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  1. From the album: Glazed Ceramics 2013

    This whole bowl was glazed in sun valley. The outside ran quite a bit onto the foot and cookie it was resting on, but the inside result was very interesting. It breaks in a light blue, and can have a whole range of color changes as it melts. In 2013 this was the largest bowl I had managed to throw, it was made out of 10 pounds of clay. Deciding on if I want to use this glaze again on future works, as it is very unpredictable and runny.
  2. Hi guys! I was wondering what to do for grinding my own glaze drips off my pieces that are unwanted! Before I had my own studio, I was using a professional one of my friends that worked amazing but money wise I'm thinking of just getting a drill bit with a grinding stone on it! I have a feeling a grinding stone will take a lot longer than finding something electric, Any advice on which to get or what works for you please let me know
  3. Hi guys! Id love to start making my own glazes however I have no idea how to! Where I used to help teach the other artist always made the glazes and now on my own Id love to learn! Ive tried looking it up and watching videos but I just can't get the hang of it! Any help with ideas, recipes, recommendations and options would be great!
  4. Hello, I'm new to these forums and would appreciate some help! This isn't a new problem but I still don't know what causes it. On this particular problem piece, I used: Flint Hills "Porcelain" ^5-6 slip made with mason 6308 (Delphinium) mixed with the Flint Hills clay body Amaco HF-9 Clear Glaze. I do an 8-10 hour bisque to ^04; glaze firing is ^5 or ^6. I'm attaching a photo that shows a sample of bubbles that formed all along the edge of this platter. It happens most often on blue underglaze or slip, but I've had the problem with other colors. Sometimes a mug's rim will
  5. After all the fun stuff is gathered (kiln, wheel, tools, clay, glazes) and you are ready to throw your work into the fiery pit, what temperature should that pit be and how long should you bisque it? I have my favorite clays and glazes (I am using my professors kiln and wheel for now until I get my kiln at home figured out) but I have yet to get a good answer on the correct temperatures and times my bisque firings should be in the kiln. I have mostly been observing and creating the works with glazes while others load and monitor the kiln/firing process (plus they are massive front load kilns ov
  6. I just purchased five containers of Amaco Potters Choice cone 5-6 glazes. I just did a firing at cone 5 with the glazes and none of them vitrified. I also fired a few small pieces of bisque ware with the glazed items and I think that they turned out fine, although they appear more pink than what I have seen before. The glazed pieces look like they haven't been fired at all. I am trying to figure out what I did wrong, or what my kiln did wrong. I cannot imagine that 5 separate containers of Amaco glazes that were made at separate times would be at fault. Here are some details: - I cracked
  7. I have just poured the inside of a stoneware cylinder (test piece bisqued to 1000oC) with a transparent glaze that crawled horribly in a previous batch. This is a commercially mixed dipping glaze - very reliable by all accounts! Following advice here and elsewhere I let it stand and drew the excess water off the top. The glaze is now like pouring cream consistency. 100ml weighs 153g. I've poured the inside - about 3 seconds. As it dried the glaze cracked - see photo. What does this indicate? Can I just finger-sand it and dip the outside or am I destined for more disappointment?
  8. Hi all, I've just seen that my local suppler has stock of the Amaco Crystallex brush on glazes. The specs say to fire to cone 5. I use high fire stoneware and I'm wondering if anyone could shed some light on the ramifications of firing to cone 5 instead of cone 6 as I normally do. May thanks, Andrea
  9. Hi All! I am new to the Ceramic Arts Community! I made a few pieces both hand built and on the wheel with terracotta clay. I would like to glaze and fire my pieces in one fire with a clear matte finish. So my questions are... 1. Is it possible to skip the bisque fire and just glaze it and fire it once 2. What cone should I buy for my glaze? 3. Does anyone have any recommendations for clear matte glazes that would work for terracotta Thanks in advance!
