b'2019 | ANNUAL REPORTConclusion effects of helium on grain bound-The results of this project provide newary fracture of austenitic stainless insights and advanced microstructuresteel, J. Nucl. Mater. 457 (2015) data on neutron-irradiated SS 304 and279-290. nickel-base alloy X-750. It also provides[3.] J.I. Cole: NSUF Fuels and Materials specific segregation behavior of differentLibrary, INL/EXT-15-36345, 2015types of grain boundaries, both before and after irradiation. These data are[4.] L. He, X.M. Bai, J. Pakarinen, B. being incorporated into molecularJaques, J. Gan, A.T. Nelson, A. El-dynamics (MD) and density functionalAzab, and T.R. Allen: Bubble Evolu-theory (DFT) simulations of corre- tion in Kr-irradiated UO2 during sponding alloys. Annealing, J. Nucl. Mater., 496 References (2017) 242-250.[1.] K. Fujii and K. Fukuya: Develop- Publicationsment of micro tensile testing meth- [1.] X. Liu, L. He, H. Yan, M. Bach-od in an FIB system for evaluatinghav, J.F. Stubbins: A transmission grain boundary strength, Mater.electron microscopy study of EBR-II Trans., 52 (2011) 20-24. neutron-irradiated austenitic stain-[2.] T. Miura, K. Fujii, and K. Fukuya:less steel 304 and nickel-base alloy Micro-mechanical investigation forX-750, J. Nucl. Mater., 528 (2020) 151851.Distributed Partnership at a GlanceNSUF and Partners Facilities and CapabilitiesIdaho National Laboratory Electron Microscopy Laboratory,Irradiated MaterialsCharacterization LaboratoryCollaboratorsIdaho National Laboratory Lingfeng He (principal investigator), Mukesh Bachhav (co-principal investigator), Sebastien Teysseyre (co-principal investigator), Xiang Liu (collaborator)55'