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Description
| - Dense Si3N4/SiC micro/nano-composites with varying grain boundary phase composition were fabricated by hot-pressing under the same conditions. Six different sintering aids (Lu2O3, Yb2O3, Y2O3, Sm2O3, Nd2O3 and La2O3) were used. The formation of SiC nano-inclusions was achieved by in situ carbothermal reduction of SiO2 by C during the sintering process. Room temperature, fracture toughness, hardness and strength tended to increase when the cation radius of the rare-earth element used in the oxide additive decreased (i.e. from La3+ to Lu3+). The composite material with Lu2O3 sintering additive showed the highest hardness and had reasonably high fracture toughness and strength. The same micro/nano-composite also possessed the highest creep resistance in the temperature range from 1250 C to 1400 C and with loads in the range 50–150MPa.
- Dense Si3N4/SiC micro/nano-composites with varying grain boundary phase composition were fabricated by hot-pressing under the same conditions. Six different sintering aids (Lu2O3, Yb2O3, Y2O3, Sm2O3, Nd2O3 and La2O3) were used. The formation of SiC nano-inclusions was achieved by in situ carbothermal reduction of SiO2 by C during the sintering process. Room temperature, fracture toughness, hardness and strength tended to increase when the cation radius of the rare-earth element used in the oxide additive decreased (i.e. from La3+ to Lu3+). The composite material with Lu2O3 sintering additive showed the highest hardness and had reasonably high fracture toughness and strength. The same micro/nano-composite also possessed the highest creep resistance in the temperature range from 1250 C to 1400 C and with loads in the range 50–150MPa. (en)
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Title
| - Rare-earth element doped Si3N4/SiC micro/nano-composites-RT and HT mechanical properties
- Rare-earth element doped Si3N4/SiC micro/nano-composites-RT and HT mechanical properties (en)
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skos:prefLabel
| - Rare-earth element doped Si3N4/SiC micro/nano-composites-RT and HT mechanical properties
- Rare-earth element doped Si3N4/SiC micro/nano-composites-RT and HT mechanical properties (en)
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skos:notation
| - RIV/68081723:_____/10:00345837!RIV11-AV0-68081723
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/68081723:_____/10:00345837
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - Si3N4; SiC; Nano-composites; Fracture toughness; Hardness; Strength; Creep (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - GB - Spojené království Velké Británie a Severního Irska
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - Journal of the European Ceramic Society
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Chlup, Zdeněk
- Dusza, J.
- Tatarko, P.
- Šajgalík, P.
- Lojanová, Š.
- Hnatko, M.
- Lenčéš, Z.
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http://linked.open...ain/vavai/riv/wos
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http://linked.open...n/vavai/riv/zamer
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issn
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number of pages
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