Paper Title:
Thermal Analysis during Solidification of Mg-4%.wtAl Alloy during Lost Foam Casting Process
  Abstract

The lost foam casting (LFC) process utilizes the expanded polystyrene (EPS) foam pattern for the production of metallic components. The thermal degradation of the foam pattern has a significant effect on microstructure of the component. Dendrite coherency is important for the determination of the formation of the solidification structure and cast ability of alloys. The effects of the dendrite coherency on grain size in Mg-4Al alloy have been studied using the two-thermocouple thermal analysis technique in the solidified sample. The results also indicate that the grain size increases with the temperature interval between liquids (TN) and dendrite coherency point (TDCP), The solid fraction at DCP (fsDCP) expressed in percent strongly dependents on the dendrite morphology during solidification.

  Info
Periodical
Edited by
Yafang Han, Fusheng Pan, Jianmao Tang, Chungen Zhou
Pages
371-377
DOI
10.4028/www.scientific.net/MSF.686.371
Citation
D.H. Hou, S.M. Liang, R. S. Chen, E. H. Han, C. Dong, "Thermal Analysis during Solidification of Mg-4%.wtAl Alloy during Lost Foam Casting Process", Materials Science Forum, Vol. 686, pp. 371-377, 2011
Online since
June 2011
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$32.00
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