Self-Propagating High Temperature Synthesis of TiB2–MgAl2O4 Composites; Metals; Vol. 7, iss. 8
| Parent link: | Metals Vol. 7, iss. 8.— 2017.— [295, 7 p.] |
|---|---|
| Autor Corporativo: | |
| Otros Autores: | , , , , , , |
| Sumario: | Title screen Metal borides are widely used as heat-insulating materials, however, the range of their application in high-temperature conditions with oxidative medium is significantly restricted. To improve the thermal stability of structural materials based on titanium boride, and to prevent the growth of TiB2 crystals, additives based on alumina-magnesia spinel with chemical resistant and refractory properties have been used. The aim of this work is to study the structure of TiB2 with alumina-magnesia spinel additives obtained by self-propagating high-temperature synthesis (SHS). TiB2 structure with uniform fine-grained distribution was obtained in an MgAl2O4 matrix. The material composition was confirmed by X-ray diffraction analysis (DRON-3M, filtered Co kα-emission), FTIR spectroscopy (Thermo Electron Nicolet 5700, within the range of 1300-400 cm−1 ), and scanning electron microscopy (Philips SEM 515). The obtained material represents a composite, where the particles of TiB2 with a size of 5 µm are uniformly distributed in the alloy of alumina-magnesia spinel. |
| Lenguaje: | inglés |
| Publicado: |
2017
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| Materias: | |
| Acceso en línea: | http://dx.doi.org/10.3390/met7080295 |
| Formato: | Electrónico Capítulo de libro |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=656828 |
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| 200 | 1 | |a Self-Propagating High Temperature Synthesis of TiB2–MgAl2O4 Composites |f N. I. Radishevskaya [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 14 tit.] | ||
| 330 | |a Metal borides are widely used as heat-insulating materials, however, the range of their application in high-temperature conditions with oxidative medium is significantly restricted. To improve the thermal stability of structural materials based on titanium boride, and to prevent the growth of TiB2 crystals, additives based on alumina-magnesia spinel with chemical resistant and refractory properties have been used. The aim of this work is to study the structure of TiB2 with alumina-magnesia spinel additives obtained by self-propagating high-temperature synthesis (SHS). TiB2 structure with uniform fine-grained distribution was obtained in an MgAl2O4 matrix. The material composition was confirmed by X-ray diffraction analysis (DRON-3M, filtered Co kα-emission), FTIR spectroscopy (Thermo Electron Nicolet 5700, within the range of 1300-400 cm−1 ), and scanning electron microscopy (Philips SEM 515). The obtained material represents a composite, where the particles of TiB2 with a size of 5 µm are uniformly distributed in the alloy of alumina-magnesia spinel. | ||
| 461 | |t Metals | ||
| 463 | |t Vol. 7, iss. 8 |v [295, 7 p.] |d 2017 | ||
| 610 | 1 | |a электронный ресурс | |
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| 701 | 1 | |a Lepakova |b O. K. |g Olga Klavdeevna | |
| 701 | 1 | |a Karakchieva |b N. I. |g Nataljya Ivanovna | |
| 701 | 1 | |a Nazarova |b A. Yu. |g Anastasiya Yurjevna | |
| 701 | 1 | |a Afanasjev |b N. I. |g Nikolay Ivanovich | |
| 701 | 1 | |a Godymchuk (Godimchuk) |b A. Yu. |c specialist in the field of nanotechnologies and nanomaterials |c Associate Professor of Tomsk Polytechnic University, candidate of technical science |f 1978- |g Anna Yuryevna |3 (RuTPU)RU\TPU\pers\29602 |9 14137 | |
| 701 | 1 | |a Gusev |b A. A. |g Aleksandr Anatoljevich | |
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