Segregation-induced hardening by dislocation loops in bcc FeCr alloys


Segregation-induced hardening by dislocation loops in bcc FeCr alloys

Terentyev, D.; Bergner, F.; Bonny, G.; Zhurkin, E. E.; Malerba, L.

Enrichment of Cr on both <100> and ½<111> dislocation loops has been reported under ion, electron and neutron irradiation in Fe-xCr with x=9-15 at.%. Cr enrichment in Fe-9,12Cr around edge of loops is predicted by atomistic Monte Carlo simulations. MC simulations indicate that Cr clustering on loops disappears above equilibrium solubility limit (ΔT~100-150K). MD simulations indicate that Cr enrichment at loops enhances their strength in a range of specific loading conditions.

  • Lecture (Conference)
    16th Meeting of the International Group on Radiation Damage Mechanisms in Pressure Vessel Steels (IGRDM-16), 04.-09.12.2011, Santa Barbara, USA
  • Contribution to proceedings
    IGRDM-16, 04.-09.12.2011, Santa Barbara, USA
    Proceedings of IGRDM-16

Permalink: https://www.hzdr.de/publications/Publ-16453
Publ.-Id: 16453