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Microstructure properties and microhardness of rapidly solidified Al64Cu20Fe12Si4 quasicrystal alloy

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Abstract

This paper presents differences in the microstructure and microhardness properties of conventional casting (ingot) and rapidly solidified Al64Cu20Fe12Si4 quasicrystal (QC) alloys. The phases present in the Al64Cu20Fe12Si4 ingot alloy were determined to be icosahedral quasicrystalline (IQC) Ψ-Al65Cu20Fe15, cubic β-AlFe, tetragonal θ-Al2Cu, and monoclinic λ-A13Fe4 phases, whereas only IQC Ψ-Al65Cu20Fe15 and cubic β-AlFe phases were identified in the rapidly solidified alloy. The microhardness value of the melt spun alloy was measured to be approximately 790 kg/mm2. Microhardness increases with increasing solidification rates.

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Authors and Affiliations

  1. Faculty of Sciences, Department of Physics, Karatekin University, 18100, Çankırı, Turkey

    Ercan Karaköse

  2. Faculty of Sciences, Department of Physics, Erciyes University, 38039, Kayseri, Turkey

    Mustafa Keskin

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  1. Ercan Karaköse
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  2. Mustafa Keskin
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Correspondence to Mustafa Keskin.

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Karaköse, E., Keskin, M. Microstructure properties and microhardness of rapidly solidified Al64Cu20Fe12Si4 quasicrystal alloy. Met. Mater. Int. 18, 257–263 (2012). https://doi.org/10.1007/s12540-012-2017-3

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  • DOI: https://doi.org/10.1007/s12540-012-2017-3

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