Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Dec. 28, 2024
This
study
investigates
the
production
of
graphene-enhanced
polyethylene
terephthalate
glycol
(G-PETG)
components
using
fused
deposition
modeling
(FDM)
and
evaluates
their
mechanical
properties,
contributing
to
advancement
additive
manufacturing.
Trials
demonstrated
notable
improvements
in
performance,
with
optimal
printing
parameters
identified
Spice
Logic
Analytical
Hierarchy
Process
(AHP).
The
effectiveness
this
methodology
is
further
compared
Fuzzy
Analytic
(FAHP)
combined
Technique
for
Order
Preference
by
Similarity
Ideal
Solution
(TOPSIS).
revealed
significant
enhancements,
ultimate
tensile
strength
(UTS)
reaching
69.1
MPa,
an
average
Young's
modulus
735.6
compressive
(UCS)
85.3
MPa.
These
findings
provide
valuable
insights
into
optimizing
techniques
improving
performance
G-PETG
components,
advancing
material
applications
various
industries.
Frontiers in Bioengineering and Biotechnology,
Journal Year:
2025,
Volume and Issue:
13
Published: March 27, 2025
The
search
for
suitable
manufacturing
methods
and
the
selection
of
biocompatible
material
with
good
mechanical
properties
is
still
a
major
challenge
in
implant
development.
polyethylene
terephthalate
glycol
(PETG)
thermoplastic
extensively
utilized
biomedical
applications,
like
tissue
engineering,
dental,
scaffolds
surgery,
because
its
biocompatibility.
Fused
deposition
modeling
(FDM)
gaining
importance
wide
range
applications
developing
custom
shaped
medical
implants.
This
study
aimed
to
fabricate
cranial
using
optimized
parameters
3D
printed
PETG
properties.
research
investigates
optimization
key
printing
layer
height,
line
width
print
speed
by
utilizing
Box
Behnken
Design
(BBD).
Analysis
suggests
that
influential
FDM
are
height
width,
which
significantly
influence
tensile
compressive
strength.
analysis
variance
(ANOVA)
showed
0.12
mm,
0.77
mm
25.75
mm/s
indicated
increased
value
strength,
i.e.,
51.18
MPa
52.33
MPa,
respectively.
effectiveness
RSM
model
was
confirmed
validation
experiment,
errors
less
than
2%.
Additionally,
this
presents
process
framework
development
customized
implants
computed
tomography
(CT)
scan
data
patient.
tested
under
uniaxial
load
shows
an
average
peak
1088
N.
goal
assist
surgeons
overcoming
clinical
challenges
faced
while
selecting
materials
in-house
production
patient-specific
A
further
evaluation
presented
technology
recommended
potential
use
trials.
Journal of Elastomers & Plastics,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 27, 2025
The
increasing
environmental
challenges
posed
by
plastic
and
rubber
waste
have
necessitated
the
development
of
sustainable
materials
aligned
with
principles
circular
economy.
This
study
explores
fabrication
evaluation
polymer
composites
derived
from
recycled
polyethylene
terephthalate
(PET)
ground
tire
(GTR).
Using
an
entropy-TOPSIS-based
multi-criteria
decision-making
(MCDM)
framework,
optimal
material
compositions
were
identified
to
balance
physical,
mechanical,
thermal
properties.
Scanning
Electron
Microscopy
(SEM),
Energy
Dispersive
Spectroscopy
(EDS),
Fourier
Transform
Infrared
(FTIR)
analyses
provided
insights
into
microstructure,
elemental
composition,
chemical
bonding,
confirming
compatibility
PET
GTR.
Mechanical
characterizations
revealed
that
increased
GTR
ratios
reduce
density
(1.306–1.208
gm/cm
3
)
melting
temperature
(220.25–192.57°C)
while
enhancing
tensile
strength
(52.78–73.58
MPa)
flexural
modulus
(66.23–106.32
MPa).
identifies
70:30
PET-GTR
ratio
as
best
composition
for
lightweight,
durable,
ecofriendly
applications.
These
demonstrate
potential
use
in
industries
such
automotive,
construction,
prosthetics.
By
utilizing
materials,
research
addresses
concerns
promoting
innovative
applications
waste-derived
resources.
framework
provides
a
robust
approach
advancing
selection,
contributing
economy,
supporting
eco-friendly
manufacturing
practices.
