Engineering Calculation of Fracture Toughness of Materials with Chevron-Notched Specimens
| Parent link: | AIP Conference Proceedings Vol. 1683 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures.— 2015.— [020039, 4 p.] |
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| Ente Autore: | |
| Altri autori: | , , , , |
| Riassunto: | Title screen A new method of crack resistance of metal materials is given for small-sized chevron-notched specimens. Specific fracture energy (SFE) is offered to be the main characteristic of fracture toughness. A relation for notch edges opening [liambda][e] versus the applied external force, crack length and chevron angle was found theoretically. It makes it possible to evaluate variations of compliance of a specimen in the process of crack spreading without the “loading-unloading” regime. Unlike linear fracture mechanics, this technique does not require special conditions on the size of the plastic zone in the vicinity of the crack tip. It is shown that the measured displacement of the notch edges opening [liambda] contains the term [liambda][p], which relates to some plastic deformation of a specimen and does not depend on the crack growth. In general, [liambda]=[liambda][e]+[liambda][p]. Режим доступа: по договору с организацией-держателем ресурса |
| Lingua: | inglese |
| Pubblicazione: |
2015
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| Soggetti: | |
| Accesso online: | http://dx.doi.org/10.1063/1.4932729 |
| Natura: | Elettronico Capitolo di libro |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=644878 |
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| 200 | 1 | |a Engineering Calculation of Fracture Toughness of Materials with Chevron-Notched Specimens |f Ye. Deryugin [et al.] | |
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| 300 | |a Title screen | ||
| 320 | |a [References: 4 tit.] | ||
| 330 | |a A new method of crack resistance of metal materials is given for small-sized chevron-notched specimens. Specific fracture energy (SFE) is offered to be the main characteristic of fracture toughness. A relation for notch edges opening [liambda][e] versus the applied external force, crack length and chevron angle was found theoretically. It makes it possible to evaluate variations of compliance of a specimen in the process of crack spreading without the “loading-unloading” regime. Unlike linear fracture mechanics, this technique does not require special conditions on the size of the plastic zone in the vicinity of the crack tip. It is shown that the measured displacement of the notch edges opening [liambda] contains the term [liambda][p], which relates to some plastic deformation of a specimen and does not depend on the crack growth. In general, [liambda]=[liambda][e]+[liambda][p]. | ||
| 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\9779 |t Vol. 1683 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures |o Proceedings of the International Conference, 21–25 September 2015, Tomsk, Russia |f National Research Tomsk Polytechnic University (TPU) ; ed. V. E. Panin ; S. G. Psakhie ; V. M. Fomin |v [020039, 4 p.] |d 2015 | |
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| 701 | 1 | |a Deryugin |b Ye. |g Yevgeny | |
| 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 | |
| 701 | 1 | |a Suvorov |b B. |g Boris | |
| 701 | 1 | |a Kibitkin |b V. |g Vladimir | |
| 701 | 1 | |a Antipina |b N. A. |c specialist in the field of engineering graphics and descriptive geometry |c Associate Professor of Tomsk Polytechnic University, Candidate of technical sciences |f 1972- |g Nataljya Alekseevna |3 (RuTPU)RU\TPU\pers\35817 |9 18962 | |
| 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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