Formation of a Multilevel Hierarchical Mesosubstructure by Cross Rolling and Its Influence on the Mechanical Behavior of Austenitic Steel; Physical Mesomechanics; Vol. 21, iss. 5
| Parent link: | Physical Mesomechanics Vol. 21, iss. 5.— 2018.— [P. 430-440] |
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| Ente Autore: | |
| Altri autori: | , , , , |
| Riassunto: | Title screen A multilevel hierarchical mesosubstructure is experimentally shown to form in metastable austenitic steel subjected to multipass cross rolling in the temperature range 950-75№C. A multilayer mesosubstructure with highly refined grains, changed grain geometry and microhardness builds up between the macro- and microlevels. Its outer layer has a finely dispersed structure and the highest microhardness H? = 3400 MPa. The two underlying layers are composed of globular grains 0.9 ?m in diameter and exhibit the respective close microhardnesses 3100 and 3000 MPa. The near-axial layer has elongated grains of a fiber-band structure with nanosized width. Between the micro- and nanolevels, a nanosized hierarchical mesosubstructure is formed in all band structures, with the mesosubstructure of nanosized carbides and cardonitrides precipitated at low-angle boundaries. Despite a certain decrease in the steel plasticity in uniaxial tension, such a multilevel mesosubstructure causes a multiple increase in its fatigue life. The formation of hierarchical mesosubstructures is associated with the mechanism of plastic distortion under the conditions of the crystal lattice curvature, when bifurcational structural states arise in its interstices. Multilevel hierarchical mesosubstructures have a strong positive effect on the mechanical behavior of solids, by increasing their strength, wear resistance, and fatigue life. Режим доступа: по договору с организацией-держателем ресурса |
| Lingua: | inglese |
| Pubblicazione: |
2018
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| Soggetti: | |
| Accesso online: | https://doi.org/10.1134/S1029959918050077 |
| Natura: | MixedMaterials Elettronico Capitolo di libro |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=661419 |
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| 200 | 1 | |a Formation of a Multilevel Hierarchical Mesosubstructure by Cross Rolling and Its Influence on the Mechanical Behavior of Austenitic Steel |d Создание поперечно-винтовой прокаткой многоуровневой иерархической мезосубструктуры и ее влияние на механическое поведение аустенитной стали |f N. S. Surikova, V. E. Panin, N. A. Narkevich [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 37 tit.] | ||
| 330 | |a A multilevel hierarchical mesosubstructure is experimentally shown to form in metastable austenitic steel subjected to multipass cross rolling in the temperature range 950-75№C. A multilayer mesosubstructure with highly refined grains, changed grain geometry and microhardness builds up between the macro- and microlevels. Its outer layer has a finely dispersed structure and the highest microhardness H? = 3400 MPa. The two underlying layers are composed of globular grains 0.9 ?m in diameter and exhibit the respective close microhardnesses 3100 and 3000 MPa. The near-axial layer has elongated grains of a fiber-band structure with nanosized width. Between the micro- and nanolevels, a nanosized hierarchical mesosubstructure is formed in all band structures, with the mesosubstructure of nanosized carbides and cardonitrides precipitated at low-angle boundaries. Despite a certain decrease in the steel plasticity in uniaxial tension, such a multilevel mesosubstructure causes a multiple increase in its fatigue life. The formation of hierarchical mesosubstructures is associated with the mechanism of plastic distortion under the conditions of the crystal lattice curvature, when bifurcational structural states arise in its interstices. Multilevel hierarchical mesosubstructures have a strong positive effect on the mechanical behavior of solids, by increasing their strength, wear resistance, and fatigue life. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Physical Mesomechanics | ||
| 463 | |t Vol. 21, iss. 5 |v [P. 430-440] |d 2018 | ||
| 510 | 1 | |a Создание поперечно-винтовой прокаткой многоуровневой иерархической мезосубструктуры и ее влияние на механическое поведение аустенитной стали |z rus | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a multilevel hierarchical mesosubstructure | |
| 610 | 1 | |a nanoscale substructure | |
| 610 | 1 | |a cross rolling | |
| 610 | 1 | |a metastable austenitic steel | |
| 610 | 1 | |a mesomechanics of mechanical behavior | |
| 610 | 1 | |a многоуровневая иерархическая память | |
| 610 | 1 | |a наноразмерные структуры | |
| 610 | 1 | |a субструктуры | |
| 610 | 1 | |a поперечная прокатка | |
| 610 | 1 | |a метастабильные состояния | |
| 610 | 1 | |a аустенитная сталь | |
| 610 | 1 | |a мезомеханика | |
| 610 | 1 | |a механическое поведение | |
| 701 | 1 | |a Surikova |b N. S. |g Nataljya Sergeevna | |
| 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 Narkevich |b N. A. |g Nataljya Arkadjevna | |
| 701 | 1 | |a Mishin |b I. P. |g Ivan Petrovich | |
| 701 | 1 | |a Gordienko |b A. I. |c specialist in the field of material science |c Associate Professor of Tomsk Polytechnic University, Candidate of technical sciences |f 1982- |g Antonina Ildarovna |3 (RuTPU)RU\TPU\pers\46862 |9 22484 | |
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