Applied Sciences,
Год журнала:
2024,
Номер
14(22), С. 10100 - 10100
Опубликована: Ноя. 5, 2024
Additive
manufacturing
(AM)
plays
a
significant
role
in
the
4th
Industrial
Revolution
due
to
its
flexibility,
allowing
AM
equipment
be
connected,
monitored,
and
controlled
real
time.
In
advance,
minimum
waste
of
material,
agility
complex
geometries,
ability
use
recycled
materials
can
provide
an
advantage
this
method.
On
other
hand,
poor
strength
durability
thermoplastics
used
process
are
major
drawback
that
keeps
behind
common
production
methods
such
as
casting
machining.
Fibre-reinforced
polymers
enhance
mechanical
properties,
advance
from
commonly
polymers,
make
competitive
against
conventional
methods.
The
main
focus
current
review
is
examine
work
conducted
field
reinforced
additively
manufactured
technologies
literature
recent
years.
More
specifically,
discusses
research
composite
fibre
coextrusion
(CFC)
additive
techniques
developed
over
past
years
used.
addition,
study
includes
up-to-date
comprehensive
evaluation
fibre-reinforced
3D
printing
along
with
benefits
terms
response,
namely
tensile,
flexural,
compression
energy
absorption,
anisotropy,
dynamic
properties.
Finally,
highlights
possible
gaps
regarding
proposes
future
directions,
deeper
investigations
into
absorption
position
preferred
fabrication
method
for
ready-to-use
parts
cutting-edge
industries,
including
automotive,
aerospace,
biomedical
sectors.
Journal of Composites Science,
Год журнала:
2025,
Номер
9(5), С. 208 - 208
Опубликована: Апрель 25, 2025
Polyether
ether
ketone
(PEEK)
is
a
high-performance
thermoplastic
widely
used
in
aerospace,
automotive,
and
medical
applications
due
to
its
exceptional
strength,
heat
resistance,
chemical
stability.
However,
warpage
mechanical
property
variations
remain
significant
challenges
3D
printing
PEEK
parts.
This
study
investigates
the
effect
of
key
parameters,
including
nozzle
temperature,
layer
thickness,
platform
infill
rate,
on
properties
3D-printed
components.
By
systematically
analyzing
tensile
compressive
loading
conditions,
this
research
aims
optimize
settings
improve
dimensional
accuracy
structural
integrity.
The
experimental
results
indicate
that
properties,
such
as
stress
at
break,
vary
significantly
with
conditions.
highest
strength
achieved
were
71.4
MPa
167
MPa,
respectively.
Meanwhile,
lowest
(45.36
MPa)
strengths
(72.5
also
recorded.
Higher
temperatures,
coupled
increased
rates,
enhance
adhesion,
leading
improved
strength.
temperature
400
°C,
130
60%
rate
lead
optimal
bonding
between
layers
thus
reduction
warpage.
Considering
all
four
corners
°C
0.16
mm
provide
10%
carbon
fiber-reinforced
composites
exhibit
an
1.68
times
higher
compared
pure
PEEK.
To
emphasize
importance
thermal
settings,
findings
highlight
crucial
role
parameters
minimizing
enhancing
parts,
which
analyzed
by
multi-objective
optimization
method.
Scanning
electron
microscopy
analyses
carried
out
analyze
fracture
morphology
orientation.
Polymers,
Год журнала:
2024,
Номер
16(23), С. 3268 - 3268
Опубликована: Ноя. 24, 2024
Increasing
environmental
concerns
and
the
need
for
sustainable
materials
have
driven
a
focus
towards
utilization
of
recycled
polylactic
acid
(PLA)
in
additive
manufacturing
as
PLA
offers
advantages
over
other
thermoplastics,
including
biodegradability,
ease
processing,
lower
impact
during
production.
This
study
explores
optimization
mechanical
properties
parts
through
combination
experimental
machine
learning
approaches.
A
series
experiments
were
conducted
to
investigate
various
processing
parameters,
such
layer
thickness
infill
density,
well
annealing
conditions,
on
parts.
Machine
algorithms
proven
possibility
predict
tensile
behavior
with
an
average
error
6.059%.
The
results
demonstrate
that
specific
combinations
parameters
post-treatment
differently
improve
(with
7.31%
ultimate
strength
(UTS),
0.28%
Young's
modulus,
3.68%
elongation)
crystallinity
22.33%)
according
XRD
analysis,
making
it
viable
alternative
virgin
applications
packaging
solutions,
biodegradable
containers,
clamshell
packaging,
protective
inserts.
optimized
exhibited
levels
comparable
those
their
counterparts,
highlighting
potential
reducing
saving
costs.
