Steven Hill Oxidation Project

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Steven Hill Oxidation Project

Achieving atmospheric glaze effects in electric kilns at mid-fire temperatures, through the layering of sprayed glazes. The starting point recipes are given in two discussions "Strontium Crystal Magic . . ." and "The Companion Glazes"

Website: http://stevenhillpottery.com
Members: 156
Latest Activity: Jul 12, 2018

Discussion Forum

The Companion Glazes - Modifiers and Complements to SCM

Started by George Lewter. Last reply by Norm Stuart Sep 29, 2017. 46 Replies

These are the glazes that Steven introduced us to for creating the layered effects for which he is renown. This is the place to post modifications for these glazes, and other glazes that you have found to work well with SCM and SCM for orange. …Continue

Pinholes and craters

Started by Tom Waggle. Last reply by Tom Anderson Oct 17, 2016. 22 Replies

I sent an email out to all group members. I should have just started this thread.I am using Laguna 607 cone 6 stoneware.I am getting pinholes and craters on about 1/3 to 1/2 of my pieces.I contacted Stephen Hill via email to ask him about this. He suggested that I just switch to porcelain as it is the gasses from the impure elements in stoneware body.I have adjusted my bisque schedule to slow down to 100'/hr between 1100' and 1700' ( the temp range where those organic gasses burn off). I am…Continue

SCM at cone 6. Glaze Issues, Firing Temp, and Chemistry Questions

Started by Joseph Fireborn. Last reply by Norm Stuart Jul 24, 2016. 5 Replies

This has been created to carry over the conversation that we were having on the discussion comments instead of in a topic. I have copied and pasted the discussion that I created in order of start to current. Please lets move all topics here as it would better be searchable in the future. Comment by Joseph Fireborn I have a question about SH's pots. I have tried using SCM, I get some really nice results, but the glaze surface…Continue

Strontium Carbonate and Strontium Crystal Magic

Started by George Lewter Jul 12, 2016. 0 Replies

Numerous members have used SCM and Jen's Juicy Fruit with excellent results. I believe the crystals being objected to are some kind of crystal that is growing in the melt upon cooling, not unmelted strontium poking out of the matrix. The crystals have sharp diamond reflective points which would not be present if they had been even slightly attacked by the glaze fluxes, of which there are plenty, evidenced by the fact that the glaze is very prone to running.My understanding is that …Continue

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Comment by Teresa Wooden on December 4, 2011 at 8:31pm

Just watched Steven's new video ('The Surface Techniques of Steven Hill').  He has a nice clear demo on spraying glazes that this group might find helpful.

Comment by Charna Schwartz on December 2, 2011 at 3:08am

have you asked Steven Hill?

Comment by June Perry on July 6, 2011 at 6:07pm

George, I don't have the recipe for SCM close by, but if it has potash feldspar, try subbing Neph Sye for the Custer, or other spar. That can lower the maturation of the glaze by two cones. That's one quick fox to try. If that isn't enough, you can lower the clay content by 5, for instance, and up the frit by 5. These are qucik fixes to try without having to run the glaze through a glaze chemistry software.

Often, glazes listed as cone 10 for instance, may actually work one or two cones lower or higher, and the Neph Sy substitution may be enough to reach a desire result.

 

Comment by June Perry on July 5, 2011 at 12:12pm

George, Wright's Water color blue:

 

Wright’s Water Blue Glaze
(Cone 1–6)
Lithium Carbonate. 3 %
Strontium Carbonate. 9
Frit 3110 . 59
Edgar Plastic Kaolin . 12
Flint. 17
100 %
Add: Bentonite. 2 %
Copper Carbonate. 5 %
Comment by George Lewter on May 19, 2011 at 4:40pm
I took to heart Steven's advice and example of putting flanged glaze catcher feet on most pots, and it works most of the time to stop glazes from running off my pots. If you are pushing the envelope of glaze layering effects, you are inevitably going to be chipping, scraping, and grinding shelves on occasion. If that isn't happening with some regularity, then you may be too timid with your application of glazes, and will likely miss some spectacular effects.
Comment by Joe Shaw on May 19, 2011 at 10:57am
Is anyone using pedestals and.or catch basins? Or do all of your glazes behavie nicely and stop just before touching the kiln shelves?
Comment by Joe Shaw on May 17, 2011 at 6:27pm
This is a bowl with SCM and Weathered Bronze Green (Pete Pinnell). Pretty dry. Considering the base for Weathered Bronze Green is Pinnell Strontium Matte. I'm going to be trying the Pinnell Strontium Matte as you would with SCM. It has double the Strontium. We'll see.SCM &
Comment by Joe Shaw on May 17, 2011 at 6:21pm

I just started the micro-crystalline glazing techniques used by Steven Hill. Attached is a photo of Lager glasses glazed with SCM, White Satin Matte and Randy's Red. Note the gold crystals in the RR.Lager.jpg

Comment by John Lowes on May 17, 2011 at 10:52am
I expect this will be limited more by where you are taking the workshop than by the workshop format itself.  In my instance, the workshop flier said bring up to (lol) two small pots to glaze and fire.  Since the workshop was local to me, and I intended to fire my own pots, I asked the workshop's venue director if the limitation was for firing or glaze amount.  He indicated firing, so I asked him if I could discretely fire two more, to which he agreed.  The glazing was set up in 11 spraying workstations, so my adding a couple more didn't affect anyone else. I also saw a number of folks glazing more than two, some many more. My workshop was a two day, one day Steven demonstrating throwing, the next glazing.  Firing was post workshop, so no next day critiques.
Comment by J dubats on May 17, 2011 at 10:35am
I will be attending Steven's workshop this summer and I am looking forward to reading about others results post workshop. I would also like to ask previous attendees how many bisque pieces they took for glazing.
 

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