Quantitative Characterization of Ultrafine Grained 12GBA Steel with Scanning Tunnel Microscopy
| Parent link: | AIP Conference Proceedings Vol. 1783 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016.— 2016.— [020127, 5 p.] |
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| Enti autori: | , |
| Altri autori: | , , , |
| Riassunto: | Title screen Coarse grained 12GBA steel was machined by multiaxial isothermal forging and warm rolling. Quantitative characteristics of steel structure were studied with scanning tunnel microscopy. Deformation processing was found to lead to ultrafine-grained structure formation, lamellar cementite fragmentation and its further spheroidization. Relative energies of individual ferrite/pearlite and intraphase pearlite boundaries were estimated by grain boundary dihedral angle measurement. It was revealed that ferrite/pearlite boundary energy is 1.5-2 times higher than the energy of intraphase pearlite boundary. Cumulative distribution functions for internal interfaces energy showed the decrease in relative energy after deformation processing as compared to coarse grained state. Obtained results were explained by an increase of lowangle boundary fraction and non equilibrium grain boundary segregation. Режим доступа: по договору с организацией-держателем ресурса |
| Lingua: | inglese |
| Pubblicazione: |
2016
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| Soggetti: | |
| Accesso online: | http://dx.doi.org/10.1063/1.4966420 |
| Natura: | Elettronico Capitolo di libro |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=652709 |
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| 200 | 1 | |a Quantitative Characterization of Ultrafine Grained 12GBA Steel with Scanning Tunnel Microscopy |f P. V. Kuznetsov [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 13 tit.] | ||
| 330 | |a Coarse grained 12GBA steel was machined by multiaxial isothermal forging and warm rolling. Quantitative characteristics of steel structure were studied with scanning tunnel microscopy. Deformation processing was found to lead to ultrafine-grained structure formation, lamellar cementite fragmentation and its further spheroidization. Relative energies of individual ferrite/pearlite and intraphase pearlite boundaries were estimated by grain boundary dihedral angle measurement. It was revealed that ferrite/pearlite boundary energy is 1.5-2 times higher than the energy of intraphase pearlite boundary. Cumulative distribution functions for internal interfaces energy showed the decrease in relative energy after deformation processing as compared to coarse grained state. Obtained results were explained by an increase of lowangle boundary fraction and non equilibrium grain boundary segregation. | ||
| 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\17851 |t Vol. 1783 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016 |o Proceedings of the International conference, 19–23 September 2016, Tomsk, Russia |f National Research Tomsk Polytechnic University (TPU); eds. V. E. Panin ; S. G. Psakhie ; V. M. Fomin |v [020127, 5 p.] |d 2016 | |
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a количественная характеристика | |
| 610 | 1 | |a стали | |
| 610 | 1 | |a 12ГБА | |
| 610 | 1 | |a сканирующая туннельная микроскопия | |
| 610 | 1 | |a деформации | |
| 610 | 1 | |a механическая обработка | |
| 610 | 1 | |a стальные конструкции | |
| 701 | 1 | |a Kuznetsov |b P. V. |c physicist |c Associate Professor of Tomsk Polytechnic University, Candidate of physical and mathematical sciences |f 1952- |g Pavel Viktorovich |3 (RuTPU)RU\TPU\pers\34499 |9 17882 | |
| 701 | 1 | |a Rakhmatulina |b T. |g Tanzilya | |
| 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 Shumakova |b D. |g Dariya | |
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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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