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@ARTICLE{FakouriHasanabadi:891746,
author = {Fakouri Hasanabadi, M. and Malzbender, J. and
Groß-Barsnick, S. M. and Abdoli, H. and Kokabi, A. H. and
Faghihi-Sani, M. A.},
title = {{M}icro-scale evolution of mechanical properties of
glass-ceramic sealant for solid oxide fuel/electrolysis
cells},
journal = {Ceramics international / Ci news},
volume = {47},
number = {3},
issn = {0272-8842},
address = {Faenza},
publisher = {Ceramurgia73399},
reportid = {FZJ-2021-01706},
pages = {3884 - 3891},
year = {2021},
abstract = {The structural integrity of the sealant is critical for the
reliability of solid oxide cells (SOCs) stacks. In this
study, elastic modulus (E), hardness (H) and fracture
toughness (KIC) of a rapid crystallizing glass of
BaO–CaO–SiO2 system termed “sealant G” are reported
as determined using an indentation test method at room
temperature. A wide range of indentation loads (1 mN–10 N)
was used to investigate the load-dependency of these
mechanical properties. Values of 95 ± 12 GPa, 5.8 ± 0.2
GPa and 1.15 ± 0.07 MPa m0.5 were derived for E, H and KIC
using the most suitable indentation loads. An application
relevant annealing treatment of 500 h at 800 °C does not
lead to a significant change of the mechanical properties.
Potential self-healing behavior of the sealant has also been
studied by electron microscopy, based on heat treatment of
samples with indentation-induced cracks for 70 h at 850 °C.
Although the sealant G is considered to be fully
crystallized, evidence indicates that its cracks can be
healed even in the absence of a dead load.},
cin = {IEK-2 / ZEA-1},
ddc = {670},
cid = {I:(DE-Juel1)IEK-2-20101013 / I:(DE-Juel1)ZEA-1-20090406},
pnm = {211 - Die Atmosphäre im globalen Wandel (POF4-211) / 122 -
Elektrochemische Energiespeicherung (POF4-122)},
pid = {G:(DE-HGF)POF4-211 / G:(DE-HGF)POF4-122},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000602999400002},
doi = {10.1016/j.ceramint.2020.09.250},
url = {https://juser.fz-juelich.de/record/891746},
}