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@ARTICLE{Meid:864547,
author = {Meid, C. and Waedt, U. and Subramaniam, A. and Wischek, J.
and Bartsch, M. and Terberger, P. and Vaßen, R.},
title = {{M}iniaturization of low cycle fatigue‐testing of single
crystal superalloys at high temperature for uncoated and
coated specimens},
journal = {Materials science and engineering technology},
volume = {50},
number = {7},
issn = {1521-4052},
address = {Weinheim},
publisher = {Wiley-VCH},
reportid = {FZJ-2019-04284},
pages = {777 - 787},
year = {2019},
abstract = {A newly developed miniature specimen and respective fixture
for high temperature low cycle fatigue testing of nickel
based single crystal superalloys is presented.
Miniaturization allows the preparation of test specimens in
all main crystallographic orientations of the cubic nickel
crystal using laboratory sized material samples and enables
excellent utilization of the costly material. The specimen
geometry is optimized by means of parameter studies
employing numerical calculations such that for the main
crystallographic orientations the stress concentration at
the fillet between gauge length and specimen head is
minimized, and failure is likely to occur within the gauge
length. The designed fixture allows easy specimen mounting
and provides sufficient support for applying an extensometer
for strain measurement. Protective metallic coatings against
oxidation can be applied on the specimen by plasma spraying
for studying the effect of coatings on the fatigue lifetime.
The functionality of the specimen geometry and fixture
design for low cycle fatigue testing is demonstrated for
temperatures up to 950 °C.},
cin = {IEK-1},
ddc = {670},
cid = {I:(DE-Juel1)IEK-1-20101013},
pnm = {113 - Methods and Concepts for Material Development
(POF3-113)},
pid = {G:(DE-HGF)POF3-113},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000475403700001},
doi = {10.1002/mawe.201800135},
url = {https://juser.fz-juelich.de/record/864547},
}