期刊
JOURNAL OF MATERIALS RESEARCH
卷 30, 期 9, 页码 1275-1289出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1557/jmr.2015.32
关键词
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资金
- U.S. DOE's Office of Nuclear Energy, Advanced Fuel Campaign of the Fuel Cycle RD program
- US DOE, Office of Nuclear Energy Nuclear Energy University Program (NEUP) [10-172, 10-678]
- US DOE, Nuclear Energy Research Initiative [08-055]
- US DOE, Office of Nuclear Energy under DOE Idaho Operations Office, ATR National Scientific User Facility experiment [DE-AC07-05ID1451, 13-419]
- ORNL's Center for Nanophase Materials Sciences (CNMS)
- Department of Energy's Office of Biological and Environmental Research and located at Pacific Northwest National Laboratory
- Department of Energy's Basic Energy Sciences
- State of North Carolina
- National Science Foundation (NCSU Titan G2 S/TEM)
- Materials Sciences and Engineering Division, Office of Basic Energy Sciences, U.S. Department of Energy
This paper provides an overview of advanced scanning transmission electron microscopy (STEM) techniques used for characterization of irradiated BCC Fe-based alloys. Advanced STEM methods provide the high-resolution imaging and chemical analysis necessary to understand the irradiation response of BCC Fe-based alloys. The use of STEM with energy dispersive x-ray spectroscopy (EDX) for measurement of radiation-induced segregation (RIS) is described, with an illustrated example of RIS in proton- and self-ion irradiated T91. Aberration-corrected STEM-EDX for nanocluster/nanoparticle imaging and chemical analysis is also discussed, and examples are provided from ion-irradiated oxide dispersion strengthened (ODS) alloys. Finally, STEM techniques for void, cavity, and dislocation loop imaging are described, with examples from various BCC Fe-based alloys.
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