The Effect of Advanced Ultrasonic Forging on Fatigue Fracture Mechanisms of Welded Ti-6А1-4V Alloy
| Parent link: | AIP Conference Proceedings Vol. 1909 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2017 (AMHS’17).— 2017.— [020206, 4 p.] |
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| Autor kompanije: | |
| Daljnji autori: | , , , , , |
| Sažetak: | Title screen The current study is devoted to application of advanced postwelding ultrasonic forging to joints formed by laser welding of Ti-6А1-4V alloy in order to enhance their mechanical properties and fatigue durability. Low cycle fatigue tests were performed via digital image correlation technique used to obtain strain fields and in situ characterization of deformation, crack growth and fracture. Fracture surfaces were studied by SEM analysis accompanied with calculation of fracture patterns percentage. The fatigue tests demonstrate the high increase in the number of cycles until fracture (from 17 000 to 32 000 cycles) which could be explained by high ductility of welded material after treatment. This leads to lower fatigue crack growth rate due to higher energy dissipation. The obtained effect is attributable only for small cracks on micro-/mesoscales and fails to play a significant role for macro cracks. Режим доступа: по договору с организацией-держателем ресурса |
| Jezik: | engleski |
| Izdano: |
2017
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| Teme: | |
| Online pristup: | https://doi.org/10.1063/1.5013887 |
| Format: | Elektronički Poglavlje knjige |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=657178 |
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| 200 | 1 | |a The Effect of Advanced Ultrasonic Forging on Fatigue Fracture Mechanisms of Welded Ti-6А1-4V Alloy |f A. Smirnova [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 5 tit.] | ||
| 330 | |a The current study is devoted to application of advanced postwelding ultrasonic forging to joints formed by laser welding of Ti-6А1-4V alloy in order to enhance their mechanical properties and fatigue durability. Low cycle fatigue tests were performed via digital image correlation technique used to obtain strain fields and in situ characterization of deformation, crack growth and fracture. Fracture surfaces were studied by SEM analysis accompanied with calculation of fracture patterns percentage. The fatigue tests demonstrate the high increase in the number of cycles until fracture (from 17 000 to 32 000 cycles) which could be explained by high ductility of welded material after treatment. This leads to lower fatigue crack growth rate due to higher energy dissipation. The obtained effect is attributable only for small cracks on micro-/mesoscales and fails to play a significant role for macro cracks. | ||
| 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 [020206, 4 p.] |d 2017 | |
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| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a ультразвуковая ковка | |
| 610 | 1 | |a разрушения | |
| 610 | 1 | |a сплавы | |
| 610 | 1 | |a сварка | |
| 610 | 1 | |a долговечность | |
| 610 | 1 | |a деформации | |
| 610 | 1 | |a трещины | |
| 610 | 1 | |a пластичность | |
| 610 | 1 | |a ultrasonics | |
| 610 | 1 | |a yield stress | |
| 610 | 1 | |a material fatigue | |
| 610 | 1 | |a ductility | |
| 610 | 1 | |a optical metrology | |
| 701 | 1 | |a Smirnova |b A. | |
| 701 | 1 | |a Pochivalov |b Yu. | |
| 701 | 1 | |a Panin |b V. E. |c Director of Russian materials science center |c Research advisor of Institute of strength physics and materials science of Siberian branch of Russian Academy of Sciences |f 1930- |g Viktor Evgenyevich |3 (RuTPU)RU\TPU\pers\26443 |9 12146 | |
| 701 | 1 | |a Panin |b S. V. |c specialist in the field of material science |c Professor of Tomsk Polytechnic University, Doctor of technical sciences |f 1971- |g Sergey Viktorovich |3 (RuTPU)RU\TPU\pers\32910 |9 16758 | |
| 701 | 1 | |a Eremin |b A. V. |c specialist in the field of material science |c Engineer of Tomsk Polytechnic University |f 1990- |g Alexandr Vyacheslavovich |3 (RuTPU)RU\TPU\pers\32912 | |
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| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет (ТПУ) |b Институт физики высоких технологий (ИФВТ) |b Кафедра материаловедения в машиностроении (ММС) |3 (RuTPU)RU\TPU\col\18688 |
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