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@ARTICLE{Bolbut:849814,
author = {Bolbut, V. and Bogomol, I. and Loboda, P. and Krüger, M.},
title = {{M}icrostructure and mechanical properties of a
directionally solidified {M}o-12{H}f-24{B} alloy},
journal = {Journal of alloys and compounds},
volume = {735},
issn = {0925-8388},
address = {Lausanne},
publisher = {Elsevier},
reportid = {FZJ-2018-03917},
pages = {2324 - 2330},
year = {2018},
abstract = {In the present paper we report on a new Mo-12Hf-24B (in at.
$\%)$ alloy which was processed by crucible-free zone
melting (ZM) from cold pressed elemental powders. The alloy
was solidified using crystallization rates of 90 mm/h, 100
mm/h and 110 mm/h. SEM investigations of the zone molten
alloys showed well-aligned arrangements of the
microstructural constituents. XRD analyses revealed the
following phases: MoSS, Mo2B, HfB and a new phase, which is
provisionally indicated as Mo2HfBx. The phases Mo2B and
Mo2HfBx have a preferred crystallographic orientation
parallel to the growth direction. High temperature
compression creep strength at about 1100 °C was evaluated
and compared with the commonly used Ni-based superalloys
CMSX-4 and CMSX-10 as well as a directionally solidified
Mo-Si-B materials. In comparison to the reference alloys,
the creep resistance of ZM Mo-Hf-B materials was found to be
substantially improved due to the construction and
anisotropic arrangement of the incorporated compound phases
in these Mo-based alloy.},
cin = {IEK-2},
ddc = {670},
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:000418518600284},
doi = {10.1016/j.jallcom.2017.11.352},
url = {https://juser.fz-juelich.de/record/849814},
}