Microstructure Formation in AlSi6Cu4 Alloy with Forced Melt Flow Induced by a Rotating Magnetic Field

Abstract:

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The objective of this paper is the experimental investigation of the microstructure in Al-6wt%Si-4wt%Cu alloy, directionally solidified without and with forced melt flow, induced by a rotating magnetic field. The flow leads to reduced primary dendrite spacing and to strong radial segregation of silicon and copper. As a consequence the local solidification conditions change, resulting in different types of Al2Cu phase formation. This outcome is explained by ThermoCalc calculations predicting the corresponding solidification behavior.

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Periodical:

Edited by:

A. Roósz, V. Mertinger, P. Barkóczy and Cs. Hoó

Pages:

249-254

DOI:

10.4028/www.scientific.net/MSF.649.249

Citation:

G. Zimmermann et al., "Microstructure Formation in AlSi6Cu4 Alloy with Forced Melt Flow Induced by a Rotating Magnetic Field", Materials Science Forum, Vol. 649, pp. 249-254, 2010

Online since:

May 2010

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$35.00

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