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TEM studies on Al4C3·3 Be2 C

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Abstract

X-ray diffraction studies and TEM investigations of the binary Al4C3·3Be2 C alloy (prepared at 1860° C) revealed that besides the matrix platelets of Be2 C and an additional third phase are also present. From XRD the lattice parameter of the cubic phase was found to be 0.4612 nm. Small additions of SiC stabilize the cubic phase forming solid solution by partial replacement of Al3+ by Si4+. This replacement causes a decrease of the lattice parameter to 0.4565 nm.

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References

  1. G. Schneider, L. J. Gauckler, G. Petzow andA. Zangvil,J. Amer. Ceram. Soc. (to be published).

  2. G. Schneider, Ph.D. thesis, University of Stuttgart (1978).

  3. Staritzky,Anal. Chem. 28 (1956) 915.

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  4. A. Zangvil, L. J. Gauckler andG. Schneider, to be published.

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Author notes

  1. A. Zangvil

    Present address: Department of Metallurgy and Mining Engineering, University of Illinios, 61801, Urbana, Illinios, USA

  2. L. J. Gauckler

    Present address: Research and Development, Swiss Aluminium Ltd., CH-8212, Neuhausen, Switzerland

Authors and Affiliations

  1. Max-Planck-Institut für Metallforschung, Institut für Werkstoffwissenschaften, Stuttgart, Germany

    A. Zangvil, L. J. Gauckler, G. Schneider & M. Rühle

Authors
  1. A. Zangvil
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  2. L. J. Gauckler
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  3. G. Schneider
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  4. M. Rühle
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Zangvil, A., Gauckler, L.J., Schneider, G. et al. TEM studies on Al4C3·3 Be2 C. J Mater Sci 14, 2741–2746 (1979). https://doi.org/10.1007/BF00610648

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  • DOI: https://doi.org/10.1007/BF00610648

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