The International Journal of Advanced Manufacturing Technology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 19, 2024
Abstract
Additive
manufacturing,
particularly
fused
filament
fabrication
(FFF),
enables
the
creation
of
polymer
composites
with
precisely
controlled
mechanical
properties.
This
control
depends
heavily
on
mixing
method
during
fabrication,
which
significantly
impacts
how
reinforcing
elements
are
distributed
within
material.
Despite
its
importance,
a
critical
knowledge
gap
exists
regarding
different
methods
affect
properties
FFF-printed
composites.
study
evaluates
three
methods—magnetic
stirring
(MS),
wet
speed
mix
(WSM),
and
dry
(DSM)
for
polylactic
acid-hydroxyapatite
(PLA-HA)
printed
using
FFF
method.
The
fabricated
were
assessed
micro-indentation
isostatic
compression
tests,
as
well
topography
elemental
composition
via
scanning
electron
microscopy
(SEM)
energy-dispersive
X-ray
spectroscopy
(EDS),
respectively.
Micro-indentation
revealed
highest
elastic
modulus,
indentation
hardness,
creep
resistance
DSM
samples.
Isostatic
tests
also
corroborated
these
findings,
leading
to
higher
modulus
elasticity,
resilience,
absorbed
plastic
energy,
achievable
compressive
stress.
EDS
analysis
confirmed
presence
HA
particles
PLA
matrix
all
sample
types.
Among
widely
used
procedures,
findings
this
suggest
that
holds
promise
fabricating
high-performance
While
is
limited
PLA-HA
composites,
approach
may
offer
pathway
exploring
application
other
ceramic-reinforced
in
future
research.
Journal of Composite Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 25, 2025
Microstructure
and
mechanical
properties
of
polymer
matrix
composites
(PMCs)
using
as-received
biochar
derived
from
kitchen
bio-waste
Hexion
LR160
epoxy
as
the
material
were
investigated.
The
PMCs
produced
via
glass
moulding
with
higher
contents
10
wt.%,
20
30
wt.%.
Scanning
electron
microscopy
(SEM),
Raman
spectroscopy,
Fourier
transform
infrared
spectroscopy
(FTIR)
used
to
analyze
microstructure,
chemical
composition,
interfacial
bonding.
SEM
analysis
revealed
agglomeration
at
lower
concentrations
increased
homogeneity
contents.
confirmed
biochar’s
disordered
carbon
structure
(ID/IG
=
1.10),
while
FTIR
identified
characteristic
functional
groups
suggesting
adhesion
between
matrix.
Mechanical
testing
showed
a
modulus
increase
3.61
GPa
(pure
epoxy)
4.98
(PMC-C30).
Tensile
strength,
initially
than
pure
(62.00
MPa),
21.00
MPa
(PMC-C10)
32.2
(PMC-C30)
content,
indicating
its
reinforcing
potential.
Hardness
175
HB
237
(PMC-C30),
further
confirming
strengthening
effect.
results
this
study
contribute
demonstrating
potential
sustainable
filler,
supporting
eco-friendly
composite
development
reducing
environmental
footprint
polymer-based
materials.
Polymer Composites,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 25, 2025
Abstract
Graphene
fillers
significantly
enhance
the
mechanical
properties
of
polymer
composites.
While
experimental
analysis
remains
crucial,
computational
approaches
such
as
finite
element
(
FEA
)
provide
an
efficient
alternative
for
characterizing
these
enhancements.
In
this
work,
we
developed
a
multiscale
framework
where
composite
were
obtained
by
microscale
modeling
using
representative
volume
elements
RVE
in
validated
results,
which
then
used
input
macroscopic
multi‐layered
laminate
structures
under
pure
and
open‐hole
tensile
tests.
The
effects
filler
orientation
loading
on
strength
investigated.
Our
results
reveal
that
orthotropic
laminates
exhibit
superior
performance
compared
to
quasi‐isotropic
those
with
randomly
oriented
fillers.
in‐plane
alignment
provides
more
effective
reinforcement,
leading
average
28.40%
lower
maximum
failure
index
(FI)
values
than
laminates.
Additionally,
uniform
outperform
variable
distributions,
stress
is
evenly
distributed,
reducing
FI
44.71%
19.62%
laminates,
respectively.
Furthermore,
choice
matrix
affects
well.
