Structure and Phase Composition of Welded Joints Modified by Different Welding Techniques
| Parent link: | AIP Conference Proceedings Vol. 1909 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2017 (AMHS’17).— 2017.— [020204, 4 p.] |
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| Collectivité auteur: | |
| Autres auteurs: | , , , , , |
| Résumé: | Title screen The paper presents the results of transmission electron microscopy (TEM) during the study of structure and phase composition of heat-affected zone (HAZ) of welded joints modified via four welding techniques, namely: electrode welding and electropercussive welding both with and without artificial flaws. The artificial flows represent aluminum pieces. TEM studies are carried out within the heat-affected zone, i.e. between the deposited and base metal, at 0.5 mm distance to the former. The 0.09C-2Mn-1Si-Fe steel type is used for welding. It is shown how the type of welding affects steel morphology, phase composition, defect structure and its parameters. The type of carbide phase is detected as well as the shape and location of particles. Volume fractions are estimated for the structural steel components, alongside with such parameters as the size of [alpha]-phase fragments, scalar and excess dislocation densities, and bending-torsion amplitude of the crystal lattice. Based on these results, we determine the welding technique and the structural component thus launching a mechanism of microcrack nucleation. Режим доступа: по договору с организацией-держателем ресурса |
| Langue: | anglais |
| Publié: |
2017
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| Sujets: | |
| Accès en ligne: | https://doi.org/10.1063/1.5013885 |
| Format: | Électronique Chapitre de livre |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=657177 |
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| 200 | 1 | |a Structure and Phase Composition of Welded Joints Modified by Different Welding Techniques |f A. Smirnov [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 8 tit.] | ||
| 330 | |a The paper presents the results of transmission electron microscopy (TEM) during the study of structure and phase composition of heat-affected zone (HAZ) of welded joints modified via four welding techniques, namely: electrode welding and electropercussive welding both with and without artificial flaws. The artificial flows represent aluminum pieces. TEM studies are carried out within the heat-affected zone, i.e. between the deposited and base metal, at 0.5 mm distance to the former. The 0.09C-2Mn-1Si-Fe steel type is used for welding. It is shown how the type of welding affects steel morphology, phase composition, defect structure and its parameters. The type of carbide phase is detected as well as the shape and location of particles. Volume fractions are estimated for the structural steel components, alongside with such parameters as the size of [alpha]-phase fragments, scalar and excess dislocation densities, and bending-torsion amplitude of the crystal lattice. Based on these results, we determine the welding technique and the structural component thus launching a mechanism of microcrack nucleation. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | 0 | |0 (RuTPU)RU\TPU\network\4816 |t AIP Conference Proceedings | |
| 463 | 0 | |0 (RuTPU)RU\TPU\network\23152 |t Vol. 1909 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2017 (AMHS’17) |o Proceedings of the International conference, 9–13 October 2017, Tomsk, Russia |f National Research Tomsk Polytechnic University (TPU); eds. V. E. Panin, S. G. Psakhie, V. M. Fomin |v [020204, 4 p.] |d 2017 | |
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a структуры | |
| 610 | 1 | |a фазовый состав | |
| 610 | 1 | |a сварные швы | |
| 610 | 1 | |a сварка | |
| 610 | 1 | |a просвечивающая электронная микроскопия | |
| 610 | 1 | |a термические воздействия | |
| 610 | 1 | |a микротрещины | |
| 610 | 1 | |a welding | |
| 610 | 1 | |a transmission electron microscopy | |
| 610 | 1 | |a welds | |
| 701 | 1 | |a Smirnov |b A. |g Aleksander | |
| 701 | 1 | |a Popova |b N. |g Natalya | |
| 701 | 1 | |a Nikonenko |b E. L. |c physicist |c Associate Professor of Tomsk Polytechnic University, candidate of physical and mathematical sciences |f 1962- |g Elena Leonidovna |3 (RuTPU)RU\TPU\pers\35823 |9 18968 | |
| 701 | 1 | |a Ozhiganov |b E. |g Eugeniy | |
| 701 | 1 | |a Ababkov |b N. |g Nikolay | |
| 701 | 1 | |a Koneva |b N. |g Nina | |
| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет (ТПУ) |b Институт международного образования и языковой коммуникации (ИМОЯК) |b Кафедра междисциплинарная (МД) |3 (RuTPU)RU\TPU\col\19012 |
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