Fusion neutron effects on magnetoresistivity of copper stabilizer materials

We have measured the changes which occur in the magnetoresistivity of coppers (having various purities and pretreatments) at magnetic fields up to 12 T during the course of sequential fusion neutron irradiations at about 4 K and anneals to room temperature. In conjunction with work in progress by Coltman and Klabunde of Oak Ridge National Laboratory (ORNL), the results should lead to engineering design data for the stabilizers of superconducting magnets in fusion reactors. These magnets are expected to be irradiated during reactor operation and warmed to room temperature periodically during maintenance. (orig.)