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@ARTICLE{Dargatz:280720,
author = {Dargatz, Benjamin and Gonzalez, Jesus and Bram, Martin and
Shinoda, Yutaka and Wakai, Fumihiro and Guillon, Olivier},
title = {{FAST}/{SPS} sintering of nanocrystalline zinc
oxide—{P}art {II}: {A}bnormal grain growth, texture and
grain anisotropy},
journal = {Journal of the European Ceramic Society},
volume = {36},
number = {5},
issn = {0955-2219},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2016-00477},
pages = {1221-1232},
year = {2016},
abstract = {This second part describes the retention of
nanocrystallinity during sintering of ZnO by means of
Field-assisted Sintering Technique/Spark-Plasma-Sintering
(FAST/SPS), whereas the first part [doi:
10.1016/j.jeurceramsoc.2015.12.009] concentrated on
hydroxide-ion-enhanced densification and defect
stoichiometry. Interface design by surface bound water on
zinc oxide offers a novel method to control in a new way
diffusion in nanocrystalline polycrystals. Therefore, zinc
oxide powder was humidified or dried and afterwards heated
quickly (100 K/min) by FAST/SPS. Interestingly, the
densification is strongly promoted in presence of water
reducing the sintering temperature to 400 °C. Thus, grain
growth is decreased by one order of magnitude while
achieving full densification. The crystalline texture
developed irrespective of temperature or presence of water.
Moreover, the formation of hydroxide complexion at grain
boundaries is discussed as it might modify grain boundary
mobility and lead to pronounced grain anisotropy
perpendicular to the uniaxial applied load.},
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:000369457300012},
doi = {10.1016/j.jeurceramsoc.2015.12.008},
url = {https://juser.fz-juelich.de/record/280720},
}