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Intermetallic phase formation in directionally solidified Al−Si−Fe alloy

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Abstract

The present study has been undertaken to better understand the solidification behavior of Al−Si−Fe alloys containing 7wt.% Si and 0.9wt.% Fe, with particular regard to the formation of phase during controlled solidification and influence of growth rates on intermetallic phase selection. The alloys studied were Al-7Si-0.9Fe alloys, which were produced by a modified Bridgman solidification arrangement. These alloys were solidified unidirectionally with different growth rates (1–30mm/min). The solidified microstructure of these alloys consists of the growth of primary aluminum and multiple second phase reactions.

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Authors and Affiliations

  1. Department of Metallurgical Engineering, Dong-A University, 840 Hadan 2-dong, Saha-gu, 604-714, Busan, Korea

    Y. S. Han, J. O. Choi & C. O. Choi

  2. School of Mechanical, Materials, Manufacturing Engineering and Management Faculty of Engineering University of Nottingham, University Park, NG7 2RD, Nottingham, UK

    D. G. McCartney

Authors
  1. Y. S. Han
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  2. J. O. Choi
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  3. C. O. Choi
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  4. D. G. McCartney
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Correspondence to Y. S. Han.

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Han, Y.S., Choi, J.O., Choi, C.O. et al. Intermetallic phase formation in directionally solidified Al−Si−Fe alloy. Met. Mater. Int. 10, 27–32 (2004). https://doi.org/10.1007/BF03027360

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