2021
DOI: 10.3390/met11010154
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Interaction of Migrating Twin Boundaries with Obstacles in Magnesium

Abstract: Interaction of migrating {101¯2} twin boundary with obstacles was analyzed by atomistic and finite elements computer simulations of magnesium. Two types of obstacles were considered: one is a non-shearable obstacle and another one is the void inside bulk material. It is shown that both types of obstacles inhibit twin growth and increased stress is necessary to engulf the obstacle in both cases. However, the increase of critical resolved shear stress is higher for the passage of the twin boundary through raw of… Show more

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Cited by 4 publications
(2 citation statements)
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“…The study is based on a multiscale a g the FFT patterns, the orientation relationship between the α-Mg onfirmed by the authors to be (0001)ɑ ǁ (0001)AgMg4, [−2110]ɑ ǁ [10ings show that it is possible to improve the age-hardening response ng kinetics of Mg-Ag-Ca alloys by microstructural design. , written by Ostapovets, A., Kushnir, K., Máthis, K. and Šiška, F. [6] erical analysis of the interaction between the growing tensile twin nesium. The study is based on a multiscale approach as the twin sing an atomistic model, while the overall stress state is evaluated method.…”
Section: Contributionsmentioning
confidence: 99%
“…The study is based on a multiscale a g the FFT patterns, the orientation relationship between the α-Mg onfirmed by the authors to be (0001)ɑ ǁ (0001)AgMg4, [−2110]ɑ ǁ [10ings show that it is possible to improve the age-hardening response ng kinetics of Mg-Ag-Ca alloys by microstructural design. , written by Ostapovets, A., Kushnir, K., Máthis, K. and Šiška, F. [6] erical analysis of the interaction between the growing tensile twin nesium. The study is based on a multiscale approach as the twin sing an atomistic model, while the overall stress state is evaluated method.…”
Section: Contributionsmentioning
confidence: 99%
“…This is the reason why disconnections are forced to bow around the hard defects leaving a loop on the GB behind the interaction, or to shear them in case of shearable defects. These interesting features of the GBdefect interaction have attracted significant attention of material research at the present time in bcc [64] and hcp [132,133] metals. In this work we study in detail the interaction of the {112} GB and its glissile defects with irradiation defects placed on or near the GB, such as Cr precipitates, voids and He bubbles.…”
Section: Interaction Of Mobile Gb Defects With Irradiation Defectsmentioning
confidence: 99%