The effect of hydrogen on strain hardening and fracture mechanism of high-nitrogen austenitic steel; IOP Conference Series: Materials Science and Engineering; Vol. 140 : Interdisciplinary Problems in Additive Technologies
| Parent link: | IOP Conference Series: Materials Science and Engineering Vol. 140 : Interdisciplinary Problems in Additive Technologies.— 2016.— [012005, 6 p.] |
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| Autor Corporativo: | |
| Outros Autores: | , , , , , , |
| Resumo: | Title screen High-nitrogen austenitic steels are perspective materials for an electron-beam welding and for producing of wear-resistant coatings, which can be used for application in aggressive atmospheres. The tensile behavior and fracture mechanism of high-nitrogen austenitic steel Fe-20Cr-22Mn-1.5V-0.2C-0.6N (in wt.%) after electrochemical hydrogen charging for 2, 10 and 40 hours have been investigated. Hydrogenation of steel provides a loss of yield strength, uniform elongation and tensile strength. The degradation of tensile properties becomes stronger with increase in charging duration - it occurs more intensive in specimens hydrogenated for 40 hours as compared to ones charged for 2-10 hours. Fracture analysis reveals a hydrogen-induced formation of brittle surface layers up to 6 [mu]m thick after 40 hours of saturation. Hydrogenation changes fracture mode of steel from mixed intergranular-transgranular to mainly transgranular one. |
| Idioma: | inglês |
| Publicado em: |
2016
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| Assuntos: | |
| Acesso em linha: | http://dx.doi.org/10.1088/1757-899X/140/1/012005 http://earchive.tpu.ru/handle/11683/34988 |
| Formato: | Recurso Electrónico Capítulo de Livro |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=650691 |
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| 200 | 1 | |a The effect of hydrogen on strain hardening and fracture mechanism of high-nitrogen austenitic steel |f G. G. Maier [et al.] | |
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| 300 | |a Title screen | ||
| 320 | |a [References: 13 tit.] | ||
| 330 | |a High-nitrogen austenitic steels are perspective materials for an electron-beam welding and for producing of wear-resistant coatings, which can be used for application in aggressive atmospheres. The tensile behavior and fracture mechanism of high-nitrogen austenitic steel Fe-20Cr-22Mn-1.5V-0.2C-0.6N (in wt.%) after electrochemical hydrogen charging for 2, 10 and 40 hours have been investigated. Hydrogenation of steel provides a loss of yield strength, uniform elongation and tensile strength. The degradation of tensile properties becomes stronger with increase in charging duration - it occurs more intensive in specimens hydrogenated for 40 hours as compared to ones charged for 2-10 hours. Fracture analysis reveals a hydrogen-induced formation of brittle surface layers up to 6 [mu]m thick after 40 hours of saturation. Hydrogenation changes fracture mode of steel from mixed intergranular-transgranular to mainly transgranular one. | ||
| 461 | 0 | |0 (RuTPU)RU\TPU\network\2008 |t IOP Conference Series: Materials Science and Engineering | |
| 463 | 0 | |0 (RuTPU)RU\TPU\network\15930 |t Vol. 140 : Interdisciplinary Problems in Additive Technologies |o International Seminar, 16–17 December 2015, Tomsk, Russia |o [proceedings] |v [012005, 6 p.] |d 2016 | |
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| 701 | 1 | |a Maier |b G. G. | |
| 701 | 1 | |a Astafurova |b E. G. | |
| 701 | 1 | |a Melnikov |b E. V. | |
| 701 | 1 | |a Moskvina |b V. A. | |
| 701 | 1 | |a Vojtsik |b V. F. | |
| 701 | 1 | |a Galchenko |b N. K. | |
| 701 | 1 | |a Zakharov |b G. N. | |
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