Pipe formation in Pb-Sn alloys |
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| Authors: | N. Streat F. Weinberg |
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| Affiliation: | (1) Department of Metallurgy, University of British Columbia, Vancouver, British Columbia |
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| Abstract: | It has been shown that upward flowing pipes can be formed in the solid-liquid region of a Pb-Sn alloy when a density inversion exists in the liquid. Pipes do not form when there is no density inversion. These findings support proposed mechanisms for freckling and A segregate formation, based on observations of transparent ammonium chloride-water models. |
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