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@ARTICLE{Thiem:836957,
author = {Thiem, P. G. and Chornyi, A. and Smirnov, I. V. and
Krüger, M.},
title = {{C}omparison of {M}icrostructure and {A}dhesion {S}trength
of {P}lasma, {F}lame and {H}igh {V}elocity {O}xy-{F}uel
{S}prayed {C}oatings{F}from an {I}ron {A}luminide {P}owder},
journal = {Surface and coatings technology},
volume = {324},
issn = {0257-8972},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2017-05979},
pages = {498 - 508},
year = {2017},
abstract = {In this study an iron aluminide powder with the feedstock
powder composition of Fe-28Al-5Cr and a particle size of 45
μm to 75 μm was thermally sprayed onto AlSi10Mg and
AlSi12CuNiMg substrates by flame spray (FS), atmospheric
plasma spray (APS) and high velocity oxy-fuel spray (HVOF)
processes. The combination of the utilized materials is due
to lightweight design and is, therefore, different from most
of the previous studies, which dealt with the application of
iron aluminide coatings onto steels. Coatings were analyzed
in terms of microstructural investigations using SEM coupled
with EDX measurements in the as sprayed condition and after
a heat treatment of 100 h at 500 °C in argon atmosphere.
Phase analysis was performed by XRD measurements in the as
sprayed and heat treated condition. The FS and APS coatings
contained different amounts of a bcc solid solution α(Fe,
Al, Cr), FeO, Fe3O4, FeAl2O4 and γ-Al2O3. It was found that
the FeO rearranged to bcc Fe and Fe3O4 during this heat
treatment. The HVOF coating retained $90\%$ of feedstock
powder material and a low fraction of oxide and Al-depleted
phases. The microhardness was determined to be 277 HV0.4
(FS), 394 HV0.4 (APS) and 479 HV0.4 (HVOF) which was
associated to the different constituting phases. Adhesion
strength was measured using the tensile adhesion test (TAT)
and the achieved adhesion was 13.8 MPa (APS), 30.3 MPa (FS)
and exceeded 58 MPa (HVOF).},
cin = {IEK-2},
ddc = {620},
cid = {I:(DE-Juel1)IEK-2-20101013},
pnm = {111 - Efficient and Flexible Power Plants (POF3-111)},
pid = {G:(DE-HGF)POF3-111},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000406988200057},
doi = {10.1016/j.surfcoat.2017.06.016},
url = {https://juser.fz-juelich.de/record/836957},
}