Potters & Sculptors - Making Rock from Mud
wheel thrown and altered, dark stoneware, soaked in brine and electric fired to cone 5-6
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So then your firing this cup in a cone 6 electric kiln and getting these results because of the salt brine. That is pretty awesome.
Traditional salt firing simply adds dry salt to a hot kiln. Ron Mello dunks bisque in a salt brine prior to glazing, which I imagine would greatly reduce wear on the kiln.
It's similar, in a way, to what I do with paper clay. On the west coast of America, Laguna Clay sells only Max's Cone 10 paper clay which remains very porous and breakable after a firing to Cone 6.
Rather than pay for a shipment of their Florida-made Sybil's Cone 6 paper clay to California, I dunk bisqued Cone 10 paper clay ware in a solution of 50% sodium carbonate and 50% lithium carbonate and dry prior to glazing. This adds the missing flux the Cone 10 paper clay needs to densify at Cone 6. Sodium leads to a higher COE which is offset somewhat by the lithium.
Can you explain what you mean by used soda ash as brine? Are you just soaking this pot in a bag of soda ash wet? It is a very beautiful pot, however you did it, great work.
Hi Norm,
Actually, I used soda ash for the brine. I will have to try the silicate too..
Have you ever tried sodium carbonate as brine instead of sodium chloride?
The color is a glaze that was poured over the dried salt brine soaked stoneware adding depth reduction and color to the clay and glaze.
no glaze at all? the color is just the salt?
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ebay is a great alternative for many tools and the equipment used in the ceramics studio - kilns, wheels, extruders, slab rollers are often listed there both new and used.
If you just want to spout off, it is best accomplished as a blog posting. If you want to get more guidance and ideas from other members, ask a question as a new discussion topic. In the upper right corner of the lists for both types of posting, you will find an "+Add " button. Clicking it will open an editor where you create your posting. 4/16/2014
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