Patterns of the formation of the structure and properties of the X70 low-carbon steel after high-temperature helical rolling; AIP Conference Proceedings; Vol. 2310, iss. 1 : Physical Mesomechanics. Materials with Multilevel Hierarchical Structure and Intelligent Manufacturing Technology
| Parent link: | AIP Conference Proceedings Vol. 2310, iss. 1 : Physical Mesomechanics. Materials with Multilevel Hierarchical Structure and Intelligent Manufacturing Technology.— 2020.— [020113, 5 p.] |
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| Sumari: | Title screen The results of studies of the effect of high-temperature helical rolling and subsequent interrupted high-rate cooling on the formation of the structure and mechanical properties of the X70 low-carbon steel were presented. In comparison with the ferrite-pearlite structure of the hot-rolled steel, the dispersed structure was formed after this processing. It included a mixture of quasi-equiaxial ferrite grains, acicular bainite, the martensite-austenite component along the boundaries of bainite laths and a small fraction of troostite regions. Besides that, microhardness HV0.05 values increased up to 2370 MPa, as well as yield strength and ultimate tensile strength enhanced by up to 35% and 20%, respectively, compared to those of the hot-rolled state. The strength properties of the steel with the ferrite-bainite structure increased significantly (1.55 times) with a decrease in the test temperature. At the same time, ductility improved by up to 20% when tested under liquid nitrogen conditions. Режим доступа: по договору с организацией-держателем ресурса |
| Idioma: | anglès |
| Publicat: |
2020
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| Accés en línia: | https://doi.org/10.1063/5.0034205 |
| Format: | Electrònic Capítol de llibre |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=664850 |
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| 200 | 1 | |a Patterns of the formation of the structure and properties of the X70 low-carbon steel after high-temperature helical rolling |f A. I. Gordienko, L. S. Derevyagina | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 7 tit.] | ||
| 330 | |a The results of studies of the effect of high-temperature helical rolling and subsequent interrupted high-rate cooling on the formation of the structure and mechanical properties of the X70 low-carbon steel were presented. In comparison with the ferrite-pearlite structure of the hot-rolled steel, the dispersed structure was formed after this processing. It included a mixture of quasi-equiaxial ferrite grains, acicular bainite, the martensite-austenite component along the boundaries of bainite laths and a small fraction of troostite regions. Besides that, microhardness HV0.05 values increased up to 2370 MPa, as well as yield strength and ultimate tensile strength enhanced by up to 35% and 20%, respectively, compared to those of the hot-rolled state. The strength properties of the steel with the ferrite-bainite structure increased significantly (1.55 times) with a decrease in the test temperature. At the same time, ductility improved by up to 20% when tested under liquid nitrogen conditions. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | 0 | |0 (RuTPU)RU\TPU\network\4816 |t AIP Conference Proceedings | |
| 463 | |t Vol. 2310, iss. 1 : Physical Mesomechanics. Materials with Multilevel Hierarchical Structure and Intelligent Manufacturing Technology |o proceedings of the International Conference, 5–9 October 2020, Tomsk, Russia |f ISPMS SB RAS ; eds. V. E. Panin, V. M. Fomin |v [020113, 5 p.] |d 2020 | ||
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| 701 | 1 | |a Derevyagina |b L. S. |g Lyudmila Sergeevna | |
| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет |b Инженерная школа новых производственных технологий |b Отделение материаловедения |3 (RuTPU)RU\TPU\col\23508 |
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