Hydrogenation-induced microstructure changes in titanium; Journal of Alloys and Compounds; Vol. 645, suppl. iss. 1 : Proceedings from the 14th International Symposium on Metal-Hydrogen Systems: Fundamentals and Applications, 2014 (MH2014)
| Parent link: | Journal of Alloys and Compounds Vol. 645, suppl. iss. 1 : Proceedings from the 14th International Symposium on Metal-Hydrogen Systems: Fundamentals and Applications, 2014 (MH2014).— 2015.— [P. S193–S195] |
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| Corporate Author: | |
| Other Authors: | , , , , |
| Summary: | Title screen Microstructure changes of commercially pure titanium in a wide range of hydrogen concentrations from 0.8 at.% to 32.0 at.% were studied by means of positron lifetime spectroscopy and Doppler broadening spectroscopy. We have obtained new experimental data on the evolution of positron annihilation parameters ?f, ?d and their corresponding intensities If, Id, as well as relative changes of parameters S/S0 and W/W0 depending on the hydrogen concentration in commercially pure titanium after gas-phase hydrogenation at 873 K. Results suggest that the hydrogenation of Ti samples up to concentrations of 1.31–2.27 at.% and subsequent cooling to a room temperature leads to the formation of vacancies and vacancy clusters. Further increase of the hydrogen concentration up to 32.0 at.% leads to the interaction of hydrogen with these defects and the formation of “cluster-hydrogen” and “vacancy-hydrogen” complexes. |
| Language: | English |
| Published: |
2015
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| Subjects: | |
| Online Access: | http://earchive.tpu.ru/handle/11683/35970 http://dx.doi.org/10.1016/j.jallcom.2014.12.257 |
| Format: | Electronic Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=644598 |
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| 200 | 1 | |a Hydrogenation-induced microstructure changes in titanium |f R. S. Laptev [et al.] | |
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| 320 | |a [References: р. S195 (20 tit.)] | ||
| 330 | |a Microstructure changes of commercially pure titanium in a wide range of hydrogen concentrations from 0.8 at.% to 32.0 at.% were studied by means of positron lifetime spectroscopy and Doppler broadening spectroscopy. We have obtained new experimental data on the evolution of positron annihilation parameters ?f, ?d and their corresponding intensities If, Id, as well as relative changes of parameters S/S0 and W/W0 depending on the hydrogen concentration in commercially pure titanium after gas-phase hydrogenation at 873 K. Results suggest that the hydrogenation of Ti samples up to concentrations of 1.31–2.27 at.% and subsequent cooling to a room temperature leads to the formation of vacancies and vacancy clusters. Further increase of the hydrogen concentration up to 32.0 at.% leads to the interaction of hydrogen with these defects and the formation of “cluster-hydrogen” and “vacancy-hydrogen” complexes. | ||
| 461 | |t Journal of Alloys and Compounds | ||
| 463 | |t Vol. 645, suppl. iss. 1 : Proceedings from the 14th International Symposium on Metal-Hydrogen Systems: Fundamentals and Applications, 2014 (MH2014) |v [P. S193–S195] |d 2015 | ||
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| 610 | 1 | |a positron annihilation | |
| 610 | 1 | |a doppler broadening | |
| 610 | 1 | |a positron lifetime | |
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| 701 | 1 | |a Garanin |b G. V. |c physicist |c Head of a laboratory at Tomsk Polytechnic University |f 1976- |g Georgy Viktorovich |3 (RuTPU)RU\TPU\pers\30448 | |
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