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2014 ANNUAL REPORT 139 Distributed Partnership at a Glance ATR NSUF and Partners Facilities and Capabilities Idaho National Laboratory AdvancedTest Reactor Hot Fuel Examination Facility Center for Advanced Energy Studies Microscopy and Characterization Suite Collaborators Idaho National Laboratory John H. Jackson principal investigator SebastienTeysseyre co-principal investigator Electric Power Research Institute Robert Carter co-principal investigator Peter Chou co-principal investigator Future Activities Fracture toughness tests are planned for the first part of 2015 and will be combined with the results of the initial IASCC tests in order to determine if there is any benefit to testing the EPRI-1 specimens at a lower fluence.The IASCC results suggest that even at the medium EPRI-2 fluence the material properties have not been affected. EPRI-1 will be irradiated to a target fluence of 5.0 x 1019 ncm2 in theATR center flux trap as originally planned 5 day cycle and then will be set aside pending fracture toughness test results from EPRI-2. EPRI-3 with a target fluence of 1.0 x 1021 ncm2 will continue an additional cycle of irradia- tion and should be ready for shipment to HFEF in late 2015. Specimens from these test capsules are scheduled for testing in 2015 and 2016. Testing on the EPRI-2 specimens through the first part of 2015 will include fracture toughness and confir- matory IASCC tests for both X-750 and XM-19. If the EPRI-3 irradiation is completed during that time frame those specimens may be tested as well. Publications and Presentations 1. C. R.Tyler P. E. Murray and J.W. Nielsen 2014 CRADA EPRI Phase II Design Report INLLTD 12 24400 Rev. 1 February 2014. See additional publications from other years in the Media Library on the NSUF website. Figure 5. IASCC test results for X-750 irradiated to 1.93 x 1020 ncm2 . CGR is the dark blue line.