Hauptseite > Publikationsdatenbank > Effect of electric field on the sintering of ceria > print

001     884793
005     20240711085550.0
020 _ _ |a 978-3-95806-497-3
024 7 _ |2 Handle
|a 2128/25843
024 7 _ |2 URN
|a urn:nbn:de:0001-2020103029
024 7 _ |2 ISSN
|a 1866-1793
037 _ _ |a FZJ-2020-03255
041 _ _ |a English
041 _ _ |a English
100 1 _ |0 P:(DE-Juel1)171807
|a Cao, Chen
|b 0
|e Corresponding author
|u fzj
245 _ _ |a Effect of electric field on the sintering of ceria
|f - 2020-06-17
260 _ _ |a Jülich
|b Forschungszentrum Jülich GmbH Zentralbibliothek, Verlag
|c 2020
300 _ _ |a xix, 143 S.
336 7 _ |2 DataCite
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336 7 _ |2 ORCID
|a DISSERTATION
336 7 _ |2 BibTeX
|a PHDTHESIS
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|a Thesis
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|a Dissertation / PhD Thesis
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|s 1602060053_16662
336 7 _ |2 DRIVER
|a doctoralThesis
490 0 _ |a Schriften des Forschungszentrums Jülich. Reihe Energie & Umwelt / Energy & Environment
|v 510
502 _ _ |a RWTH Aachen, Diss., 2020
|b Dr.
|c RWTH Aachen
|d 2020
|o 2020-06-17
520 _ _ |a As one of the alternative to conventional sintering, the application of electrical fields during sintering has aroused interest since decades, aiming at reducing the sintering time as well as improving the targeted material properties. Field assisted sintering (FAST) has undergone rapid development in the last years, as it provides a platform for manufacturing materials which are difficult or even impossible to be produced by conventional sintering [1]. More recently, strong focus is put on ‘flash sintering’ in the academia, where the densification completes within seconds [2]. However, the governing principles behind the field assisted sintering are still unveiled. In this work, the sintering of yttria-doped ceria samples (10 mol % yttrium doped ceria, 10YDC,and 0.1 mol % yttrium doped ceria, 01YDC) was studied under alternating electrical fields with a frequency of 50 Hz and field strengths significantly weaker than those required for the ‘flash regime’. For the first time, the dependence of sintering parameters on the applied electrical fields was investigatedwith constant sample temperatures, which was ensured by direct temperature measurement inside the sample and by thermo-electric finite element simulations. This excluded the macroscopic Joule heating and allowed to investigate the occurring mechanisms. In addition, the symmetric behavior under compressive and tensile loading could be experimentally verified for the first time. This part of study was done during a research stay in National Institute for Materials Science (NIMS), Japan. [...]
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856 4 _ |u https://juser.fz-juelich.de/record/884793/files/Energie_Umwelt_510.pdf
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914 1 _ |y 2020
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