Nuclear Science User Facilities 54 Figure 2. a) The predicted minus measured ∆T as a function of fluence for a large body of test-reactor data; b) the √(2Ni+Cu) versus √f in the UCSB-1 irradiation to 1.8 dpa at 593 K; c) measured versus predicted ∆σy based on APT measured f in ATR-1 and other lower-fluence irradiation experiments; d) the evolution of core-shell CRPs to CRP- MNSP precipitates. a) c) b) d)