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| Abstract |
In order to clarify the microstructures of [001] symmetric tilt boundary in molybdenum, high-resolution transmission electron microscope (HRTEM) observation and molecular dynamics (MD) methods have be...en employed in this study. For the calculation, Finnis-Sinclair (F-S) type N-body potential for molybdenum has been applied. Moreover, atomic periodicity of the grain boundary structures have been also examined by using micro-diffraction analysis. As a result, it was found that the symmetric tilt boundaries consist of the combination of some structure units, which is based on the stable boundaries ((01(-)0)σ1 and (11(-)0)σ1, and (13(-)0)σ5 coincidence boundaries), and its periodicity can be also completely described in atomic-scale by the concept of structure unit model.show more
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