Microstructure and low temperature fracture of commercial low carbon pipe steel for modern gas pipelines; AIP Conference Proceedings; Vol. 2167 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019 (AMHS'19)
| Источник: | AIP Conference Proceedings Vol. 2167 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019 (AMHS'19).— 2019.— [020068, 5 p.] |
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| Автор-организация: | |
| Другие авторы: | , , |
| Примечания: | Title screen Commercial low carbon steel of the X80 strength level was studied after controlled rolling and interrupted accelerated cooling. The steel microstructure and its fracture characteristics were evaluated in the test temperature range from +20 to –70°С. It was shown that the high values of mechanical properties (YS = 550?MPa, UTS = 680?MPa), the impact toughness (KCV = 310–400?J/cm2), and cold resistance (critical ductile-brittle transition temperature below— 70°С) are achieved due to the formation of a fine granular bainite structure (40%) in the ferrite matrix (53%). The fraction of brittle troostite (finely dispersed pearlite) after rolling and accelerated cooling is reduced to 6%. The granular bainite structure exhibited fine-grained regions of residual austenite (1–2%), carbides Fe3C, Fe2C, and Mn7C3, as well as FeAl intermetallic particles. Режим доступа: по договору с организацией-держателем ресурса |
| Язык: | английский |
| Опубликовано: |
2019
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| Предметы: | |
| Online-ссылка: | https://doi.org/10.1063/1.5131935 |
| Формат: | Электронный ресурс Статья |
| Запись в KOHA: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=664840 |
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| 200 | 1 | |a Microstructure and low temperature fracture of commercial low carbon pipe steel for modern gas pipelines |f L. S. Derevyagina, A. I. Gordienko, N. S. Surikova | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 6 tit.] | ||
| 330 | |a Commercial low carbon steel of the X80 strength level was studied after controlled rolling and interrupted accelerated cooling. The steel microstructure and its fracture characteristics were evaluated in the test temperature range from +20 to –70°С. It was shown that the high values of mechanical properties (YS = 550?MPa, UTS = 680?MPa), the impact toughness (KCV = 310–400?J/cm2), and cold resistance (critical ductile-brittle transition temperature below— 70°С) are achieved due to the formation of a fine granular bainite structure (40%) in the ferrite matrix (53%). The fraction of brittle troostite (finely dispersed pearlite) after rolling and accelerated cooling is reduced to 6%. The granular bainite structure exhibited fine-grained regions of residual austenite (1–2%), carbides Fe3C, Fe2C, and Mn7C3, as well as FeAl intermetallic particles. | ||
| 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\31884 |t Vol. 2167 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019 (AMHS'19) |o Proceedings of the International Conference, 1–5 October 2019, Tomsk, Russia |f National Research Tomsk Polytechnic University (TPU) ; Institute of Strength Physics and Materials Science SB RAS (Russia) ; eds. V. E. Panin ; S. G. Psakhie ; V. M. Fomin |v [020068, 5 p.] |d 2019 | |
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a трубная сталь | |
| 610 | 1 | |a газопроводы | |
| 610 | 1 | |a микроструктура | |
| 701 | 1 | |a Derevyagina |b L. S. |g Lyudmila | |
| 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 | |
| 701 | 1 | |a Surikova |b N. S. |g Natalya | |
| 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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| 856 | 4 | |u https://doi.org/10.1063/1.5131935 | |
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