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@ARTICLE{Muoz:819431,
author = {Muñoz, A. and Monge, M. A. and Savoini, B. and Pareja, R.
and Radulescu, A.},
title = {{SANS} characterization of particle dispersions in {W}-{T}i
and {W}-{V} alloys},
journal = {International journal of refractory metals $\&$ hard
materials},
volume = {61},
issn = {0263-4368},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2016-05095},
pages = {173 - 178},
year = {2016},
abstract = {SEM analyses of W-Ti and W-V alloys produced by a powder
metallurgy route have revealed the presence of Ti or V pools
with different sizes and shapes. The larger pools have sizes
between ~ 0.3 and several microns and are embedded between
the matrix grains. The smaller Ti-rich (V-rich) particles,
with sizes below ~ 0.3 μm, are spherical and are dispersed
inside the matrix grains. The characteristics of the second
phase nanoparticles have been studied using the SANS
technique. The scattering curves have been analyzed in terms
of a polydisperse particle system following the Beaucage
approach, and the maximum entropy method to obtain the
particle size distributions. Beaucage analyses suggest the
presence of two particle populations, characterized by radii
of gyration from 50 to 80 Å (population I) and between 650
and 760 Å (population II). The volume distribution obtained
by the maximum entropy approach reveals a prominent peak
with particle diameter of 60 Å and ~ 70 Å for the W-Ti and
W-V alloys, respectively. Secondary peaks in the size range
100–300 Å could be associated with the particle
population with the larger radius of gyration.},
cin = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
(München) ; JCNS-FRM-II / Neutronenstreuung ; JCNS-1},
ddc = {670},
cid = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
I:(DE-Juel1)JCNS-1-20110106},
pnm = {6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for
Neutron Research (JCNS) (POF3-623)},
pid = {G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4},
experiment = {EXP:(DE-MLZ)KWS2-20140101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000388048300023},
doi = {10.1016/j.ijrmhm.2016.09.009},
url = {https://juser.fz-juelich.de/record/819431},
}