 3:58 pm

Thanks Rob!
Paying off in more ways than one, sold #5 already!

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Re: Noob here, my pots

Post  kitoi on Sat Jul 18, 2009 7:24 pm

I don't usually like a white clay but my local supplier has a clay of the month special and at $5 for 25lbs I couldn't go wrong.

3" heavy rim


12" bowl


6" bowl, the zebra pot


5" octagonal (sandstone)

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Re: Noob here, my pots

Post  kitoi on Tue Jul 21, 2009 12:48 pm

A 12" wide x 1.5" deep oval, was so excited when it came out of the kiln in one piece (2 others cracked) that I staged it before taking a photo of the pot empty

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Re: Noob here, my pots

Post  Rob Addonizio on Thu Jul 23, 2009 3:19 am

Keith, great pots!

So tell me how much you enjoy cleaning up all that sticky sodium silicate!!! Razz Razz Shocked Rolling Eyes

hee hee, couldn't resist.

Rob

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Re: Noob here, my pots

Post  kitoi on Thu Jul 23, 2009 12:55 pm

Thanks Rob!
The silicate was a mess at the beginning but like anything else, the more you do something the better you get (most the time). I'm able to contain it just to the pot now.

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bonsai pots

Post  Hugo Studeník on Wed Jul 29, 2009 1:47 pm

Hello! cheers
I have a question, how I will do this nice, lacerated structured pot? Stretching from the inside?

PS: I´m sorry, my english isn´t very good Embarassed
Robin

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Re: Noob here, my pots

Post  kitoi on Mon Aug 10, 2009 1:29 pm

3" spiked accent


8" oval


6.5" cascade

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Re: Noob here, my pots

Post  kitoi on Mon Aug 10, 2009 1:30 pm

Correct, these are stretched from the inside.

hugo wrote:Hello! cheers
I have a question, how I will do this nice, lacerated structured pot? Stretching from the inside?

PS: I´m sorry, my english isn´t very good Embarassed
Robin

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Re: Noob here, my pots

Post  Klaudia & Martin on Wed Aug 12, 2009 3:54 pm

Hey everybody

Look at that! Here's a video about that technik!

http://ceramicartsdaily.org/pottery-making-techniques/ceramic-decorating-techniques/pottery-decorating-video-what-a-stretch-how-to-use-sodium-silicate-to-create-crackled-texture-on-pottery-surfaces/

Kind regards
Klaudia

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Re: Noob here, my pots

Post  kitoi on Wed Oct 21, 2009 12:22 pm

2" round



3" square



4" round

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Re: Noob here, my pots

Post  John Quinn on Thu Oct 22, 2009 1:37 am

The 2" round is very nice!

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Re: Noob here, my pots

Post  peter krebs on Thu Oct 22, 2009 9:27 am

Hi Kitoi,

The yellow pot is sensationally good. Very Happy

regards
Peter

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Re: Noob here, my pots

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