Abstract
Abstract The role of interstitials for atomic transport under irradiation is not yet known for most of the concentrated binary and ternary alloys. For a few binary alloys, e.g. CuNi and a-CuZn, interstitialcy mass transport at temperatures around 100 K has been found after MeV electron and fast neutron irradiation at lower temperatures,1–7. In the present study the residual resistivity behaviour of CuNiFe alloys with a Ni content of 48 at.% and different Fe contents between 0 and 8 at.% was investigated upon isochronal annealing after electron irradiation at 77 K and 473 K. The question is studied whether the addition of undersized Fe atoms modifies or even preventsthe interstitialcy mass transport.
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