A computational study of the microstructural effect on the deformation and fracture of friction stir welded aluminum; Computational Materials Science; Vol. 116
| Parent link: | Computational Materials Science Vol. 116.— 2016.— [P. 2-10] |
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| Müşterek Yazar: | |
| Diğer Yazarlar: | , , , , , |
| Özet: | Title screen A computational analysis of the microstructural effect on the deformation and fracture of friction stirwelded aluminum is performed. A dynamic boundary-value problem using a plane strain approximationis solved numerically by the finite difference method. The calculations take an explicit account of experimentalpolycrystalline microstructures typical for different weld zones, like the base material, weld nugget,and thermo-mechanically affected zones. The mechanical response of individual grains is simulatedwithin an elastic–plastic formulation of the problem with isotropic strain hardening. A fracture modelallowing for crack generation and propagation in maximum equivalent plastic strain regions is used. Itis shown that the localization of plastic strain and the strength of aluminum in different weld zonesare determined by the microstructure of the material on the advancing side of the weld. Режим доступа: по договору с организацией-держателем ресурса |
| Dil: | İngilizce |
| Baskı/Yayın Bilgisi: |
2016
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| Konular: | |
| Online Erişim: | http://dx.doi.org/10.1016/j.commatsci.2015.10.005 |
| Materyal Türü: | Elektronik Kitap Bölümü |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=646853 |
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| 200 | 1 | |a A computational study of the microstructural effect on the deformation and fracture of friction stir welded aluminum |f R. R. Balokhonov [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: p. 10 (29 tit.)] | ||
| 330 | |a A computational analysis of the microstructural effect on the deformation and fracture of friction stirwelded aluminum is performed. A dynamic boundary-value problem using a plane strain approximationis solved numerically by the finite difference method. The calculations take an explicit account of experimentalpolycrystalline microstructures typical for different weld zones, like the base material, weld nugget,and thermo-mechanically affected zones. The mechanical response of individual grains is simulatedwithin an elastic–plastic formulation of the problem with isotropic strain hardening. A fracture modelallowing for crack generation and propagation in maximum equivalent plastic strain regions is used. Itis shown that the localization of plastic strain and the strength of aluminum in different weld zonesare determined by the microstructure of the material on the advancing side of the weld. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Computational Materials Science | ||
| 463 | |t Vol. 116 |v [P. 2-10] |d 2016 | ||
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