Abstract
Analytical electron microscopy (AEM) has provided structural, crystallographic, and compositional characterization to aid in the understanding of radiation damage processes, especially in multiphase materials. The range of AEM techniques is based on the use of as many of the signals produced by the interaction of an electron beam with a specimen as possible. This paper briefly discusses the origins, capabilities, and current developments of AEM, including the spatial resolution of the various techniques. Several important applications of AEM in radiation damage studies, including radiation-induced segregation and phase instability in austenitic stainless steels, will be reviewed. From the comparison of phase equilibria under irradiation to that under thermal aging, principles for alloy development in non-nuclear applications will be discussed.
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