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Vukelich, Liz. 2017. Flash phenomenon--In Proceedings: 13th Annual Symposium on Graduate Research and Scholarly Projects. Wichita, KS: Wichita State University, p.92
Purpose: This project explores color development in unglazed, wood-fired ceramic wares, specifically the phenomenon called "flashing," by testing six materials with differing proportions of silica and alumina. Background: Flashing is a gradient of glazing created in atmospheric kilns, and occurs around a ratio of 3.2:1 SiO2 to AL2O3. Other variables that contribute to flashing on ceramic surfaces include the composition of the clay bodies used, the presence of trace amounts of iron, and the type and composition of the clay's glass-forming components. Methods: Sixtyone step tests made from combinations of six raw materials demonstrate the quality of color development near and at the ideal SiO2: AL203 ratio for flashing. I will fire and cool these tiles in an anagama-style, wood-fired kiln, using both carbon and hydrogen as an oxygen reducing agent during the cooling process. The results of this study will provide both quantitative and qualitative data to supplement experiential knowledge.
Presented to the 13th Annual Symposium on Graduate Research and Scholarly Projects (GRASP) held at the Rhatigan Student Center, Wichita State University, April 28, 2017.
Research completed in the Department of Art and Design, College of Fine Arts