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An experimental study of the effects of double-diffusive convention processes during the solification of binary alloys

By Richard Burton

Abstract

Experiments were conducted to show the effects of thermal and geometric boundary conditions on the liquid pool of a binary alloy system which is undergoing phase change, solidification. Transparent analogue solutions were selected for study and experimental apparatus were designed and built. Thermal distribution and concentration data were collected and analysed for the melt pool of various selected geometries and boundary conditions of the systems under study. The data indicate-that characteristic flows develop for both Hypereutectic and Hypoeutectic concentration levels and that the development of macrosegregation and microsegregation defects in continuous casting materials can be minimised by the adjustment of the process variables

Topics: Mechanical Engineering
Publisher: FIU Digital Commons
Year: 1995
OAI identifier: oai:digitalcommons.fiu.edu:etd-3111

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