Journal of Materials Science

, Volume 21, Issue 11, pp 3850–3858 | Cite as

Microstructural evaluation of rapidly solidified Al-Li-Be alloys

  • J. Wadsworth
  • A. R. Pelton
  • D. D. Crooks
  • R. E. Lewis
  • A. E. Vidoz
Papers
Received:
Accepted:

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.

Keywords

Polymer Microstructure Mechanical Property Heat Treatment Tensile Testing 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
This is a preview of subscription content, log in to check access.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. 1.
    A. E. Vidoz, D. D. Crooks, R. E. Lewis, I. G. Palmer andJ. Wadsworth, in Proceedings of Conference on Rapidly Solidified Powder Aluminium Alloys, ASTM Special Technical Publication No. 890 (American Society for Testing and Materials, Philadelphia).Google Scholar
  2. 2.
    J. Wadsworth, A. Joshi, D. D. Crooks andA. E. Vidoz,J. Mater. Sci. 21 (1986) 3843.Google Scholar
  3. 3.
    A. R. Pelton, F. C. Laabs andJ. Wadsworth, in Proceedings of 21st Annual Electron Microscopy Colloquium, Iowa State University, Ames, Iowa, May 1984, edited by M. C. Thompson, p. 28.Google Scholar
  4. 4.
    L. Tanner, private communication (1984).Google Scholar
  5. 5.
    I. G. Palmer, R. E. Lewis andD. D. Crooks, in “High Strength Powder Metallurgy Aluminium Alloys”, edited by M. J. Koczak and G. J. Hiddeman (Metallurgical Society of AIME, Warrendale, Pennsylvania, 1982) p. 369.Google Scholar
  6. 6.
    E. A. Starke Jr, T. A. Sanders Jr andI. G. Palmer,J. Metals 33 (8) (1981) 24.Google Scholar
  7. 7.
    R. P. Elliot, “Constitution of Binary Alloys”, 1st Suppl (McGraw-Hill, New York, 1965) p. 65.Google Scholar
  8. 8.
    J. Wadsworth, A. R. Pelton andA. E. Vidoz,Int. J. Mater. Sci. Eng., in press.Google Scholar
  9. 9.
    A. R. Pelton, unpublished work.Google Scholar
  10. 10.
    D. C. Van Aken andH. L. Fraser,Acta Metall. 33 (1985) 963.CrossRefGoogle Scholar
  11. 11.
    L. E. Tanner, L. Jacobson andR. Gronsky, in Proceedings of 43rd Annual Meeting of EMSA (San Francisco Press, San Francisco, 1985) p. 50.Google Scholar

Copyright information

© Chapman and Hall Ltd. 1986

Authors and Affiliations

  • J. Wadsworth
    • 1
  • A. R. Pelton
    • 1
    • 2
  • D. D. Crooks
    • 1
  • R. E. Lewis
    • 1
  • A. E. Vidoz
    • 1
  1. 1.Metallurgy DepartmentLockheed Palo Alto Research LaboratoryPalo AltoUSA
  2. 2.Ames Research LaboratoryAmesUSA

Personalised recommendations