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Microstructural evaluation of rapidly solidified Al-Li-Be alloys

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Abstract

Aluminium-lithium-beryllium alloys are a group of low-density, high-modulus materials that potentially have technological importance in aerospace structures. In this paper, a series of such alloys has been produced using rapid solidification processing via melt spinning. The microstructures of the alloys have been investigated in the as-melt-spun condition, after consolidation and heat treatment to peak hardness, and after tensile testing in the heat-treated condition. In particular, changes in the size and distribution of primary beryllium particles and Al3Li precipitates are described after consolidation and processing. The mechanical properties of the alloys in the heat-treated condition are also presented.

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Authors and Affiliations

  1. Metallurgy Department, Lockheed Palo Alto Research Laboratory, 3251 Hanover Street, 94304, Palo Alto, California, USA

    J. Wadsworth, A. R. Pelton, D. D. Crooks, R. E. Lewis & A. E. Vidoz

  2. Ames Research Laboratory, 50011, Ames, Iowa, USA

    A. R. Pelton

Authors
  1. J. Wadsworth
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  2. A. R. Pelton
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  3. D. D. Crooks
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  4. R. E. Lewis
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  5. A. E. Vidoz
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Wadsworth, J., Pelton, A.R., Crooks, D.D. et al. Microstructural evaluation of rapidly solidified Al-Li-Be alloys. J Mater Sci 21, 3850–3858 (1986). https://doi.org/10.1007/BF02431621

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  • DOI: https://doi.org/10.1007/BF02431621

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