Applied Sciences,
Journal Year:
2024,
Volume and Issue:
15(1), P. 213 - 213
Published: Dec. 30, 2024
Focusing
on
advancements
in
additive
manufacturing,
this
Special
Issue
explores
the
role
of
novel
materials
and
surface
technologies
improving
functionality,
performance,
sustainability.
The
research
papers
highlight
innovative
approaches
to
understanding
overcoming
material
limitations,
particularly
areas
engineering,
process
optimisation,
multi-material
applications.
Key
topics
include
tribological
behaviour,
wear
resistance,
quality
coated
components,
effects
parameters
mechanical
strength
roughness,
advanced
methods
for
characterisation
control.
By
addressing
challenges,
such
as
efficiency,
friction
reduction,
structural
integrity,
researchers
emphasise
crucial
push
boundaries
manufacturing.
Looking
future,
integrated
strategies
that
prioritise
sustainability,
innovation,
application-driven
optimisation
will
be
crucial.
Through
collaboration
technological
advancement,
provides
valuable
insights
contribute
a
more
efficient,
sustainable,
versatile
future
AIP Advances,
Journal Year:
2024,
Volume and Issue:
14(9)
Published: Sept. 1, 2024
This
study
examines
the
effect
of
different
infill
patterns
and
percentages
on
compressive
strength
attributes
carbon
fiber-reinforced
PETG
samples
printed
using
fused
deposition
modeling,
employing
response
surface
methodology.
Carbon
fiber-enhanced
(polyethylene
terephthalate
glycol)
composites
represent
a
cutting-edge
advancement
in
additive
manufacturing,
drawing
significant
interest
due
to
their
impressive
mechanical
attributes.
The
experimentation
involves
modifying
printing
parameters
such
as
pattern
(tri-hexagon,
cubic,
or
line)
density
(40%,
60%,
80%).
These
parameter
values
were
obtained
through
central
composite
experimental
design
utilizing
3D-printed
specimens
is
assessed
following
ASTM
D695
standards.
Research
indicates
that
increasing
results
enhanced
strength.
Specifically,
featuring
an
80%
with
tri-hexagon
demonstrate
notable
39.16
MPa.
By
regression
analysis
optimization
techniques,
predicts
outcomes
accurately.
findings
offer
valuable
insights
into
refining
manufacturing
process
components.
holds
potential
benefits
across
various
engineering
fields,
particularly
automotive
aerospace
industries,
where
durability
are
essential.
Materials,
Journal Year:
2025,
Volume and Issue:
18(6), P. 1203 - 1203
Published: March 7, 2025
The
materials
used
as
filaments
for
additive
techniques
should
exhibit
various
properties
depending
on
the
application
and
requirements.
motivation
this
study
was
need
to
obtain
a
filament
exhibiting
appropriate
aesthetic
(metal-like)
mechanical
properties.
Glycol-modified
poly(ethylene
terephthalate)
copolymer
(PETG)
micrometric
steel
powder
were
composite
preparation.
Subsequently,
obtained
material
3D
printing,
i.e.,
by
fused
deposition
modeling
(FDM)
technique.
physicochemical
of
determined,
such
morphology
(roughness),
moisture
sorption
ability,
thermal
properties,
performance
(tensile
compressive
strength).
Importantly,
metal
filler
did
not
modify
polyester
matrix,
indicating
that
containing
microfiller
could
be
processed
using
same
parameters
neat
PETG.
stability
slightly
enhanced
after
addition
(for
13
wt.%
content,
temperature
75%
weight
loss
466
°C;
comparison,
reference
sample
446
°C).
reinforcing
effect
noted
based
measurements.
particles
acted
stiffening
agent;
highest
maximal
tensile
strength
observed
with
3
content
(ca.
68
MPa).
Further
increasing
load
resulted
in
slight
decrease
value
parameter.
A
different
trend
reported
considering
strength,
parameter
increased
content.
Based
results,
new
PETG
composites
applied
structural
materials.
Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(16), P. 7161 - 7161
Published: Aug. 15, 2024
This
paper
studied
the
tribological
behaviour
of
parts
manufactured
using
fused
filament
fabrication
(FFF)
technology
with
PETG
(polyethylene
terephthalate
glycol)
coated
IGUS
filaments.
The
research
focuses
on
analysing
how
these
multi-material
behave
under
different
loads.
objective
this
study
is
to
evaluate
wear
resistance
and
friction
coefficient
thicknesses
material.
methodology
employs
pin-on-disc
(PoD)
tests
measure
various
load
conditions
coating
thicknesses.
results
indicate
that
increasing
thickness
improves
surface
stability
reduces
roughness,
although
it
does
not
significantly
affect
average
coefficient.
concludes
has
a
moderate
impact
quality
applied
influences
depth
width
groove.
contribution
valuable
for
field
additive
manufacturing
as
provides
better
understanding
optimise
properties
FFF,
which
crucial
industrial
applications
where
are
critical
factors.
practical
application
includes
potential
improvement
components
in
automotive
aerospace
industries.