Abstract

Abstract The isochronal annealing curves of the electrical resistivity in dilute Ni alloys have been measured after fast neutron irradiation at about 5 K. The suppression of the stage I recovery in dilute alloys is due to the trapping of interstitials at solute atoms. The trapping ability of interstitials in Ni alloys is very small as compared with that in Cu alloys. The substages in the stage II recovery are discussed in relation to the release of interstitials from solute atoms. In some concentrated alloys the retention of defects after annealing at 400 K is smaller than that in dilute alloys and pure Ni.

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