Direct two-level crystal plasticity model: Application to analyze the influence of free specimen boundaries
In this work, using of direct modeling, the dependence of the inelastic deformation processes in a polycrystalline sample on their scale is shown. For this, a direct crystal plasticity model was used, in which the presence of a free surface and its effect on the mechanical properties of the material...
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| creator | Yants, A. Yu Tokarev, A. A. Trusov, P. V. |
| description | In this work, using of direct modeling, the dependence of the inelastic deformation processes in a polycrystalline sample on their scale is shown. For this, a direct crystal plasticity model was used, in which the presence of a free surface and its effect on the mechanical properties of the material were explicitly taken into account. The presence of a free surface is taken into account through a decrease in the initial critical stresses in slip systems of near-surface elements. In this regard, plastic shears are initiated primarily at the free surface. Numerical experiments have shown that the growth of plastic deformations in grains, as well as fragmentation processes, proceed differently when the free surface is taken into account. |
| doi_str_mv | 10.1063/5.0034244 |
| format | Conference Proceeding |
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Yu ; Tokarev, A. A. ; Trusov, P. V.</creator><contributor>Panin, Victor E ; Fomin, Vasily M</contributor><creatorcontrib>Yants, A. Yu ; Tokarev, A. A. ; Trusov, P. V. ; Panin, Victor E ; Fomin, Vasily M</creatorcontrib><description>In this work, using of direct modeling, the dependence of the inelastic deformation processes in a polycrystalline sample on their scale is shown. For this, a direct crystal plasticity model was used, in which the presence of a free surface and its effect on the mechanical properties of the material were explicitly taken into account. The presence of a free surface is taken into account through a decrease in the initial critical stresses in slip systems of near-surface elements. In this regard, plastic shears are initiated primarily at the free surface. Numerical experiments have shown that the growth of plastic deformations in grains, as well as fragmentation processes, proceed differently when the free surface is taken into account.</description><identifier>ISSN: 0094-243X</identifier><identifier>EISSN: 1551-7616</identifier><identifier>DOI: 10.1063/5.0034244</identifier><identifier>CODEN: APCPCS</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Deformation ; Free surfaces ; Mechanical properties ; Plastic properties</subject><ispartof>AIP conference proceedings, 2020, Vol.2310 (1)</ispartof><rights>Author(s)</rights><rights>2020 Author(s). 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V.</creatorcontrib><title>Direct two-level crystal plasticity model: Application to analyze the influence of free specimen boundaries</title><title>AIP conference proceedings</title><description>In this work, using of direct modeling, the dependence of the inelastic deformation processes in a polycrystalline sample on their scale is shown. For this, a direct crystal plasticity model was used, in which the presence of a free surface and its effect on the mechanical properties of the material were explicitly taken into account. The presence of a free surface is taken into account through a decrease in the initial critical stresses in slip systems of near-surface elements. In this regard, plastic shears are initiated primarily at the free surface. Numerical experiments have shown that the growth of plastic deformations in grains, as well as fragmentation processes, proceed differently when the free surface is taken into account.</description><subject>Deformation</subject><subject>Free surfaces</subject><subject>Mechanical properties</subject><subject>Plastic properties</subject><issn>0094-243X</issn><issn>1551-7616</issn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2020</creationdate><recordtype>conference_proceeding</recordtype><recordid>eNp9kEtLAzEYRYMoWB8L_0HAnTA1mWQecVfqEwpuFNyFTOYbTE0nMUkr4693agvuXN3N4XLPReiCkiklJbsupoQwnnN-gCa0KGhWlbQ8RBNCBM9yzt6O0UmMS0JyUVX1BH3cmgA64fTlMgsbsFiHISZlsbcqJqNNGvDKtWBv8Mx7a7RKxvU4Oax6ZYdvwOkdsOk7u4ZeA3Yd7gIAjh60WUGPG7fuWxUMxDN01Ckb4Xyfp-j1_u5l_pgtnh-e5rNF5vO6TlnZCqbGgQzqltBaaM26ouFlo1qWF6zjwJp668MoHylBGQXRNrrRhdJCKHaKLne9PrjPNcQkl24dxrVR5rwUdVXmlRipqx0VR8dfKemDWakwSErk9kxZyP2Z_8EbF_5A6duO_QBdGXZe</recordid><startdate>20201214</startdate><enddate>20201214</enddate><creator>Yants, A. Yu</creator><creator>Tokarev, A. A.</creator><creator>Trusov, P. V.</creator><general>American Institute of Physics</general><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20201214</creationdate><title>Direct two-level crystal plasticity model: Application to analyze the influence of free specimen boundaries</title><author>Yants, A. Yu ; Tokarev, A. A. ; Trusov, P. V.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p288t-6d93a0023e8d0189cc3f5b46bad3253f4e3b800943140239131e9dbcbc5ac99a3</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Deformation</topic><topic>Free surfaces</topic><topic>Mechanical properties</topic><topic>Plastic properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yants, A. Yu</creatorcontrib><creatorcontrib>Tokarev, A. 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In this regard, plastic shears are initiated primarily at the free surface. Numerical experiments have shown that the growth of plastic deformations in grains, as well as fragmentation processes, proceed differently when the free surface is taken into account.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/5.0034244</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | AIP conference proceedings, 2020, Vol.2310 (1) |
| issn | 0094-243X 1551-7616 |
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| source | AIP Journals Complete |
| subjects | Deformation Free surfaces Mechanical properties Plastic properties |
| title | Direct two-level crystal plasticity model: Application to analyze the influence of free specimen boundaries |
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