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@ARTICLE{Htter:858385,
author = {Hütter, S. and Hasemann, G. and Al-Karawi, J. and Krüger,
M. and Halle, T.},
title = {{P}rediction of {T}hermodynamic {P}roperties of
{M}o-{S}i-{B} {A}lloys from {F}irst-{P}rinciples
{C}alculations},
journal = {Metallurgical and materials transactions / A Physical
metallurgy and materials science A},
volume = {49},
number = {12},
issn = {1543-1940},
address = {Boston},
publisher = {Springer},
reportid = {FZJ-2018-07271},
pages = {6075 - 6083},
year = {2018},
abstract = {Many technological applications such as heat treatment
processes and their computational modeling and simulation
require knowledge of the thermodynamic properties of the
phases involved. Depending on the alloy system, experimental
methods to obtain high-accuracy values especially for
specific heat capacity of ultra-high-melting alloys will
require high-temperature equipment, which is expensive and
restricted in terms of the maximum temperature. We present a
method for obtaining these values from first-principles
(density functional theory) calculations and compare this
method to experimental data of Mo-based alloys. The ab
initio approach is based on the computation of elastic
properties, which are then used to fit a Birch–Murnaghan
equation of state to solve the Debye model. Experimental
values are obtained by differential scanning calorimetry of
single-phase and three-phase samples, from which individual
phase properties are reconstructed using a phase mixing
approach. It can be concluded that all methods employed
agree within reasonable limits of accuracy, showing the
validity of the first-principles approach.},
cin = {IEK-2},
ddc = {530},
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:000450297300022},
doi = {10.1007/s11661-018-4928-1},
url = {https://juser.fz-juelich.de/record/858385},
}