Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 Page 123 Page 1242015 | ANNUAL REPORT 107 Future Activities In FY 2016 the cluster morphology will be correlated with the results of tensile and impact testing to develop hardening models for the FeCrAl alloy system.Additionally, the APT data presented will be used to refine small‑angle neutron scattering (SANS) data previously collected on the mate- rials investigated. SANS analyses can be very sensitive to the assumed composi- tion of the α‑Fe and α’ phases present. Coupling the SANS and APT data sets Distributed Partnership at a Glance NSUF and Partners Facilities and Capabilities Center for Advanced Energy Studies Microscopy and Characterization Suite Oak Ridge National Laboratory High Flux Isotope Reactor, Irradiated Materials Examination andTesting Facility Hot Cells, Low Activation Materials Design and Analysis Laboratory Collaborators Oak Ridge National Laboratory Kinga A. Unocic (co-principal investigator), Kevin G. Field (collaborator) University of Wisconsin- Madison Samuel A. Briggs (co-principal investigator), Kumar Sridharan (co-principal investigator) Figure 4. Trends in calculated cluster number density and average spherical equivalent cluster radius for α’ precipitates in Fe‑18Cr‑2.9Al for different nominal radiation damage doses. will assist in developing a complete and robust understanding of precipitation in the FeCrAl alloy system. Publications and Presentations 1. Field, K. G., S. A. Briggs, P. D. Edmondson, X. Hu, K. C. Littrell, R. Howard, C. M. Parish, andY. Yamamoto, 2015, Evaluation of the effect of composition on radiation harden- ing and embrittlement in model FeCrAl alloys, FY‑15 FCRD Milestone Report: ORNL/TM‑2015/518, September 2015.