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Analytical studies on some microconstituents in 2024 aluminum alloy

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Abstract

X-ray analysis of α(FeMnCuSi), (Fe,Mn,Cu) Al6 and Al7Cu2Fe particles in a Rheocast 2024 alloy were performed both with bulk samples in the microprobe (on relatively large particles) and with thin sections in the electron microscope. Some procedures were suggested for dealing with the spatial resolution problems of the microprobe; the qualitative application of the thin section technique was found (with certain precautions) to be informative with moderate effort, and the need was emphasized for establishment of the thin section technique as fully quantitative. The Al7Cu2Fe in these samples, formed from (Fe,Mn,Cu)Al6 during annealing, contained excess Mn and was thought from electronmicroscopic observations to be in a segregated nonequilibrium condition.

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Authors and Affiliations

  1. Nuclear Research Centre-Negev, Beer-sheva, Israel

    A. Munitz (Research Scientist)

  2. Department of Metallurgy and Mining Engineering and Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, IL

    A. Zangvil (Visiting Associate Professor) & M. Metzger (Professor)

Authors
  1. A. Munitz
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  2. A. Zangvil
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  3. M. Metzger
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Formerly with the University of Illinois at Urbana-Champaign

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Munitz, A., Zangvil, A. & Metzger, M. Analytical studies on some microconstituents in 2024 aluminum alloy. Metall Trans A 11, 1863–1868 (1980). https://doi.org/10.1007/BF02655102

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  • DOI: https://doi.org/10.1007/BF02655102

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