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Direct substitutions of wollastonite for talc in 3% increments up to 15% in typical low-talc semivitreous body appeared to increase fired strength, firing shrinkage and thermal expansion, improved fired color; in range of 3 to 9% additions, reduced moisture expansion; total shrinkage of bodies containing 9 to 15% wollastonite was less than that of base body; increases in fired strength and shrinkage were accompanied by corresponding decreases in absorption.
Direct substitutions of wollastonite for talc in 3% increments up to 15% in typical low-talc semivitreous body appeared to increase fired strength, firing shrinkage and thermal expansion, improved fired color; in range of 3 to 9% additions, reduced moisture expansion; total shrinkage of bodies containing 9 to 15% wollastonite was less than that of base body; increases in fired strength and shrinkage were accompanied by corresponding decreases in absorption.
Use of wollastonite in artware bodies
Am Cer Soc -- Bul
Stalter, T.L. (author)
1956
3 pages
Article (Journal)
English
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