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Solidification and microstructure analysis of rapidly solidified melt-spun Al-Fe alloys

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An Erratum to this article was published on 01 March 1990

Abstract

Aluminum-iron alloys with Fe contents of up to 8 wt pct were rapidly quenched from the melt using the planar-flow melt-spinning technique. Microstructural changes that occur across the thickness of melt-spun ribbons were investigated as a function of initial melt composition and ribbon thickness. A transition exhibiting a dramatic change in the cell spacing from a microcellular to a coarse cellular region was observed for all the alloys examined. For a given alloy, the volume fraction of the microcellular region decreases significantly with increasing ribbon thickness. A theoretical explanation for the observed behavior is presented in which the heat flow and solidification characteristics are related to the undercooling achieved before the onset of nucleation.

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Authors and Affiliations

  1. ALCOA Laboratories, Alcoa Center, 15069, PA

    M. G. Chu (Staff Scientist) & D. A. Granger (Fellow)

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  1. M. G. Chu
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  2. D. A. Granger
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An erratum to this article is available at http://dx.doi.org/10.1007/BF02656585.

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Chu, M.G., Granger, D.A. Solidification and microstructure analysis of rapidly solidified melt-spun Al-Fe alloys. Metall Trans A 21, 205–212 (1990). https://doi.org/10.1007/BF02656437

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  • DOI: https://doi.org/10.1007/BF02656437

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