Investigation of Hierarchical Structure Formation in Ceramics with Invar Effect; AIP Conference Proceedings; Vol. 1683 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures
| Parent link: | AIP Conference Proceedings Vol. 1683 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures.— 2015.— [020036, 4 p.] |
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| מחבר תאגידי: | |
| מחברים אחרים: | , , , |
| סיכום: | Title screen The structure, phase composition and thermal properties of (Al[2]O[3]-20 wt % ZrO[2])-ZrW[2]O[8] ceramic composites obtained using nanosized, finely dispersed and coarse-grained initial powders were investigated. On the polished surface of composites homogeneously distributed white particles were observed. The chemical composition of the particles was determined. The phase composition of the composites was represented with corundum, monoclinic ZrO[2] and two modifications of ZrW[2]O[8] (tetragonal and cubic) regardless of initial powders morphology. Crystal structure parameters of the material obtained were determined. Linear thermal expansion coefficient values of the composites were determined and compared with those calculated using the mixture rule. The experimental data correlated well with the calculated values of CTE for Al[2]O[3]-20 wt % ZrO[2] ceramics. The difference in thermal expansion values for composites obtained using initial components with different morphology may be attributed to phase transformations, features of hierarchical structures, internal stresses due to thermal expansion mismatch, which contribute significantly to thermal expansion of the ceramic composites. Режим доступа: по договору с организацией-держателем ресурса |
| שפה: | אנגלית |
| יצא לאור: |
2015
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| נושאים: | |
| גישה מקוונת: | http://dx.doi.org/10.1063/1.4932726 |
| פורמט: | אלקטרוני Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=644874 |
MARC
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| 200 | 1 | |a Investigation of Hierarchical Structure Formation in Ceramics with Invar Effect |f E. S. Dedova [et al.] | |
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| 300 | |a Title screen | ||
| 320 | |a [References: 9 tit.] | ||
| 330 | |a The structure, phase composition and thermal properties of (Al[2]O[3]-20 wt % ZrO[2])-ZrW[2]O[8] ceramic composites obtained using nanosized, finely dispersed and coarse-grained initial powders were investigated. On the polished surface of composites homogeneously distributed white particles were observed. The chemical composition of the particles was determined. The phase composition of the composites was represented with corundum, monoclinic ZrO[2] and two modifications of ZrW[2]O[8] (tetragonal and cubic) regardless of initial powders morphology. Crystal structure parameters of the material obtained were determined. Linear thermal expansion coefficient values of the composites were determined and compared with those calculated using the mixture rule. The experimental data correlated well with the calculated values of CTE for Al[2]O[3]-20 wt % ZrO[2] ceramics. The difference in thermal expansion values for composites obtained using initial components with different morphology may be attributed to phase transformations, features of hierarchical structures, internal stresses due to thermal expansion mismatch, which contribute significantly to thermal expansion of the ceramic composites. | ||
| 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\9779 |t Vol. 1683 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures |o Proceedings of the International Conference, 21–25 September 2015, Tomsk, Russia |f National Research Tomsk Polytechnic University (TPU) ; ed. V. E. Panin ; S. G. Psakhie ; V. M. Fomin |v [020036, 4 p.] |d 2015 | |
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