Effects of Low-Modulus BN Inclusions on Properties of Y-TZP Ceramic; Inorganic Materials: Applied Research; Vol. 10, iss. 5
| Parent link: | Inorganic Materials: Applied Research Vol. 10, iss. 5.— 2019.— [P. 1159–1163] |
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| Egile nagusia: | |
| Erakunde egilea: | |
| Beste egile batzuk: | , |
| Gaia: | Title screen We investigate the structure and properties of ceramic based on tetragonal zirconia (Y-TZP) containing low-modulus inclusions of hexagonal boron nitride (h-BN). (Y-TZP)(h-BN) ceramic samples with low h-BN content exhibit increased fracture toughness (K1C). The highest fracture toughness was observed for (Y-TZP)(0.5 wt % h-BN) ceramic: K1C = 12 ± 0.53 MPa m1/2. The increase in failure viscosity caused by incorporation of low-modulus inclusions (i.e., h-BN) is due to two dissipative mechanisms: the martensite transformation of the ZrO2 matrix and crack arrest at relatively weak interfaces between the matrix and low-modulus inclusions of h-BN. As the proportion of h-BN increases, the contribution of martensite transformation to the fracture toughness diminishes, a consequence of the grain size of tetragonal zirconia diminishing, which makes this phase stable. Режим доступа: по договору с организацией-держателем ресурса |
| Hizkuntza: | ingelesa |
| Argitaratua: |
2019
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| Gaiak: | |
| Sarrera elektronikoa: | https://doi.org/10.1134/S2075113319050058 |
| Formatua: | Baliabide elektronikoa Liburu kapitulua |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=664225 |
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| 200 | 1 | |a Effects of Low-Modulus BN Inclusions on Properties of Y-TZP Ceramic |f A. S. Buyakov, Yu. A. Mirovoy, S. P. Buyakova | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 25 tit.] | ||
| 330 | |a We investigate the structure and properties of ceramic based on tetragonal zirconia (Y-TZP) containing low-modulus inclusions of hexagonal boron nitride (h-BN). (Y-TZP)(h-BN) ceramic samples with low h-BN content exhibit increased fracture toughness (K1C). The highest fracture toughness was observed for (Y-TZP)(0.5 wt % h-BN) ceramic: K1C = 12 ± 0.53 MPa m1/2. The increase in failure viscosity caused by incorporation of low-modulus inclusions (i.e., h-BN) is due to two dissipative mechanisms: the martensite transformation of the ZrO2 matrix and crack arrest at relatively weak interfaces between the matrix and low-modulus inclusions of h-BN. As the proportion of h-BN increases, the contribution of martensite transformation to the fracture toughness diminishes, a consequence of the grain size of tetragonal zirconia diminishing, which makes this phase stable. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Inorganic Materials: Applied Research | ||
| 463 | |t Vol. 10, iss. 5 |v [P. 1159–1163] |d 2019 | ||
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a ceramic | |
| 610 | 1 | |a composite | |
| 610 | 1 | |a fracture toughness | |
| 610 | 1 | |a dissipative structure | |
| 610 | 1 | |a multilevel hardening | |
| 610 | 1 | |a zirconia | |
| 610 | 1 | |a boron nitride | |
| 610 | 1 | |a керамика | |
| 610 | 1 | |a диссипативные структуры | |
| 610 | 1 | |a цирконий | |
| 610 | 1 | |a нитрид бора | |
| 700 | 1 | |a Buyakov |b A. S. |c specialist in material science |c assistant Professor of Tomsk Polytechnic University |f 1992- |g Ales Sergeevich |3 (RuTPU)RU\TPU\pers\40001 |9 21187 | |
| 701 | 1 | |a Mirovoy |b Yu. A. |c specialist in the field of material science |c Assistant of the Department of Tomsk Polytechnic University |f 1992- |g Yury Aleksandrovich |3 (RuTPU)RU\TPU\pers\40241 |9 21281 | |
| 701 | 1 | |a Buyakova |b S. P. |c specialist in the field of material science |c Professor of Tomsk Polytechnic University, Doctor of technical sciences |f 1968- |g Svetlana Petrovna |3 (RuTPU)RU\TPU\pers\34758 |9 18108 | |
| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет |b Инженерная школа новых производственных технологий |b Отделение материаловедения |3 (RuTPU)RU\TPU\col\23508 |
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| 856 | 4 | |u https://doi.org/10.1134/S2075113319050058 | |
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