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@ARTICLE{Fiebig:873885,
author = {Fiebig, Jochen and Bakan, Emine and Kalfhaus, Tobias and
Mauer, Georg and Guillon, Olivier and Vaßen, Robert},
title = {{T}hermal {S}pray {P}rocesses for the {R}epair of {G}as
{T}urbine {C}omponents},
journal = {Advanced engineering materials},
volume = {22},
number = {6},
issn = {1527-2648},
address = {Frankfurt, M.},
publisher = {Deutsche Gesellschaft für Materialkunde},
reportid = {FZJ-2020-01075},
pages = {1901237 -},
year = {2020},
abstract = {Gas turbine components are often operated in harsh
conditions, which can lead to severe damage. As it is highly
desirable from both an economical and an ecological point of
view to restore these worn areas instead of manufacturing
new components, repair technologies are of huge interest for
companies supplying maintenance and overhaul of gas
turbines. In this article, two thermal techniques are
described that can be used for this application: cold gas
spraying (CGS) and vacuum plasma spraying (VPS). The CGS
process allows the deposition of metallic coatings with
excellent mechanical properties; several examples including
γ‐TiAl, Inconel (IN) 718, and IN 738 are given. Essential
for the deposition of high‐performance coatings in CGS is
to exceed the so‐called critical velocity. This is
discussed also with experimental findings. As a final topic,
experiments that use VPS for the repair of single‐crystal
alloys are described.},
cin = {IEK-1 / JARA-ENERGY},
ddc = {660},
cid = {I:(DE-Juel1)IEK-1-20101013 / $I:(DE-82)080011_20140620$},
pnm = {113 - Methods and Concepts for Material Development
(POF3-113)},
pid = {G:(DE-HGF)POF3-113},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000513074200001},
doi = {10.1002/adem.201901237},
url = {https://juser.fz-juelich.de/record/873885},
}