Intro to Glaze Development Techniques with Elise Johnston
Corner of Collingwood and Nile Street, Nelson, Nelson / Tasman
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Finding the right glaze can be an important part of finishing a ceramic piece. The chemistry behind a glaze can help to create a great many different surface qualities and colours.
Off the shelf glazes are a good place to begin learning about glazing, but if you want to develop a unique glaze, or adjust an aspect of a recipe you already use, it can be difficult to know where to start. During this two-day workshop, Elise Johnston will show examples from her ongoing experiments in glaze development, explain the basics of glaze chemistry and introduce a practical technique called line blending - a useful tool for developing or adjusting glazes.
On day one of the workshop each participant will be allocated a glaze recipe and will explore the role of one particular raw material through the use of a progressive line blend. By adding progressive increments of a material to a glaze recipe, it is possible to get a picture of what effect that one material is having on the appearance of the glaze at various strengths.
Each attendee will make their own line blend with a different material or colourant. These will then be fired, and all the results will be viewed and discussed on day two. This will allow the entire class to see the results of a wide range of glaze experiments. If possible, participants should bring a respirator.
Glazes will all be in the cone 6 oxidation range, but the techniques used can be applied to glaze development regardless of firing temperature or kiln atmosphere.
This workshop – taking place on Tuesday October 4 (10am to 12.30pm) and Thursday October 6 (5.30pm to 6.30pm) – is suitable for ceramicists and potters who already have experience mixing and applying glazes from recipes, and want to begin developing and adjusting their own glazes.
Visit our website to find out more about Nelson Clay Week and to view Elise’s bio.
Follow Nelson Clay Week on Facebook @NelsonClayWeek, or Instagram @nelson.clay.week, for updates.
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