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@ARTICLE{Vasechko:156442,
author = {Vasechko, V. and Huang, B. and Ma, Qianli and Tietz, Frank
and Malzbender, Jürgen},
title = {{T}hermomechanical {P}roperties of {Y}-{S}ubstituted
{S}r{T}i{O}$_{3}$ {U}sed as {R}e-oxidation {S}table {A}node
{S}ubstrate {M}aterial},
journal = {Journal of the European Ceramic Society},
volume = {34},
number = {15},
issn = {1873-619X},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2014-05181},
pages = {3749-3754},
year = {2014},
abstract = {Re-oxidation robustness is important to warrant a reliable
operation of anode-supported solid oxide fuel cell systems.
The current work concentrates on the mechanical properties
of re-oxidation stable Y-substituted SrTiO3 ceramic for the
use as anode substrate material. Room temperature
micro-indentation yielded Young's modulus and hardness of
160 and 7 GPa, respectively, whereas the
temperature-dependent modulus was measured with a
resonance-based method up to ∼950 °C. The effective
Young's modulus as a function of porosity was measured at
room temperature and compared with fracture strength data.
The fracture toughness was assessed using a combination of
pre-indentation cracks and bending test. Creep rates were
measured at 800 and 900 °C in a 3-point bending
configuration. Post-test fractographic analysis performed
using stereo, confocal and scanning electron microscopy,
revealed important information on fracture origins and
critical defects in the material. A methodology to assess
the mechanical properties of porous materials is suggested.},
cin = {IEK-2 / IEK-1},
ddc = {660},
cid = {I:(DE-Juel1)IEK-2-20101013 / I:(DE-Juel1)IEK-1-20101013},
pnm = {122 - Power Plants (POF2-122)},
pid = {G:(DE-HGF)POF2-122},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000340976200033},
doi = {10.1016/j.jeurceramsoc.2014.05.013},
url = {https://juser.fz-juelich.de/record/156442},
}