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Measurement of Thermo-Physical Properties for Solidification of Aluminium Alloys

By Hongbiao Dong and Helen V. Atkinson

Abstract

Full text of this item is not currently available on the LRA. This paper was presented at the TMS 2006 Annual Meeting and Exhibition, March 12-16, 2006, Texas, USA and published as Dong, H. & Atkinson H.V. ‘Measurement of Thermo-Physical Properties for Solidification of Aluminium Alloys’ in Wang, Q., Krane M.J.M., Lee, P.D. (ed), Simulation of Aluminum Shape Casting Processing: From Alloy Design to Mechanical Properties, (John Wiley & Sons © 2010) pp. 23-29. The published version is available from http://eu.wiley.com/WileyCDA/.Thermo-physical properties of solid and liquid phases are important components in the simulation of casting processes. Traditionally many of these properties are measured by a differential scanning calorimeter (DSC). In this paper, problems with the conventional DSC are discussed, and a single-pan scanning calorimeter which overcomes the problems in conventional DSC has been used to measure the thermo-physical properties for solidification of aluminium alloys. Enthalpy change, heat capacity, transition temperatures, and solid fraction change during solidification of Al-Fe alloys were determined from measurements using the single-pan calorimeter. Data with a high accuracy and a good reproducibility are reported. It is concluded that the single pan scanning calorimeter could be a useful tool for solidification modellers to obtain accurate materials thermo-physical properties

Topics: Thermo-physical properties, Solidification modeling, Calorimetry, Aluminum alloys, DSC
Publisher: John Wiley & Sons
Year: 2010
OAI identifier: oai:lra.le.ac.uk:2381/8789
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