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Far from equilibriu...
Far from equilibrium ultrafast high-temperature sintering of ZrO2-SiO2 nanocrystalline glass-ceramics
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- Fu, Le (författare)
- Cent South Univ, Sch Mat Sci & Engn, 932 Lushan Rd, Changsha 410083, Peoples R China.
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- Wu, Jinghua (författare)
- Southwest Jiaotong Univ, Sch Mat Sci & Engn, Key Lab Adv Technol Mat, Minist Educ, Chengdu, Peoples R China.
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- Sathyanath, Sharath Kumar Manjeshwar (författare)
- Uppsala universitet,Tillämpad materialvetenskap
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- Wang, Bohan (författare)
- Cent South Univ, Sch Mat Sci & Engn, 932 Lushan Rd, Changsha 410083, Peoples R China.
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- Leifer, Klaus, 1965- (författare)
- Uppsala universitet,Tillämpad materialvetenskap
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- Engqvist, Håkan, 1972- (författare)
- Uppsala universitet,Tillämpad materialvetenskap
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- Grasso, Salvatore (författare)
- Southwest Jiaotong Univ, Sch Mat Sci & Engn, Key Lab Adv Technol Mat, Minist Educ, Chengdu, Peoples R China.;Queen Mary Univ London, Sch Engn & Mat Sci, Mile End Rd, London E1 4NS, England.
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- Xia, Wei, Senior Lecture/Associate Professor (författare)
- Uppsala universitet,Tillämpad materialvetenskap
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Cent South Univ, Sch Mat Sci & Engn, 932 Lushan Rd, Changsha 410083, Peoples R China Southwest Jiaotong Univ, Sch Mat Sci & Engn, Key Lab Adv Technol Mat, Minist Educ, Chengdu, Peoples R China. (creator_code:org_t)
- 2023-03-02
- 2023
- Engelska.
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Ingår i: Journal of The American Ceramic Society. - : John Wiley & Sons. - 0002-7820 .- 1551-2916. ; 106:7, s. 4005-4012
- Relaterad länk:
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Ultrafast high-temperature sintering (UHS) is a novel sintering technique with ultrashort firing cycles (e.g., a few tens of seconds). The feasibility of UHS has been validated on several ceramics and metals; however, its potential in consolidating glass-ceramics has not yet been demonstrated. In this work, an optimized carbon-free UHS was utilized to prepare ZrO2-SiO2 nanocrystalline glass-ceramics (NCGCs). The phase composition, grain size, densification behavior, and microstructures of NCGCs prepared by UHS were investigated and compared with those of samples sintered by pressureless sintering. Results showed that NCGCs with a high relative density (similar to 95%) can be obtained within similar to 50 s discharge time by UHS. The UHS processing not only hindered the formation of ZrSiO4 and cristobalite but also enhanced the stabilization of t-ZrO2. Meanwhile, owing to the ultrashort firing cycles, the UHS technology allowed the NCGCs to be consolidated in a far from equilibrium state. The NCGCs showed a microstructure of spherical monocrystalline ZrO2 nanocrystallites embedded in an amorphous SiO2 matrix.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Keramteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Ceramics (hsv//eng)
Nyckelord
- away-from-equilibrium
- densification
- glass-ceramics
- ultrafast high-temperature sintering
- ZrO2-SiO2
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Fu, Le
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Wu, Jinghua
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Sathyanath, Shar ...
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Wang, Bohan
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Leifer, Klaus, 1 ...
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Engqvist, Håkan, ...
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visa fler...
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Grasso, Salvator ...
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Xia, Wei, Senior ...
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visa färre...
- Om ämnet
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- TEKNIK OCH TEKNOLOGIER
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TEKNIK OCH TEKNO ...
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och Materialteknik
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och Keramteknik
- Artiklar i publikationen
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Journal of The A ...
- Av lärosätet
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Uppsala universitet