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@ARTICLE{Badie:893795,
author = {Badie, Sylvain and Gabriel, Rimy and Sebold, Doris and
Vaßen, Robert and Guillon, Olivier and Gonzalez-Julian,
Jesus},
title = {{I}njection {M}olding and {N}ear-{C}omplete {D}ensification
of {M}onolithic and {A}l2{O}3 {F}iber-{R}einforced
{T}i2{A}l{C} {MAX} {P}hase {C}omposites},
journal = {Materials},
volume = {14},
number = {13},
issn = {1996-1944},
address = {Basel},
publisher = {MDPI},
reportid = {FZJ-2021-02834},
pages = {3632 -},
year = {2021},
abstract = {Near-net shape components composed of monolithic Ti2AlC and
composites thereof, containing up to 20 $vol.\%$ Al2O3
fibers, were fabricated by powder injection molding. Fibers
were homogeneously dispersed and preferentially oriented,
due to flow constriction and shear-induced velocity
gradients. After a two-stage debinding procedure, the
injection-molded parts were sintered by pressureless
sintering at 1250 °C and 1400 °C under argon, leading to
relative densities of up to $70\%$ and $92\%,$ respectively.
In order to achieve near-complete densification, field
assisted sintering technology/spark plasma sintering in a
graphite powder bed was used, yielding final relative
densities of up to $98.6\%$ and $97.2\%$ for monolithic and
composite parts, respectively. While the monolithic parts
shrank isotropically, composite assemblies underwent
anisotropic densification due to constrained sintering, on
account of the ceramic fibers and their specific
orientation. No significant increase, either in hardness or
in toughness, upon the incorporation of Al2O3 fibers was
observed. The 20 $vol.\%$ Al2O3 fiber-reinforced specimen
accommodated deformation by producing neat and well-defined
pyramidal indents at every load up to a 30 kgf (~294 N).},
cin = {IEK-1 / JARA-ENERGY},
ddc = {600},
cid = {I:(DE-Juel1)IEK-1-20101013 / $I:(DE-82)080011_20140620$},
pnm = {1241 - Gas turbines (POF4-124)},
pid = {G:(DE-HGF)POF4-1241},
typ = {PUB:(DE-HGF)16},
pubmed = {34209721},
UT = {WOS:000671280800001},
doi = {10.3390/ma14133632},
url = {https://juser.fz-juelich.de/record/893795},
}