Evaluation of microstructural parameters of oxide dispersion strengthened steels from X-ray diffraction profiles; Journal of Nuclear Materials; Vol. 470
| Parent link: | Journal of Nuclear Materials Vol. 470.— 2016.— [P. 139–146] |
|---|---|
| Autor Corporativo: | |
| Outros autores: | , , , , , , |
| Summary: | Title screen The microstructural parameters of oxide dispersion strengthened (ODS) steels from measured diffraction profiles were evaluated using an approach where the complex oxide nanoparticles (Y2Ti2O7 and Y4Al2O9) are modeled as spherical inclusions in the steel matrix with coherent or incoherent boundaries. The proposed method enables processing of diffraction data from materials containing spherical inclusions in addition to straight dislocations, and taking into account broadening due to crystallite size and instrumental effects. The parameters of crystallite size distribution modeled by a lognormal distribution function (the parameters m and s), the strain anisotropy parameter q, the dislocation density r, the dislocation arrangement parameter M, the density of oxide nanoparticles rnp and the nanoparticle radius r0 were determined for the ODS steel samples. The results obtained are in good agreement with the results of transmission electron microscopy (TEM). Режим доступа: по договору с организацией-держателем ресурса |
| Idioma: | inglés |
| Publicado: |
2016
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| Subjects: | |
| Acceso en liña: | http://dx.doi.org/10.1016/j.jnucmat.2015.11.047 |
| Formato: | Electrónico Capítulo de libro |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=653335 |
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| 200 | 1 | |a Evaluation of microstructural parameters of oxide dispersion strengthened steels from X-ray diffraction profiles |f S. Vlasenko [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: p. 146 (25 tit.)] | ||
| 330 | |a The microstructural parameters of oxide dispersion strengthened (ODS) steels from measured diffraction profiles were evaluated using an approach where the complex oxide nanoparticles (Y2Ti2O7 and Y4Al2O9) are modeled as spherical inclusions in the steel matrix with coherent or incoherent boundaries. The proposed method enables processing of diffraction data from materials containing spherical inclusions in addition to straight dislocations, and taking into account broadening due to crystallite size and instrumental effects. The parameters of crystallite size distribution modeled by a lognormal distribution function (the parameters m and s), the strain anisotropy parameter q, the dislocation density r, the dislocation arrangement parameter M, the density of oxide nanoparticles rnp and the nanoparticle radius r0 were determined for the ODS steel samples. The results obtained are in good agreement with the results of transmission electron microscopy (TEM). | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Journal of Nuclear Materials | ||
| 463 | |t Vol. 470 |v [P. 139–146] |d 2016 | ||
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| 701 | 1 | |a Benediktovitch |b A. I. |g Andrey Igorevich | |
| 701 | 1 | |a Uljyanenkova |b T. |g Tatjyana | |
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| 701 | 1 | |a Skuratov |b V. A. |g Vladimir Alekseevich | |
| 701 | 1 | |a O'Connell |b J. H. |g Jacques Herman | |
| 701 | 1 | |a Neethling |b J. H. |g Johannes Henoch | |
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