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Study of the spinodal decomposition of an Fe-28Cr-2Mo-4Ni-Nb alloy by small-angle neutron scattering

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Abstract

Superferritic stainless steels become embrittled when aged in a temperature interval around 475 °C, This phenomenon has been studied in the alloy Fe-28Cr-2Mo-4Ni-Nb by measuring the decrease in the energy absorbed in the impact test as a function of ageing time at 475 °C. The change which occurs in the microstructure has been studied by small-angle neutron scattering. It is shown that ageing at 475 °C produces the decomposition of the alloy in zones rich in chromium via spinodal decomposition. The high rate of embrittlement observed, compared with that which occurs in Fe-Cr binary alloys of similar chromium content, is related to a faster development of the spinodal decomposition in the steel studied.

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References

  1. M. A. Streitcher,Corrosion 30 (1974) 77.

    Google Scholar 

  2. T. J. Nichol,Met. Trans. A 8A (1977) 229.

    Google Scholar 

  3. M. J. Blackburn andJ. Nutting,J. Iron Steel Inst. 202 (1964) 610.

    Google Scholar 

  4. M. J. Marcinkowski, R. M. Fisher andA. Szirmae,Trans. TMS-AIME 230 (1964) 676.

    Google Scholar 

  5. R. Lagneborg,Acta Polytech. Scand. 62 (1967) 1.

    Google Scholar 

  6. J. C. LaSalle andL. H. Schwartz,Acta Metall. 34 (1986) 989.

    Google Scholar 

  7. M. Anglada, M. Nasarre andJ. A. Planell,Scripta Metall. 21 (1987) 931.

    Google Scholar 

  8. W. C. Leslie, “The Physical Metallurgy of Steels”, (McGraw-Hill, Tokyo, 1982).

    Google Scholar 

  9. T. D. Nys andP. M. Gielen,Met. Trans. 2 (1971) 1423.

    Google Scholar 

  10. T. J. Nichol, A. Datta andG. Aggen,ibid. 11A (1980) 573.

    Google Scholar 

  11. H. D. Solomon andLevinson,Acta Metall. 26 (1978) 429.

    Google Scholar 

  12. M. Hillert,ibid. 9 (1961) 525.

    Google Scholar 

  13. J. W. Cahn,ibid. 11 (1963) 1275.

    Google Scholar 

  14. H. E. Cook,ibid. 18 (1970) 297.

    Google Scholar 

  15. J. S. Langer, M. Baron andH. D. Miller,Phys. Rev. 11A (1975) 1417.

    Google Scholar 

  16. T. Nishizawa, M. Hasebe andM. Ko,Acta Metall. 27 (1971) 817.

    Google Scholar 

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Authors and Affiliations

  1. Departamento de Fisica Aplicada, Avda. Diagonal 649, Universidad Politécnica de Cataluña, 08028, Barcelona, Spain

    A. Isalgué & M. Anglada

  2. Departamento de Metalurgia, Avda. Diagonal 647, Universidad Politécnica de Cataluña, 08028, Barcelona, Spain

    M. Anglada

  3. Institut Laue-Langevin, B.P. 156 X, 38042, Grenoble Cedex, France

    J. Rodríguez-Carvajal & A. De Geyer

Authors
  1. A. Isalgué
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  2. M. Anglada
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  3. J. Rodríguez-Carvajal
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  4. A. De Geyer
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Isalgué, A., Anglada, M., Rodríguez-Carvajal, J. et al. Study of the spinodal decomposition of an Fe-28Cr-2Mo-4Ni-Nb alloy by small-angle neutron scattering. J Mater Sci 25, 4977–4980 (1990). https://doi.org/10.1007/BF00580116

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  • DOI: https://doi.org/10.1007/BF00580116

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