Journal of Materials Research and Technology,
Journal Year:
2024,
Volume and Issue:
30, P. 9415 - 9424
Published: May 1, 2024
The
10
vol.%
ZrMgMo3O12/2024Al
composites
were
fabricated
using
the
powder
metallurgy
process
and
consolidation
via
vacuum
hot
pressing.
effects
of
ball
milling
solution
treatment
time
on
composites'
microstructure,
Vickers
hardness,
compressive
properties
studied.
Increasing
speed
extending
duration
reduce
size
ZrMgMo3O12
particles,
resulting
in
a
more
uniform
dispersion
within
aluminum
matrix.
Extending
facilitates
dissolution
primary
Al2Cu
phase
into
matrix
reducing
presence
coarse
increasing
number
fine
precipitates
formed
during
aging
process.
results
indicated
that
an
appropriate
increase
speed,
extension
duration,
can
enhance
hardness
room
temperature
strength
composites.
Specifically,
processed
with
350
rpm
for
6
h,
solid
at
495
°C
24
190
8
h
exhibited
277
HV
yield
687
MPa,
along
strain
7.8
%.
Journal of Materials Research and Technology,
Journal Year:
2024,
Volume and Issue:
31, P. 4088 - 4103
Published: July 1, 2024
This
study
examines
the
mechanical
properties
and
wear
mechanisms
of
magnesium
(Mg)
metal
matrix
composites
reinforced
with
titanium
(Ti)
silicon
carbide
(SiC)
particles.
Three
different
composite
formulations
were
investigated:
Mg-30
wt%
Ti
(A),
Mg-25
Ti-5
wt.%
SiC
(NB),
Mg-20
Ti-10
(NC),
Mg-15
Ti-15
(ND).
These
fabricated
through
ball
milling
spark
plasma
sintering
(SPS).
The
incorporation
particles
significantly
enhanced
grain
refinement
phase
formation
within
composites.
Density
analysis
revealed
that
actual
densities
lower
than
theoretical
values,
Composite
A
exhibiting
highest
density
2.15
g/cm³
lowest
porosity
16.31%.
introduction
increased
porosity,
NB
displaying
at
30.58%.
Hardness
testing
indicated
NC,
containing
10
SiC,
achieved
hardness
137
HV.
In
contrast,
ND,
15
showed
a
reduced
115
HV,
attributed
to
potential
particle
agglomeration.
Wear
behavior
was
evaluated
using
pin-on-disc
tribometer.
Weight
loss
measurements
had
weight
(1.1–2.1
mg),
while
experienced
(2.8–8.3
mg)
due
porosity.
NC
demonstrated
balance
moderate
(2.0–3.8
mg).
coefficient
friction
(COF)
varied
content
applied
loads
(2,
4,
8
N),
demonstrating
COF
values
(2.3–2.8)
stable
performance
across
loads.
exhibited
higher
(3.5–4)
significant
fluctuations
elevated
presence
better
resistance
more
(2.5–2.9)
compared
ND.
Journal of Materials Research and Technology,
Journal Year:
2024,
Volume and Issue:
30, P. 3602 - 3610
Published: April 15, 2024
As
additive
manufacturing
gains
widespread
adoption
across
various
industries,
its
application
to
traditional
materials
such
as
bronze
remains
relatively
underexplored.
Through
a
comprehensive
assessment,
this
research
investigates
the
extrusion-based
of
bronze,
utilizing
CuSn10/Polylactic
Acid
(PLA)
composite
filament
for
printing
green
parts,
followed
by
thermal
debinding
and
sintering
processes
produce
metal
parts.
By
systematically
varying
3D
printing,
debinding,
parameters,
optimized
conditions
parts
are
identified.
The
study
evaluates
key
material
properties
including
density,
ultimate
tensile
strength,
surface
morphology,
electrical
conductivity
produced
Additionally,
influence
parameters
on
dimensional
deviation
shrinkage
both
is
analyzed.
Overall,
highlights
potential
revolutionize
production,
offering
valuable
insights
into
process
enhancement
component
wide
range
industrial
applications.
