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Published byDaisy Douglas Modified over 8 years ago
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Coil Construction File name 18vessel
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Making slip n Viscosity n Water
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Getting Started n Coil or slab base n If coil seal both sides n Slip and score
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Coil and Slab construction n You may use up to 50 percent slab construction
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Coil construction n You may attempt sculptural form that are decorative
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Applying Slip n Why do you need slip? n Viscosity of slip n How do you apply slip?
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Scoring n Make sure the surface is roughed.
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Scoring n Why do you score? n Scoring should be done after applying slip
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Scale drawing n 1/4 inch equals 1 inch n 90 percent accuracy
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Not paying attention n Falling apart n Fall on floor
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Not sealing n Could separate n lose form n seal every 2-3 coils
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Sealing the coils n Add strength to ware n It still may separate even if you done everything correctly
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Not scoring properly or enough n What will happen? n Separate
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Making more than one n Base can be less than 4-5 inches n Must equal 25 inches
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Coil construction n Using different coil construction
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Coil Construction n Elephant vessel
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Coil Construction n Using tools
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Finished surface n Using underglaze n Applying to leather greenware or bisqueware n Not to bone dry greenware
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Underglaze decoration n Use to create detail patterns or visual images n Can be applied to greenware or bisqueware
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Underglaze with clear glaze n Whether applied to greenware or bisqueware fire underglaze first before applying clear glaze
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Glazing bisqueware n Only apply to bisqueware NOT greenware n Glob the glaze do not paint on glaze n Dry foot
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Dry footing n Dry foot all ware that is large, heavily glazed or glazes that have a tendency to run
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Glazing n Choosing glaze
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Glaze n Using more than one glaze
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Glaze n 3 glazes applied over each other
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Glazeware n Glaze application n Sealing ware n thin application n Runs n Crawling n Crazing
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Glaze run n Some glazes run more than others
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Glaze run n Leaves sharp edge when cooled
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Glaze run n Kiln wash prevents it from sticking to the kiln shelf
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Glaze run n The run will need to be grind or filed to remove sharp edges n You may not get all or the kiln wash off the bottom
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Glaze run n Over application n Over 5 coats most glazes will run. n Do not over apply the glaze, unless you are trying to get a certain textural look
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Kiln wash n Glaze left on the shelf must be chiseled off. n Kiln wash must be reapplied
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Crawling n Some glazes have a tendency to crawl. n Crawling is when the glaze does not attach to the ware
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Evaluation n Sketch 100 pts. n Construction 200 pts. n Following Obj. 100 pts. n Work Ethic 100 pts. n Surface Finish 200 pts. n Total 700 pts.
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