  10. I thought I would start a new subject line rather than continuing to hijack the other one. I am trying to learn how to do some basic fine tuning of my glaze firing. I am going to start by trying to correct a pinhole issue I am having with one of my more popular glazes. I think the problem is that the temperature is dropping too quickly once reached and "freezing" the glaze before it has time to smooth out and heal over. I have a Bartlett V6-CF controller on my Olympic Kiln and I glaze fire to cone 6. With help from people over on the other subject of firing schedules (thank you!) I read th
  11. I'm hoping someone can tell me how this kind of glaze effect is accomplished or if this is glaze , these were advertised as ceramic plugs so i assumed the color on top is glaze and the sides look like bisque, please help, id love to replicate these colors on my pottery, it looks more like glass then glaze. thanks
  12. does anyone know how these are done? I've never seen color like this before and I buy from an extremely large ceramic/ glaze supplier
  13. Hello all you experienced glaze chemists, I have been using this recipe at my studio for a few months now and I really like it except that when it's thick it moves more than I'd like. I'd like to slightly adjust it so it's a little more stable. Any recommendations? Also, the iron oxide and copper carb wouldn't affect any of this, right? Soto Amber - Cone 6 Frit 3124- 32% Feldspar Minspar- 26% Silica- 19% Calcium Carbonate- 13% EPK- 10% --- Red Iron Oxide- 3% Copper Carbonate- .75%
  14. Hi all, I'm very new to ceramics and need help with underglaze and clear glaze compatibility. I use Duncan covercoat on bisque with a Colorobbia CLA3 non toxic clear glaze over it. The problem is, the color just doesn't come out right when I use this glaze. I have tried firing at higher temperatures, I have tried putting the covercoat on leather hard clay, firing, then dipping in clear glaze and firing again- nothing seems to work. The color doesn't come out. I have contacted both Duncan and Colorobbia, both seem to say that the two products should work just fine together. When I tried a d
  15. Hi guys, I am fairly new to ceramics and to this community. I wanted to ask if anyone had experiences/knowledge around sprinkling iron filings on pots with wet surfaces - right after glazing. Is it food safe? I know that there are glazes with high iron content but wanted to achieve a uneven effect with bigger speckles. This idea came about while watching and reading about a father and son potters from K. H. Wurtz. Here's a link of the video: On their website under their bio they mention the use of iron filings sprinkled on pots too. Any information about temperature, type of
  16. I am new to glazing. I purchased a bucket of clear glaze. It was advertised as cone 6. I fired a few pieces (I know - should have done a test fire) and got blistering all over the pieces - some popped. In looking closer at the fine print, it is a cone 06 glaze. Can I retire and save these pieces? Or any help anyone can give. I know I should be chastised. Be easy on me. Thanks!
  17. http://ledondufel.com/fr/stage/la-terre-sigillee-de-la-fabrication-a-la-cuisson/
  18. Morning all, I recently ordered a glaze which was available in matt and glossy. I unfortunately did not specify the glossy code and the supplier did not check with me regarding the two options. I ordered 5kg and I really don't want to purchase another 5kg, as I had already made it up. Can anyone suggest what I can add to this to make it glossy. Thanks in advance Andrea
  19. I know that high fire stone ware is oven safe and dishwasher safe, but is it microwave safe?
  20. Hi everyone, I have seen this pot and do not how to make it. can u help me to identify it .
  21. Deborah Bedwell Workshop Surface Academy: Velvet Underglazes, Classroom Engobes and More! WS04 – Saturday, 10-4pm, May 21, 2016 Fee: $100 member/$115 non-member Scribble, doodle and dot! This 1-day workshop will introduce students to the colorful world of velvet underglazes, engobe slips and more. Participants will explore application techniques underneath glaze and on top of the glaze surface in this class. This class will encourage you to utilize line and color on your ceramic pieces while you learn how to bring a casual, playful, graphic sensibility to pottery making. Participan
  22. I've bought about a dozen different Terracolor glazes, which are supposed to have "built in effects", looking very much like Raku... Two of the more solid color glazes look and work as they do on their product images, and one of the effect glazes also works beautifully and looks exactly like their product image. However, all others I've tried are complete disasters compared to the product images, and I've tried to vary water content, bisque firing temps, application thickness, firing temps... the lot! I don't want general tips, because even Terracolor themselves can't give me good
  23. Hi, I have an unfired pot (cone 5/6 clay) that has had raw Cone 6 glaze (Coyote Alabaster Satin) applied to the inside. Can I fire this raw pot at bisque temp, leaving the applied glaze inside and then fire again at Cone 6 later? I was going to once fire this pot... but thinking now it would be a better plan to bisque at least a little first since it has some fairly fragile embellishments. Hope this makes sense Thanks!
  24. Morning all, I love the effect of crystal growth in glazes. I want to experiment making a glaze for electric kiln firing on stoneware to cone 8/9. Can anyone share a recipies?
  25. I am taking advanced ceramics courses at a University and need help organizing my thoughts/ideas/notes regarding glazes and glaze testing. I have searched the internet (research is NOT my strongest point) for some sort of chart/form that can help me keep detailed/thorough and consistent notes about my glaze testing. I have seen a program that will do this, but it is currently outside of my price-range Does anyone have or know where I could get something similar as a starting point. My memory stinks and have TOO MANY thoughts floating around in my head NOT TO do a detailed note-taking
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