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@ARTICLE{Ebrahimzade:893793,
author = {Ebrahimzade, V. and Haasler, D. and Malzbender, J.},
title = {{F}ailure mechanism and lifetime of various laser-drilled
{APS}-{TBC} systems under {LCF} conditions},
journal = {Engineering failure analysis},
volume = {127},
issn = {1350-6307},
address = {Oxford [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2021-02832},
pages = {105526 -},
year = {2021},
abstract = {Laser drilling is a highly efficient method to produce
cooling holes in TBC systems. Low-Cycle Fatigue tests on APS
TBC-coated nickel-based superalloy specimens were performed
for undrilled and laser-drilled samples, using a long-pulsed
and an ultra-short pulsed laser method at two different
angles. The tests were conducted at 850 °C with two
mechanical strain ranges of $0.38\%$ and $0.67\%$ to analyse
the influence of the quality of the laser drilled holes on
failure mechanism and lifetime. Ultra-short pulsed laser and
inclined cooling holes showed longer life time compared to
the other drilled variants.},
cin = {IEK-2},
ddc = {600},
cid = {I:(DE-Juel1)IEK-2-20101013},
pnm = {1221 - Fundamentals and Materials (POF4-122)},
pid = {G:(DE-HGF)POF4-1221},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000691760600004},
doi = {10.1016/j.engfailanal.2021.105526},
url = {https://juser.fz-juelich.de/record/893793},
}