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@ARTICLE{Gonzalez:280646,
author = {Gonzalez, Jesus and Jähnert, Kevin and Speer, Kerstin and
Liu, Limeng and Räthel, Jan and Knapp, Michael and
Ehrenberg, Helmut and Bram, Martin and Guillon, Olivier},
title = {{E}ffect of {I}nternal {C}urrent {F}low {D}uring the
{S}intering of {Z}irconium {D}iboride by {F}ield {A}ssisted
{S}intering {T}echnology},
journal = {Journal of the American Ceramic Society},
volume = {99},
number = {1},
issn = {0002-7820},
address = {Oxford [u.a.]},
publisher = {Wiley-Blackwell},
reportid = {FZJ-2016-00411},
pages = {35 - 42},
year = {2016},
abstract = {Effect of electric current on sintering behavior and
microstructure evolution of zirconium diboride (ZrB2) was
investigated using three different configurations of Field
Assisted Sintering Technology/Spark Plasma Sintering. The
current flow through the ZrB2 compact was controlled by
modifying the interface between the graphite punches and the
electrical conductive powder. Boron nitride discs, graphite
foils or direct contact with the graphite punches were the
three different interfaces used in order to deflect, conduct
or promote, respectively, the current during the sintering
process of the electrically conductive ZrB2 ceramics. The
current flow during the sintering process triggered the
elimination/reduction in B2O3, leading to faster diffusion
rates at high temperatures and limiting the formation of B4C
secondary phase. This allows to control the final density,
grain size (from 19.6 to 43.2 μm) and secondary phase
formation (from 5.95 to 11.61 $vol\%)$ as well as the
electrical resistivity (from 7.7 to 9.4 μΩ·cm) of the
specimens.},
cin = {IEK-1 / JARA-ENERGY},
ddc = {660},
cid = {I:(DE-Juel1)IEK-1-20101013 / $I:(DE-82)080011_20140620$},
pnm = {899 - ohne Topic (POF3-899)},
pid = {G:(DE-HGF)POF3-899},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000368076800007},
doi = {10.1111/jace.13931},
url = {https://juser.fz-juelich.de/record/280646},
}