Wyszukiwarka
Glass-ceramic sealants and steel interconnects: accelerated interfacial stability and reactivity tests at high temperature
Abstrakt
High-temperature reactions between glass-ceramic sealants and Fe-Cr alloy interconnects may lead to the formation of undesirable phases, and consequently degradation of solid oxide fuel/electrolyser devices. In this work, three different glass-ceramic sealants (Na-containing, Ba-containing, Sr-containing compositions) and Fe22Cr stainless steel powders (raw and pre-oxidised) are considered in order to test their chemical reactivity at 750°C and 850 °C for 500 h in static air. The novelty of this approach is related to the use of powder mixtures instead of studying the reactivity on planar interfaces, which allows a better evaluation the materials’ reactivity. Oxidation tests indicate that the Sr-containing glass-ceramic/steel couple is the least reactive among the aged samples. For the Ba-containing samples, the formation of an undesirable phase of BaCrO4 is observed by diffractometry and photoelectron spectroscopy analyses. The present research explores, for the first time, the effects of exposing the high surface area of the alloy powder and glass-ceramic sealant interface, assessed by oxidation testing and microstructural analysis. The results show that by using mixed powders with large interface surface areas, degradation of the materials can be observed after relatively short times, allowing accelerated screening of the reactivity of materials, and thus their further development.
Cytowania
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4
CrossRef
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0
Web of Science
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8
Scopus
Autorzy (10)
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Hassan Javed PhD
- Sunfire GmbH, Gasanstaltstraße 2, 01237 Dresden, Germany
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Antonio Gianfranco Sabato PhD
- Institut de Recerca en Energia de Catalunya (IREC), Jardins de les Dones de Negre, 1, 2ª pl., 08930 Sant Adrià de Besòs, Barcelona, Spain
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Federico Smeacetto Prof
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi, 24, 10129 Torino, Italy
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Pełna treść
- Wersja publikacji
- Accepted albo Published Version
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.matdes.2021.110259
- Licencja
-
otwiera się w nowej karcie
Słowa kluczowe
Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
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MATERIALS & DESIGN
nr 212,
ISSN: 0264-1275 - Język:
- angielski
- Rok wydania:
- 2021
- Opis bibliograficzny:
- Drewniak A., Koszelow D., Błaszczak P., Górnicka K., Jurak K., Javed H., Sabato A. G., Jasiński P., Molin S., Smeacetto F.: Glass-ceramic sealants and steel interconnects: accelerated interfacial stability and reactivity tests at high temperature// MATERIALS & DESIGN -Vol. 212, (2021), s.110259-
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.matdes.2021.110259
- Źródła finansowania:
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 146 razy
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