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Journal of Materials Science

, Volume 29, Issue 22, pp 5826–5832 | Cite as

Development of Al-Mg-Li alloys for marine applications

  • L. S. Kramer
  • T. J. Langan
  • J. R. Pickens
  • H. Last
Article

Abstract

Based on the promising properties of a family of Al-Mg-Li alloys known as Weldalite® 050 alloys, a series of experimental variants were fabricated and evaluated. After being cast, extruded into rectangular bars, and heat treated, a series of mechanical tests was performed to select a composition for marine applications. The alloy variant selected as the most promising candidate displays tensile properties of 438 MPa yield strength, 543 MPa ultimate tensile strength, 5% elongation and 79 GPa elastic modulus, with excellent corrosion and stress corrosion cracking resistance at a density of 2.51 g cm−3.

Keywords

Polymer Tensile Strength Elastic Modulus Yield Strength Material Processing 
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.

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References

  1. 1.
    T. J. Langan and J. R. Pickens, in “Proceedings of the 5th International Conference on Al-Li Alloys”, edited by T. H. Sanders and E. A. Starke (MCE, Birmingham, UK, 1989) p. 691.Google Scholar
  2. 2.
    T. H. Sanders Jr and E. A. Starke Jr (eds), Proceedings of the 2nd International Conference on Al-Li Alloys”, (AIME, Warrendale, PA, 1983) p. 1.Google Scholar
  3. 3.
    G. E. Thompson and B. Noble J. Inst. Metals 101 (1973) 111.Google Scholar
  4. 4.
    K. Dinsdale, S. J. Harris and B. Noble, in “Proceedings of the 1st International Conference on Al-Li Alloys”, edited by T. H. Sanders and E. A. Starke (AIME, 1981) p. 101.Google Scholar
  5. 5.
    H. H. Jo, T. Ohshima and K. Hirano, J. Jpn Inst. Light Met. 36 (1986) 759.CrossRefGoogle Scholar
  6. 6.
    I. N. Fridlyander, V. F. Shamray and N. V. Shiryayeva, Russ. Met. 2 (1965) 83.Google Scholar
  7. 7.
    I. N. Fridlyander, V. S. Sandler and T. I. Nikol'skaya, Fiz. Met. Metall. 32 (1971) 767.Google Scholar
  8. 8.
    N. C. Parson and T. Sheppard, in “Proceedings of the 3rd International Conference on Al-Li Alloys”, edited by C. Baker, P. J. Gregson. S. J. Harris and C. J. Peel (Institute of Metals, London, 1986) p. 222.Google Scholar
  9. 9.
    J. R. Pickens, F. H. Heubaum, L. S. Kramer and K. S. Kumar, US Pat. 5032 359, 16 July 1991.Google Scholar
  10. 10.
    J. J. Witters, E. W. Lee, W. B. Lisagor, S. B. Herner, R. J. Kilmer and E. Talia, in “Proceedings of the 6th International Conference on Al-Li Alloys”, edited by M. Peters and P. J. Winkler (DGM Info., Oberursel, Germany, 1992) p. 351.Google Scholar
  11. 11.
    I. N. Fridlyander, A. G. Bratukhin and V. G. Davydov, p. 35.Google Scholar
  12. 12.
    S. F. Baumann and D. B. Williams, in “Proceedings of the 2nd International Conference on Al-Li Alloys”, edited by T. H. Sanders and E. A. Starke (AIME, 1983) p. 17.Google Scholar
  13. 13.
    Y. Baba, Trans. JIM 13 (1972) 76.CrossRefGoogle Scholar
  14. 14.
    I. J. Polmear and K. R. Sargant, Nature 200 (1963) 669.CrossRefGoogle Scholar
  15. 15.
    T. H. Sanders, report no. NADC-76387-30, Naval Air Development Center, Warminster, PA (1976).Google Scholar
  16. 16.
    I. N. Frdilyander, in “Proceedings of the 5th International Conference on Al-Li Alloys”, edited by T. H. Sanders and E. A. Starke (MCE, 1989) p. 1359.Google Scholar
  17. 17.
    W. S. Miller, A. J. Cornish, A. P. Titchener and D. A. Bennett, in “Proceedings of the 2nd International Conference on Al-Li Alloys”, edited by T. H. Sanders and E. A. Starke (AIME, 1983) p. 335.Google Scholar
  18. 18.
    L. S. Kramer, Unpublished Reasearch, Martin Marietta Laboratories, Baltimore, MD (1987).Google Scholar
  19. 19.
    S. J. Harris, B. Noble and K. Dinsdale in “Proceedings of the 2nd International Conference on Al-Li Alloys”, edited by T. H. Sanders and E. A. Starke (AIME, 1983) p. 219.Google Scholar
  20. 20.
    L. A. Kurtasova and Polyanskii, Fiz, Khim. Mekh. Mater 13 (1977) 72.Google Scholar
  21. 21.
    P. Niskanen, T. H. Sanders Jr, M. Marek and J. G. Rinker, in “Proceedings of the 1st International Conference on Al-Li Alloys”, edited by T. H. Sanders and E. A. Starke (AIME, Warrendale, PA, 1981) p. 347.Google Scholar
  22. 22.
    A. Luo, D. J. Lloyd, A. Gupta and W. V. Youdelis, Acta Metall. Mater. 41 (1993) 769.CrossRefGoogle Scholar
  23. 23.
    T. V. Shchegoleva and O. F. Rybalko, Phys. Met. Metall. 52 (1981) 120.Google Scholar

Copyright information

© Chapman & Hall 1994

Authors and Affiliations

  • L. S. Kramer
    • 1
  • T. J. Langan
    • 1
  • J. R. Pickens
    • 1
  • H. Last
    • 2
  1. 1.Martin Marietta LaboratoriesBaltimoreUSA
  2. 2.Naval Surface Warfare CenterSilver SpringUSA

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