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Effect of dissolution of Θ-phase on characteristic parameters of work-hardening in AL-2·5wt. % Cu alloy

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Czechoslovak Journal of Physics B Aims and scope

Abstract

Stress-strain curves of slowly cooled and quenched Al-2·5 wt. % Cu alloy were studied in the temperature range 693 K to 773 K. The linear work-hardening coefficient, the fracture time, the yield stress and the fracture stress of annealed and quenched samples decreased with increasing deformation temperature and exhibited a minimum at 733 K. The X-ray analysis of the slowly cooled and quenched samples showed that the lattice parametera of Al-matrix and the ratioc/a of the tetragonal Θ-phase reached a minimum and a maximum value, respectively, at the dissolution temperature.

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Authors and Affiliations

  1. Basic Science Department, Institute of Technology, Shuwaukh, Kuwait

    M. A. Kenawy, M. R. Nagy, M. S. Sakr & M. T. Mostafa

  2. Physics Department, College for Girls, Ain Shams University, Cairo, Egypt

    M. A. Kenawy

  3. Physics Department, Faculty of Education, Ain Shams University, Cairo, Egypt

    M. S. Sakr & M. T. Mostafa

Authors
  1. M. A. Kenawy
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  2. M. R. Nagy
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  3. M. S. Sakr
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  4. M. T. Mostafa
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Kenawy, M.A., Nagy, M.R., Sakr, M.S. et al. Effect of dissolution of Θ-phase on characteristic parameters of work-hardening in AL-2·5wt. % Cu alloy. Czech J Phys 39, 224–229 (1989). https://doi.org/10.1007/BF01597329

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  • DOI: https://doi.org/10.1007/BF01597329

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