Size effects in miniaturized polycrystalline FCC samples: Strengthening versus weakening
This paper focuses on a computational-experimental analysis of sample geometry dominated and grain dominated size effects in miniaturized polycrystalline FCC components, where the grain size, orientation and grain boundaries play an important role. Experimental and numerical findings elucidate the j...
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| Veröffentlicht in: | International journal of solids and structures 2006-11, Vol.43 (24), p.7304-7321 |
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| container_issue | 24 |
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| container_title | International journal of solids and structures |
| container_volume | 43 |
| creator | Geers, M.G.D. Brekelmans, W.A.M. Janssen, P.J.M. |
| description | This paper focuses on a computational-experimental analysis of sample geometry dominated and grain dominated size effects in miniaturized polycrystalline FCC components, where the grain size, orientation and grain boundaries play an important role. Experimental and numerical findings elucidate the joint contribution of first-order and second-order size effects for this type of components. The intrinsic competition between the weakening and strengthening contributions resulting from these effects is commented and further analysed. It is shown that a second-order crystal plasticity model is needed to account for the simultaneous contributions of both size effects. |
| doi_str_mv | 10.1016/j.ijsolstr.2006.05.009 |
| format | Article |
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Experimental and numerical findings elucidate the joint contribution of first-order and second-order size effects for this type of components. The intrinsic competition between the weakening and strengthening contributions resulting from these effects is commented and further analysed. 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Experimental and numerical findings elucidate the joint contribution of first-order and second-order size effects for this type of components. The intrinsic competition between the weakening and strengthening contributions resulting from these effects is commented and further analysed. It is shown that a second-order crystal plasticity model is needed to account for the simultaneous contributions of both size effects.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.ijsolstr.2006.05.009</doi><tpages>18</tpages><oa>free_for_read</oa></addata></record> |
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| issn | 0020-7683 1879-2146 |
| language | eng |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Access via ScienceDirect (Elsevier) |
| subjects | Crystal plasticity Miniaturization Size effects Strain gradient |
| title | Size effects in miniaturized polycrystalline FCC samples: Strengthening versus weakening |
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