Clay undergoes a remarkable transformation when fired in a kiln, changing in molecular structure as the kiln heats up and cools down. Perhaps one of the most important stages is quartz inversion, which affects ware in the bisque and the glaze firings as the kiln temperature rises and cools back down.Obviously, these changes can be… Read More »
Wood firing clay is an exciting endeavor and if you ever have a chance to participate in a wood firing, I say do it! Wood firing clay results in beautiful surface treatments that range from melted rivulets of ash to delicate red-orange blushes, however not everyone has the time or energy (or kiln!) to devote… Read More »
There has been a fairly prevalent belief in the ceramics world that cone 6 electric ceramic glazes are boring. But these days, that myth is being dispelled as more and more artists glaze fire their work to cone 6. To get great cone 6 pottery glaze surfaces, you just need some good glaze recipes and firing… Read More »
Kiln shelf maintenance is a much hated but very necessary part of having a kiln. Neglected kiln shelves can result in flakes of kiln wash landing smack dab in the middle of a beautiful glaze surface, or pots inadvertently sticking to shelves where a glaze drip once landed. So it’s best to stay on top… Read More »
Firing is the most critical part of the ceramics process because it is the one thing that makes clay durable, hence ceramic. This article presents some of the principles of firing and getting the best results with electric kilns.
Most potters don’t give much thought to kiln wash and just use the recipe they used when they first learned about firing kilns or grab whatever happens to be in the kiln wash bucket. In today’s post, an excerpt from our new free download, Soda Firing Techniques, Tips and Soda Glaze Recipes: A Collection of… Read More »
Charlie and Linda Riggs began experimenting with saggar firing after being disappointed with the results of some of their pit firings. So one day, Charlie decided to experiment with some bisque pots he had. He put some wood shavings, salt, copper carbonate/copper sulfate and wire encircling a white burnished pot into a bisqued bowl. Then… Read More »
If you have ever had problems with pin holing or dunting, slow cooling your kiln could be the solution you are looking for. But slow cooling also can produce cool surface effects in your glazes. In today’s post, an excerpt from our free download Techniques and Tips for Electric Kilns: Instructions and Glaze Recipes for… Read More »
The Obvara technique, which originated in Eastern Europe around the 12th Century, involves scalding the finish on the pottery to seal the porous surface. Similar to the raku process, a bisqued pot is heated, in this case to 1650°F (899°C) and removed from the heat. The difference is that the pot is then dipped into… Read More »
Having adequate ventilation for electric kilns promotes a safe work environment. Find out what you need to do to ventilate your kiln room.