Plastic deformation and fracture of polycrystalline Ni–Ti with stress concentrators of different scales |
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| Authors: | VE Panin YeYe Deryugin LS Derevyagina AI Lotkov BI Suvorov |
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| Institution: | Institute of Strength Physics and Materials Science, Severian Branch of Russian Academy of Sciences, Tomsk 634021, Russian Federation |
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| Abstract: | Stress concentrators of different scales inherent in polycrystals tend to form mesosubstructures under load. Television-optical images of displacements are obtained for the Ni–Ti alloy to study the deformation and fracture behavior. Discussed are similarity laws in connection with the formation of dissipative structures at the micro- and macro-scale level. |
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| Keywords: | Plastic deformation Fracture Stress concentrators Mesomechanics |
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