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Precipitation effects during hot deformation of a copper alloy

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Abstract

Hot compression tests were performed on a previously solution-treated Cu-3Ni-lSi-O.8Cr-O.1 Mg alloy below the solvus temperature. The effects of precipitation occurring during hot deformation and the accompanying flow stresses were analyzed on the basis of microstructural evolution using optical, scanning, and transmission electron microscopy, and microhardness measurements. It was found that the hardening stage was followed by strain-induced localized Ni2Si-precipitate coarsening at the temperature related to the most effective dynamic precipi-tation. Intensive coarsening of precipitates began at grain boundaries. Very fine Ni2Si precip-itates were transformed into elongated particles at grain boundaries, producing flow localization, softening, and finally sample fracture.

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References

  1. J.J. Jonas and I. Weiss:Met. Sci., 1979, vol. 13 p. 238–45.

    CAS  Google Scholar 

  2. I. Weiss and J.J. Jonas:Metall. Trans. A. 1979, vol. 10A, pp. 831–40.

    CAS  Google Scholar 

  3. 1. Weiss and J.J. Jonas:Metall. Trans. A, 1980, vol. 11A, pp. 403–10.

    CAS  Google Scholar 

  4. M.G. Akben, I. Weiss, and J.J. Jonas:Acta Metall.. 1981, vol. 29, pp. 111–21.

    Article  CAS  Google Scholar 

  5. J.J. Jonas and M.G. Akben:Proc. Int. Conf. “Metals Forum≓, Pergamon Press, Elmsford, NY, 1981, vol. 4, pp. 92–101.

    Google Scholar 

  6. M.G. Akben, B. Bacroix, and J.J. Jonas:Acta Metall.. 1983, vol. 31, pp. 161–74.

    Article  CAS  Google Scholar 

  7. H.L. Andrade, M.G. Akben, and J.J. Jonas:Metall. Trans. A, 1983, vol. 14A, pp. 1967–77.

    CAS  Google Scholar 

  8. T. Sakai and M. Ohashi:Proc. Int. Conf. Physical Metallurgy of Thermomechanical Processing of Steels and Other Metals (THERMEC '88), Tokyo, 1988, pp. 162-69.

  9. E. Evangelista, F. Gabrielli, P. Mengucci, and E. Quadrini:Strength of Metals and Alloys, ICSMA-8, P.O. Kettunenet al., ed., Pergamon Press, Oxford, 1988, pp. 977–82.

    Google Scholar 

  10. A. Korbel and L. Blaz:Scripta Metall.. 1980, vol. 14, pp. 829–34.

    Article  CAS  Google Scholar 

  11. W.A. Wong and J.J. Jonas:Trans. TMS-AIME, 1968, vol. 242, pp. 2271–80.

    CAS  Google Scholar 

  12. J.J. Jonas, CM. Sellars, and W.J. McG. Tegart:Metall. Rev., 1969, vol. 14, pp. 1–24.

    Google Scholar 

  13. Z. Rdzawski, S. Stobrawa, and B. Gutkowski:Proc. Int. Conf. “COPPER -90≓, Vesteras, Sweden, 1-3 Oct., 1990, pp. 548–56.

    Google Scholar 

  14. L. Blaz, A. Korbel, W. Bochniak, and Z. Rdzawski:Proc. Int. Conf. JIMIS-7, Aspects of High Temperature Deformation and Fracture in Crystalline Materials. Y. Hosoi, H. Yoshinaga, H. Oikawa, and K. Maruyama, eds., The Japan Institute of Metals, 1993, pp. 287-94.

  15. J. Stobrawa and Z. Rdzawski:Scripta Metall., 1987, vol. 21, pp. 1269–71.

    Article  CAS  Google Scholar 

  16. L. Blaz and A. Korbel: inHot Working and Forming Processes, C.M. Sellars and G.J. Davies, eds., The Metals Society, London, 1980, pp. 57–61.

    Google Scholar 

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Authors and Affiliations

  1. Department of Structure and Mechanics of Solids, Academy of Mining and Metallurgy, 30-059, Cracow, Poland

    L. Blaz (Associate Professor)

  2. Department of Mechanics, University of Ancona, -60131, Ancona, Italy

    E. Evangelista (professor)

  3. Research Associated, Department of Materials Science and Engineering, McMaster University, Hamilton, Ont., Canada

    M. Niewczas

Authors
  1. L. Blaz
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  2. E. Evangelista
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  3. M. Niewczas
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Formerly Graduate Student, Academy of Mining and Metallurgy, Cracow, Poland

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Blaz, L., Evangelista, E. & Niewczas, M. Precipitation effects during hot deformation of a copper alloy. Metall Mater Trans A 25, 257–266 (1994). https://doi.org/10.1007/BF02647971

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  • DOI: https://doi.org/10.1007/BF02647971

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