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Eutectic solidification of aluminum-silicon alloys

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Abstract

A mechanism that describes nucleation and growth as well as morphology modification by chemical additives of the eutectic phases in aluminum-silicon hypoeutectic alloys is presented. The mechanism is supported with results of nonequilibrium thermal analyses, scanning electron microscopy (SEM) and transmission electron microscopy (TEM), selected area electron diffraction, and elemental X-ray mapping, as well as results of high-temperature rheological measurements that are performed on alloy samples of precisely controlled chemistry.

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Authors and Affiliations

  1. the Advanced Casting Research Center, Worcester Polytechnic Institute, 01609, Worcester, MA

    Sumanth Shankar (Research Scientist), Yancy W. Riddle (Research Scientist) & Makhlouf M. Makhlouf (Professor of Mechanical Engineering and Director)

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  1. Sumanth Shankar
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  2. Yancy W. Riddle
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  3. Makhlouf M. Makhlouf
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Shankar, S., Riddle, Y.W. & Makhlouf, M.M. Eutectic solidification of aluminum-silicon alloys. Metall Mater Trans A 35, 3038–3043 (2004). https://doi.org/10.1007/s11661-004-0048-1

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  • DOI: https://doi.org/10.1007/s11661-004-0048-1

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