Point defect annihilation at grain boundaries in gold
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Effect of manganese on the grain boundary network of lath martensite in precipitation hardenable stainless steels
2021, Journal of Alloys and CompoundsDefect evolution in heavy ion irradiated nanotwinned Cu with nanovoids
2017, Journal of Nuclear MaterialsRadiation instability of equal channel angular extruded T91 at ultra-high damage levels
2017, Acta MaterialiaCitation Excerpt :Alloy processing by ECAE results in a large increase in dislocation and grain boundary density. Grain boundaries are efficient sinks for interstitials, vacancies, and gas atoms, and have been shown to effectively suppress swelling in some studies [16,17]. A previous low damage level study of T91 refined by ECAE has shown the processed material to possess superior radiation resistance compared to an unrefined T91 specimen [18].
Point defect sink efficiency of low-angle tilt grain boundaries
2017, Journal of the Mechanics and Physics of SolidsIn situ studies on radiation tolerance of nanotwinned Cu
2016, Acta MaterialiaEnergetics of point defect interacting with bi-crystal Σ3 copper grain boundaries
2016, Computational Materials ScienceCitation Excerpt :To evaluate the point defect sink strength of GBs, much efforts have been invested into GBs of different materials, such as Cu [5,16–18], W [19], Fe [19,20], Au [4,21] and MgO [22], etc. The sink efficiency of a GB is usually characterized by the defect-free zone (DFZ) width existing on both sides of GB [1,4,5,23,24]. Experiments have revealed that DFZ width is generally dependent on no only the GB character such as misorientation angle and GB planes [5], but also some other information pertaining to GB type such as low angle vs high angle [1,4], Σ value [4,5], etc.
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