Non-crystallising glass sealants for SOFC: Effect of Y2O3 addition

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Non-crystallising glass sealants for SOFC : Effect of Y2O3 addition. / Krainova, D.A.; Saetova, N.S.; Kuzmin, Anton V.; Raskovalov, A.A.; Eremin, V. A.; Ananyev, Maxim V.; Steinberger-Wilckens, Robert.

In: Ceramics International, 29.10.2019.

Research output: Contribution to journalArticlepeer-review

Harvard

APA

Krainova, D. A., Saetova, N. S., Kuzmin, A. V., Raskovalov, A. A., Eremin, V. A., Ananyev, M. V., & Steinberger-Wilckens, R. (2019). Non-crystallising glass sealants for SOFC: Effect of Y2O3 addition. Ceramics International, [CERI 23334]. https://doi.org/10.1016/j.ceramint.2019.10.266

Vancouver

Krainova DA, Saetova NS, Kuzmin AV, Raskovalov AA, Eremin VA, Ananyev MV et al. Non-crystallising glass sealants for SOFC: Effect of Y2O3 addition. Ceramics International. 2019 Oct 29. CERI 23334. https://doi.org/10.1016/j.ceramint.2019.10.266

Author

Krainova, D.A. ; Saetova, N.S. ; Kuzmin, Anton V. ; Raskovalov, A.A. ; Eremin, V. A. ; Ananyev, Maxim V. ; Steinberger-Wilckens, Robert. / Non-crystallising glass sealants for SOFC : Effect of Y2O3 addition. In: Ceramics International. 2019.

Bibtex

@article{e41b334692414ab4bded34ec2fcb080b,
title = "Non-crystallising glass sealants for SOFC: Effect of Y2O3 addition",
abstract = "The joining of ceramic and metal (interconnect) parts is one of the main challenges in the development of solid oxide fuel cells (SOFC). A promising approach to solving this problem is the use of glassy sealants. In this work, we investigated the effect of yttria additions on the properties of SiO2–Al2O3–CaO–Na2O–ZrO2–Y2O3 glass sealants. An increase in the concentration of yttria is shown to reduce the tendency of the glasses under study to crystallisation. A glass containing 4 wt.% of Y2O3 is found to be amorphous, even after exposureat 850°C for 100 h. Moreover, the defectiveness of the glass microstructure, after sealing, is found to decrease along with a growth in the Y2O3 concentration. The developed noncrystallising sealant was successfully applied for joining a YSZ ceramic and an Fe-Ni-Co alloy having the phase transition of around 500°C. The use of the non-crystallising sealant allows us to join materials with very different thermal expansion coefficients and to avoid cracking under cooling, which might occur due to a large difference in thermal expansion coefficients.",
keywords = "glass sealant, SOFC, non-crystallising sealant, Crystallisation, Sealing microstructure",
author = "D.A. Krainova and N.S. Saetova and Kuzmin, {Anton V.} and A.A. Raskovalov and Eremin, {V. A.} and Ananyev, {Maxim V.} and Robert Steinberger-Wilckens",
year = "2019",
month = oct,
day = "29",
doi = "10.1016/j.ceramint.2019.10.266",
language = "English",
journal = "Ceramics International",
issn = "0272-8842",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Non-crystallising glass sealants for SOFC

T2 - Effect of Y2O3 addition

AU - Krainova, D.A.

AU - Saetova, N.S.

AU - Kuzmin, Anton V.

AU - Raskovalov, A.A.

AU - Eremin, V. A.

AU - Ananyev, Maxim V.

AU - Steinberger-Wilckens, Robert

PY - 2019/10/29

Y1 - 2019/10/29

N2 - The joining of ceramic and metal (interconnect) parts is one of the main challenges in the development of solid oxide fuel cells (SOFC). A promising approach to solving this problem is the use of glassy sealants. In this work, we investigated the effect of yttria additions on the properties of SiO2–Al2O3–CaO–Na2O–ZrO2–Y2O3 glass sealants. An increase in the concentration of yttria is shown to reduce the tendency of the glasses under study to crystallisation. A glass containing 4 wt.% of Y2O3 is found to be amorphous, even after exposureat 850°C for 100 h. Moreover, the defectiveness of the glass microstructure, after sealing, is found to decrease along with a growth in the Y2O3 concentration. The developed noncrystallising sealant was successfully applied for joining a YSZ ceramic and an Fe-Ni-Co alloy having the phase transition of around 500°C. The use of the non-crystallising sealant allows us to join materials with very different thermal expansion coefficients and to avoid cracking under cooling, which might occur due to a large difference in thermal expansion coefficients.

AB - The joining of ceramic and metal (interconnect) parts is one of the main challenges in the development of solid oxide fuel cells (SOFC). A promising approach to solving this problem is the use of glassy sealants. In this work, we investigated the effect of yttria additions on the properties of SiO2–Al2O3–CaO–Na2O–ZrO2–Y2O3 glass sealants. An increase in the concentration of yttria is shown to reduce the tendency of the glasses under study to crystallisation. A glass containing 4 wt.% of Y2O3 is found to be amorphous, even after exposureat 850°C for 100 h. Moreover, the defectiveness of the glass microstructure, after sealing, is found to decrease along with a growth in the Y2O3 concentration. The developed noncrystallising sealant was successfully applied for joining a YSZ ceramic and an Fe-Ni-Co alloy having the phase transition of around 500°C. The use of the non-crystallising sealant allows us to join materials with very different thermal expansion coefficients and to avoid cracking under cooling, which might occur due to a large difference in thermal expansion coefficients.

KW - glass sealant

KW - SOFC

KW - non-crystallising sealant

KW - Crystallisation

KW - Sealing microstructure

UR - http://www.scopus.com/inward/record.url?scp=85074146512&partnerID=8YFLogxK

U2 - 10.1016/j.ceramint.2019.10.266

DO - 10.1016/j.ceramint.2019.10.266

M3 - Article

JO - Ceramics International

JF - Ceramics International

SN - 0272-8842

M1 - CERI 23334

ER -