Browsing Theses and Dissertations (Materials Science and Metallurgical Engineering) by Postgraduate "Bothma, Jan Andries"
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Browsing Theses and Dissertations (Materials Science and Metallurgical Engineering) by Postgraduate "Bothma, Jan Andries"
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(University of Pretoria, 2006)Mould powders are synthetic slags that contain mixtures of silica (SiO2), lime (CaO), sodium oxide (Na2O), fluorspar (CaF2), and carbon (C). When heated to elevated temperatures these powders liquefy and float on the liquid ...
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