Finite element simulation of solidification of aluminium casting alloy LM 25
Authors: Brown, S. G. R.; Spittle, J. A.
Source: Materials Science and Technology, Volume 6, Number 6, June 1990 , pp. 543-547(5)
Publisher: Maney Publishing
Abstract:A two-dimensional axisymmetric finite element analysis is applied to the simulation of the solidification of the aluminium casting alloy LM 25. Solute redistribution during primary phase freezing is described using the Schell equation, and the two-phase eutectic is assumed to solidify over a temperature range of 2 K. Excellent agreement is found between the computed and experimental thermal analysis data for a dry sand axisymmetric casting. The model predictions are used to discuss the observed variation of casting density with distance from the feeder in unmodified dry sand castings with and without a chill, and a relationship is obtained for casting density at any location as a function of the computed value of the distance between the 90 and 100% solid isotherms.
Document Type: Research Article
Publication date: 1990-06-01
Authors wishing to cite fast track papers should give the journal name and the article DOI. This will enable reference linking via CrossRef and allow forward and backward citation tracking systems to associate the fast track citation with the final journal reference.Materials Science and Technology is the successor of two previous titles, for which digitised archives are available: Metal Science (Vols. 1—17; 1967—84) and Metals Technology (Vols. 1—11; 1974—84).
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