Polycarbonate,
its
higher
modulus,
enhances
graphene
reinforcement
effectively
high‐density
polyethylene.
These
findings
highlight
importance
alignment,
distribution,
selection
optimizing
polymer‐graphene
design
insights
explorations.
Highlights
Developed
microscopic
model
results.
Utilized
approach
linking
macroscale
model.
Achieved
guide
nanocomposite
structures.
Pharmaceutics,
Journal Year:
2025,
Volume and Issue:
17(5), P. 551 - 551
Published: April 23, 2025
Computational
intelligence
(CI)
mimics
human
by
expanding
the
capabilities
of
machines
in
data
analysis,
pattern
recognition,
and
making
informed
decisions.
CI
has
shown
promising
contributions
to
advancements
drug
discovery,
formulation,
manufacturing.
Its
ability
analyze
vast
amounts
patient
optimize
formulations
predicting
pharmacokinetic
pharmacodynamic
responses
makes
it
a
very
useful
platform
for
personalized
medicine.
The
integration
with
3D
printing
further
strengthens
this
potential,
as
enables
fabrication
medicines
precise
doses,
controlled-release
profiles,
complex
formulations.
Furthermore,
automated
digital
make
suitable
CI.
proven
material
printability,
optimizing
release
rates,
designing
structures,
ensuring
quality
control,
improving
manufacturing
processes
printing.
In
context
customizing
from
3D-printed
products,
techniques
have
been
applied
predict
input
variables
design
geometries
that
achieve
desired
profile.
This
review
explores
role
It
provides
overview
limitations
printing;
how
can
overcome
these
challenges,
its
potential
release;
comparison
other
methods
optimization;
real-world
examples
Matéria (Rio de Janeiro),
Journal Year:
2024,
Volume and Issue:
29(4)
Published: Jan. 1, 2024
ABSTRACT
The
increasing
demand
for
sustainable
materials
has
sparked
growing
interest
in
natural
fiber
composites,
such
as
bamboo-reinforced
polymers,
due
to
their
renewability,
cost-effectiveness,
and
favorable
mechanical
properties.
This
study
evaluates
the
performance
of
composites
fabricated
using
epoxy
polyurethane
matrices,
highlighting
potential
eco-friendly
alternatives
synthetic
composites.
Bamboo's
high
strength-to-weight
ratio
compatibility
with
polymer
matrices
make
it
a
promising
reinforcement
material
structural
applications.
Experimental
results
showed
significant
improvements
tensile
flexural
Unidirectional
bamboo-epoxy
achieved
strength
125
MPa,
25-fold
increase
compared
pure
matrix
(5
MPa).
modulus
elasticity
also
increased
from
20
MPa
4,020
unidirectional
bamboo-polyurethane
Flexural
improved
markedly,
reaching
80
6
matrix.
Microstructural
analysis
indicated
enhanced
fiber-matrix
adhesion
optimized
orientation
key
factors
contributing
performance,
while
voids
pull-out
limited
further
enhancements.
These
findings
demonstrate
bamboo
composites'
viability
competitive
lays
groundwork
future
optimization
broader
industrial
adoption
Journal of Polytechnic,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 1
Published: Oct. 1, 2024
Design
tasks
involving
multiple
complex
requirements
and
constraints
reveal
the
need
for
extensive
materials
research
in
aerospace
industry.
This
process
requires
researchers
to
innovate
that
conform
strict
design
specifications.
Reasons
given
advancement
of
neither
abrogate
material
testing
nor
supersede
simplified
approaches.
Structural
precise
tracking
elastic
strength
properties
materials.
Hence,
tensile,
flexural,
interlaminar
shear
are
evaluated
by
two-factor
analysis
method
this
study.
It
provides
a
detailed
search
every
conceivable
combinations
factors’
levels
through
each
complete
test.
The
factorial
modeling
is
proposed
as
useful
while
performing
on
mechanical
rather
than
roughly
providing
averaged
values
tested
RSC Advances,
Journal Year:
2024,
Volume and Issue:
14(44), P. 32267 - 32283
Published: Jan. 1, 2024
This
work
contributes
to
the
ongoing
efforts
of
BMPMs
in
biomedical
field
and
provides
a
steppingstone
for
developing
more
effective
BMPM-based
products
clinical
applications.
