Structural and mechanical properties of zinc aluminoborate glasses with different content of aluminum oxide; Journal of Materials Science: Materials in Electronics; Vol. 28, iss. 6
| Parent link: | Journal of Materials Science: Materials in Electronics.— , 1990- Vol. 28, iss. 6.— 2017.— [P. 4647–4653] |
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| Kolejni autorzy: | , |
| Streszczenie: | Title screen The glass samples were prepared according to the following formula: (35 - x) ZnO, 55B2O3, 10Li2O, x Al2O3, where (x = 0.5; 1; 1.5; 2; 2.5; 3; 3.5; 4 mol%) by melt quenching method. Structural parameters such as density, molar volume, cation–anion bond length, and packing density were studied and were correlated to the structural changes. It is found that the density decreases and the molar volume increases with increasing Al2O3 content. FT-IR spectra were measured to investigate the glass structure of these samples and to confirm the formation of non bridging Al–O–B bond with the addition of Al2O3 content. The FT-IR spectra were deconvoluted using curves of Gaussian shape at approximately the same frequencies. The fraction of fourfold coordinated boron atom (N4) was calculated from the deconvoluted data. The longitudinal and transverse ultrasonic wave velocities were measured using the pulse-echo technique. The longitudinal L, shear S, Young’s E and bulk B module were calculated from the measured velocity and density values of the prepared samples and were correlated with the structural changes and all reflects that addition of Al2O3 to present glasses results in de-polymerization of the glass network and formation of non-bridging oxygen (NBOs). Режим доступа: по договору с организацией-держателем ресурса |
| Język: | angielski |
| Wydane: |
2017
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| Hasła przedmiotowe: | |
| Dostęp online: | http://dx.doi.org/10.1007/s10854-016-6103-z |
| Format: | Elektroniczne Rozdział |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=653477 |
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| 200 | 1 | |a Structural and mechanical properties of zinc aluminoborate glasses with different content of aluminum oxide |f H. Othman, D. T. Valiev, E. F. Polisadova | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: p. 4652-4653 (22 tit.)] | ||
| 330 | |a The glass samples were prepared according to the following formula: (35 - x) ZnO, 55B2O3, 10Li2O, x Al2O3, where (x = 0.5; 1; 1.5; 2; 2.5; 3; 3.5; 4 mol%) by melt quenching method. Structural parameters such as density, molar volume, cation–anion bond length, and packing density were studied and were correlated to the structural changes. It is found that the density decreases and the molar volume increases with increasing Al2O3 content. FT-IR spectra were measured to investigate the glass structure of these samples and to confirm the formation of non bridging Al–O–B bond with the addition of Al2O3 content. The FT-IR spectra were deconvoluted using curves of Gaussian shape at approximately the same frequencies. The fraction of fourfold coordinated boron atom (N4) was calculated from the deconvoluted data. The longitudinal and transverse ultrasonic wave velocities were measured using the pulse-echo technique. The longitudinal L, shear S, Young’s E and bulk B module were calculated from the measured velocity and density values of the prepared samples and were correlated with the structural changes and all reflects that addition of Al2O3 to present glasses results in de-polymerization of the glass network and formation of non-bridging oxygen (NBOs). | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Journal of Materials Science: Materials in Electronics |d 1990- | ||
| 463 | |t Vol. 28, iss. 6 |v [P. 4647–4653] |d 2017 | ||
| 610 | 1 | |a электронный ресурс | |
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| 610 | 1 | |a механические свойства | |
| 610 | 1 | |a структурные свойства | |
| 610 | 1 | |a оксид алюминия | |
| 700 | 1 | |a Othman |b H. | |
| 701 | 1 | |a Valiev |b D. T. |c specialist in the field of material science |c Associate Professor of Tomsk Polytechnic University, Candidate of Physical and Mathematical Sciences |f 1987- |g Damir Talgatovich |3 (RuTPU)RU\TPU\pers\33772 |9 17370 | |
| 701 | 1 | |a Polisadova |b E. F. |c specialist in the field of lighting engineering |c professor of Tomsk Polytechnic University, doctor of physical and mathematical sciences |f 1972- |g Elena Fyodorovna |3 (RuTPU)RU\TPU\pers\33900 |9 17473 | |
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