Implementation of the Cook-Gordon Mechanism in Y-TZP Based Ceramics; AIP Conference Proceedings; Vol. 2167 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019 (AMHS'19)
| Parent link: | AIP Conference Proceedings Vol. 2167 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019 (AMHS'19).— 2019.— [020046, 4 p.] |
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| Další autoři: | , |
| Shrnutí: | Title screen The structure and properties of ceramics based on tetragonal zirconia with addition of the low-modulus hexagonal boron nitride inclusions were studied. With a low content of h-BN inclusions (Y-TZP)-(h-BN) ceramics fracture toughness K1C increasing was observed. The greatest fracture toughness K1C=12 ± 0.53 MPa m1/2 was demonstrated by Y-TZP ceramics with 0.5 mass % of h-BN. Increasing of the fracture toughness with the introduction of lowmodulus h-BN inclusions into the ceramic matrix was due to the action of two dissipative mechanisms-zirconium oxide martensitic transformation and the cracks inhibition at relatively weak interphase boundaries of the matrix and lowmodulus h-BN inclusions. As the amount of h-BN increased, the contribution of martensitic transformation on fracture toughness decreased, which is associated with a decreasing of zirconium oxide tetragonal phase grain size and its transition to a stable state. Режим доступа: по договору с организацией-держателем ресурса |
| Jazyk: | angličtina |
| Vydáno: |
2019
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| Témata: | |
| On-line přístup: | https://doi.org/10.1063/1.5131913 |
| Médium: | Elektronický zdroj Kapitola |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=661475 |
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| 200 | 1 | |a Implementation of the Cook-Gordon Mechanism in Y-TZP Based Ceramics |f A. S. Buyakov, Yu. A. Mirovoy, S. P. Buyakova | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 7 tit.] | ||
| 330 | |a The structure and properties of ceramics based on tetragonal zirconia with addition of the low-modulus hexagonal boron nitride inclusions were studied. With a low content of h-BN inclusions (Y-TZP)-(h-BN) ceramics fracture toughness K1C increasing was observed. The greatest fracture toughness K1C=12 ± 0.53 MPa m1/2 was demonstrated by Y-TZP ceramics with 0.5 mass % of h-BN. Increasing of the fracture toughness with the introduction of lowmodulus h-BN inclusions into the ceramic matrix was due to the action of two dissipative mechanisms-zirconium oxide martensitic transformation and the cracks inhibition at relatively weak interphase boundaries of the matrix and lowmodulus h-BN inclusions. As the amount of h-BN increased, the contribution of martensitic transformation on fracture toughness decreased, which is associated with a decreasing of zirconium oxide tetragonal phase grain size and its transition to a stable state. | ||
| 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\31884 |t Vol. 2167 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019 (AMHS'19) |o Proceedings of the International Conference, 1–5 October 2019, Tomsk, Russia |f National Research Tomsk Polytechnic University (TPU) ; Institute of Strength Physics and Materials Science SB RAS (Russia) ; eds. V. E. Panin ; S. G. Psakhie ; V. M. Fomin |v [020046, 4 p.] |d 2019 | |
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