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@ARTICLE{Li:907132,
author = {Li, Xinfang and Groß-Barsnick, Sonja M. and Koppitz,
Thomas and Baumann, Stefan and Meulenberg, Wilhelm A. and
Natour, Ghaleb},
title = {{S}ealing behaviour of glass-based composites for oxygen
transport membranes},
journal = {Journal of the European Ceramic Society},
volume = {42},
number = {6},
issn = {0955-2219},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2022-01859},
pages = {2879 - 2891},
year = {2022},
abstract = {In this study, seven different filler materials in
different proportions were added to a Ba-Ca-Si glass matrix
“H” to investigate new sealant with higher thermal
expansion coefficient (CTE) value and good sealing
performance for application in oxygen transport membrane
(OTM). SrTi0.75Fe0.25O3-δ (STF25) was used as an OTM, and
the sealing partners were ferritic steel Aluchrom and
pre-oxidized Aluchrom. Compatibility tests were carried out
to investigate the feasibility of the composites. Higher CTE
values were found in dilatometer tests on composite samples
by adding 40 $wt\%$ Ag (HAg40) and 30 $wt\%$ Ni-Cr (HNC30).
Gas-tightness measurements of sandwiched samples produced
appropriate helium leakage rates in the range of 10−6
mbar·l·s−1. Sealing behaviour of sealants HAg40 and
HNC30 were investigated by joining STF25 and
as-delivered/pre-oxidized Aluchrom together. Scanning
electron microscopy (SEM) on cross-sections of the joints
revealed a homogeneous microstructure and good adherence of
the glass sealants to support metals and STF25.},
cin = {IEK-1 / ZEA-1},
ddc = {660},
cid = {I:(DE-Juel1)IEK-1-20101013 / I:(DE-Juel1)ZEA-1-20090406},
pnm = {1232 - Power-based Fuels and Chemicals (POF4-123)},
pid = {G:(DE-HGF)POF4-1232},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000766625000001},
doi = {10.1016/j.jeurceramsoc.2022.01.052},
url = {https://juser.fz-juelich.de/record/907132},
}