For
both
as-built
annealed
samples,
optimal
settings
achieving
high
composite
desirability
involved
0.2
mm
thickness,
75%
samples
100%
samples.
provides
comprehensive
framework
optimizing
manufacturing,
contributing
advancement
material
engineering
circular
economy.
Biomimetics,
Год журнала:
2025,
Номер
10(5), С. 261 - 261
Опубликована: Апрель 24, 2025
The
development
of
prosthetic
limbs
has
benefited
individuals
who
suffered
amputations
due
to
accidents
or
medical
conditions.
During
the
conventional
prosthetics,
several
challenges
have
been
observed
regarding
functional
limitations,
restricted
degrees
freedom
compared
an
actual
human
limb,
and
biocompatibility
issues
between
surface
limb
tissue
skin.
These
could
result
in
mobility
impairments
failed
mimicry
stress
distribution,
causing
discomfort,
chronic
pain,
damage
possible
infections.
Especially
cases
where
underlying
conditions
exist,
such
as
diabetes,
trauma,
vascular
disease,
a
adaptation
lead
complete
abandonment
part.
To
address
these
challenges,
insertion
topologically
optimized
parts
with
biomimetic
approach
allowed
optimization
complex
functionality
behavior
natural
body
parts,
allowing
lightweight
efficient
anthropomorphic
structures.
This
results
unified
minimizing
practical
limitations
while
also
adding
aesthetic
that
aids
reducing
any
symptoms
related
social
anxiety
impaired
functioning.
In
this
paper,
novel
designed
foot
Thermoplastic
Polyurethane-based
composite
(TPU-Ground
Tire
Rubber
10
wt.%)
was
studied.
final
designs
contain
advanced
sustainable
polymeric
materials,
gyroid
lattice
geometries,
Finite
Element
Analysis
(FEA)
for
performance
optimization.
Initially,
static
evaluation
conducted
replicate
phenomena
at
standing
process
replicated
above-knee
prosthetic.
Furthermore,
dynamic
testing
assess
mechanical
responses
high-intensity
exercises
(e.g.,
sprinting,
jumping).
response
plantogram-derived
pressure
data
during
phases
(standing,
light
walking)
(sprinting,
jumping)
optimal
geometry
density,
ensuring
maximum
compatibility.
innovative
allows
tailored
replication
motion
patterns,
resulting
improved
patient
outcomes
higher
success
rates.
proposed
design
presented
hysteretic
damping
factor
energy
absorption
efficiency
adequate
load
handling
intense
(0.18
loss
factor,
57%
efficiency)
meaning
it
is
suitable
further
research
upcycling.
REVIEWS ON ADVANCED MATERIALS SCIENCE,
Год журнала:
2025,
Номер
64(1)
Опубликована: Янв. 1, 2025
Abstract
Current
selective
laser
sintering
(SLS)
parts
produced
from
biomass-composites
are
low-quality
due
to
issues
with
unsuitable-parameters.
This
study
investigates
the
influence
of
various
SLS
parameters
on
mechanical
properties
peanut
shell
powder/polyether
sulfone
composites
(PSPC).
The
aim
this
is
improve
PSPC
strength
through
optimization
parameters,
i.e.
,
layer-thickness,
scan-speed,
laser-power,
scan-spacing,
and
preheating-temperature.
examines
how
these
PSPC.
First,
thermophysical-properties
compounds
were
analyzed
determine
their
thermal
behavior
optimal
sintering-temperature.
assessed
using
sensitive
testing
instruments.
Scanning
electron
microscopy
was
used
analyze
formability-microstructure,
particle-distribution,
bonding-strength
specimens
under
parameters.
density
strengths
correlated-directly
laser-power
preheating-temperature,
while
precision
surface-roughness
showed
an
inverse-correlation.
Conversely,
inversely-correlated
scanning-speed,
whereas
displayed
a
direct-correlation
offers
cost-effective,
eco-friendly
parts,
reducing
pollution
peanut-waste
disposal.
Optimizing
better
strengths,
dimension
precision,
surface-roughness,
making
them
ideal
for
construction
furniture-manufacturing.
Therefore,
process,
preheating
at
78°C,
16
W
power,
1.8
m·s
−1
scan
speed,
0.12
mm
spacing,
0.2
layer
thickness,
enhanced
strength,
surface
quality,
dimensional
demonstrating
potential
additive
manufacturing
(AM)
applications.
one
first
impact
properties,
introducing
innovative
material.
