Integrating in situ TEM experiments and atomistic simulations for defect mechanics |
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| Affiliation: | 1. Georgia Institute of Technology, School of Materials Science and Engineering, Atlanta, GA 30332, United States;2. Georgia Institute of Technology, Woodruff School of Mechanical Engineering, Atlanta, GA 30332, United States;3. University of Florida, Department of Mechanical & Aerospace Engineering, Gainesville, FL 32611, United States;1. Department of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, PA, 15261, United States;2. Center of Electron Microscopy, School of Materials Science & Engineering, Zhejiang University, Hangzhou 310027, China;1. Department of Mechanical Engineering, Northwestern University, Evanston, IL 60208, USA;2. Department of Theoretical and Applied Mechanics, Northwestern University, Evanston, IL 60208, USA;3. iNfinitesimal LLC, Skokie, IL 60077, USA;1. Department of Materials Science and Engineering, University of California, Berkeley, United States;2. Department of Materials Science and Engineering, University of Illinois, 1304 West Green Street, Urbana, IL 61801, United States;3. Department of Materials Science and Engineering, University of Wisconsin-Madison, 1415 Engineering Drive, Madison, WI 53706, United States |
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| Abstract: | With recent advances in computational modeling and in situ transmission electron microscopy (TEM) technologies, there have been increased efforts to apply these approaches to understand defect-based mechanisms dictating deformation mechanics. In situ TEM experiments and atomistic simulations each have their own unique limitations, including observable length and time scales and accessibility of information, motivating approaches that combine the two approaches. In this paper, we review recent studies that combine atomistic simulations and in situ TEM experiments to understand defect mechanisms associated with deformation of metals and alloys. In addition, we discuss ongoing developments in characterization and simulation capabilities that are expected to significantly advance the field of defect mechanics and allow greater integration between atomistic simulations and in situ TEM experiments. |
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