Processes,
Journal Year:
2023,
Volume and Issue:
11(2), P. 395 - 395
Published: Jan. 28, 2023
At
present,
3D
printing
is
experiencing
a
great
boom.
The
demand
for
new
materials
also
related
to
its
expansion.
This
paper
deals
with
manufacturing
innovative
polymer
composite
filaments
suitable
the
Fused
Filament
Fabrication
method
in
printing.
As
filler,
common
and
uncostly
glass
beads
were
used
mixed
biocompatible
biodegradable
poly
(ε-caprolactone),
as
matrix.
material
was
characterized
via
several
physical-chemical
methods.
Youngs
modulus
increasing
by
about
30%
20%
loading
of
beads,
simultaneously,
brittleness
elongations
decreased.
do
not
affect
shore
hardness
filaments.
rheological
measurement
confirmed
stability
range
temperatures
75–120
°C.
presented
work
aimed
prepare
lightweight
biocompatible,
cheap
appropriate
mechanical
properties,
lower
temperature,
good
processing.
We
can
assess
that
goal
fully
met,
these
could
be
wide
applications.
Polymers,
Journal Year:
2024,
Volume and Issue:
16(6), P. 831 - 831
Published: March 18, 2024
Fused
Deposition
Modeling
(FDM)
is
an
additive
manufacturing
technology
that
has
emerged
as
a
promising
technique
for
fabricating
3D
printed
polymers.
It
gained
attention
recently
due
to
its
ease
of
use,
efficiency,
low
cost,
and
safety.
However,
3D-printed
FDM
components
lack
sufficient
strength
compared
those
made
using
conventional
methods.
This
can
be
mainly
attributed
high
porosity
sinterability
layers
then
the
characteristics
polymer
used
in
process
or
itself.
Regarding
characteristics,
there
are
two
main
types
reinforcing
fibers:
discontinuous
(short)
continuous.
Continuous-fiber
reinforced
composites
becoming
popular
various
industries
their
excellent
mechanical
properties.
Since
continuous
fibers
have
more
positive
effect
on
increasing
parts,
this
article
focuses
primarily
long
fibers.
In
addition
different
mechanisms
been
developed
introduced
address
issue
insufficient
parts.
comprehensively
explains
mechanisms:
in-situ
fusion
ex-situ
prepreg.
also
provides
relevant
examples
these
elements.
Additionally,
some
other
less
frequently
utilized
discussed.
Each
mechanism
own
advantages
disadvantages,
indicating
further
development
modification
needed
increase
parts
comparable
produced
traditional
Polymers,
Journal Year:
2025,
Volume and Issue:
17(2), P. 191 - 191
Published: Jan. 14, 2025
This
review
explores
the
impact
of
various
additives
on
mechanical
properties
polylactic
acid
(PLA)
filaments
used
in
Fused
Deposition
Modeling
(FDM)
3D
printing.
While
PLA
is
favored
for
its
biodegradability
and
ease
use,
inherent
limitations
strength
heat
resistance
necessitate
enhancements
through
additives.
The
natural
synthetic
fibers,
inorganic
particles,
nanomaterials
properties,
printability,
overall
functionality
composites
was
examined,
indicating
that
fiber
reinforcements,
such
as
carbon
glass
significantly
enhance
tensile
stiffness,
while
fibers
contribute
to
sustainability
but
may
compromise
stability.
Additionally,
inclusion
particulate
fillers
like
calcium
carbonate
improves
dimensional
stability
although
larger
particles
can
lead
agglomeration
issues.
study
highlights
potential
improved
performance
specific
applications
acknowledging
need
further
investigation
into
optimal
formulations
processing
conditions.
Macromolecular Rapid Communications,
Journal Year:
2024,
Volume and Issue:
45(17)
Published: May 31, 2024
Abstract
This
review
aims
to
present
the
different
approaches
lessen
environmental
impact
of
extrusion‐based
additive
manufacturing
(MEX)
process
thermoplastic‐based
resins
and
protect
ecosystem.
The
benefits
drawbacks
each
alternative,
including
use
biomaterials
or
recycled
materials
as
feedstock,
energy
efficiency,
polluting
emissions
reduction,
have
been
examined.
First,
technological
option
using
a
pellet‐fed
printer
was
compared
filament‐fed
printer.
Then,
common
biopolymers
utilized
in
MEX
applications
are
discussed,
along
with
methods
for
improving
mechanical
properties
associated
printed
products.
introduction
natural
fillers
thermoplastic
biocomposite
filaments
proposed
improve
specific
performance
items,
highlighting
numerous
challenges
related
their
extrusion.
Various
polymers
derived
from
recycling
presented
feeding
raw
printers
reduce
waste
accumulation,
showing
inferior
qualities
resulting
goods
when
products
made
virgin
materials.
Finally,
consumption
released
into
atmosphere
during
printing
potential
both
aspects
be
controlled
through
material
selection
operating
conditions.
ChemTexts,
Journal Year:
2023,
Volume and Issue:
9(1)
Published: Jan. 21, 2023
Abstract
In
the
last
few
years,
3D
printing
has
evolved
from
its
original
niche
applications,
such
as
rapid
prototyping
and
hobbyists,
towards
many
applications
in
industry,
research
everyday
life.
This
involved
an
evolution
terms
of
equipment,
software
and,
most
all,
materials.
Among
different
available
technologies,
light
activated
ones
need
particular
attention
a
chemical
point
view,
since
those
are
based
on
photocurable
formulations
situ
solidification
via
photopolymerization.
this
article,
aspects
beyond
preparation
formulation
for
light-induced
analyzed
explained,
aiming
at
giving
more
tools
development
new
materials
that
can
be
used
fabrication
innovative
printable
devices.
Graphical
abstract
Journal of Materials Science,
Journal Year:
2023,
Volume and Issue:
58(6), P. 2740 - 2763
Published: Jan. 23, 2023
Abstract
In
this
work,
the
effect
of
two
different
types
bioactive
coatings
on
properties
3D
printed
poly(lactic
acid)/montmorillonite
(PLA/MMT)
nanocomposite
scaffolds
was
examined.
To
improve
their
suitability
for
bone
tissue
engineering
applications,
PLA
were
coated
with
(i)
ordered
mesoporous
Strontium
bioglass
(SrBG)
and
(ii)
SrBG
nanohydroxyapatite
(nHA)
using
a
simple
dip
coating
procedure.
The
morphology,
chemical
structure,
wettability
nanomechanical
hydrophilicity
increased
after
even
more
SrBG/nHA
coating.
Moreover,
in
case
PLA/MMT/SrBG/nHA
scaffolds,
elastic
modulus
by
~
80%
hardness
from
156.9
±
6.4
to
293.6
11.3
MPa
comparison
PLA.
Finally,
vitro
biocompatibility
osteogenic
potential
evaluated
marrow-derived
stem
cells.
process
found
be
fast,
economical
effective
way
biomineralization
promote
differentiation
cells
toward
osteoblasts,
neat
PLA/MMT
scaffold.
Graphical
abstract
Polymer Bulletin,
Journal Year:
2024,
Volume and Issue:
81(10), P. 8595 - 8605
Published: Feb. 3, 2024
Abstract
Bone
fracture
healing
is
a
challenging
process,
due
to
insufficient
and
slow
tissue
repair.
Sufferers
from
bone
fractures
struggle
with
one-third
of
nonunion,
display
graft
rejection,
high-costed
implantation,
or
chronic
pain.
Novel
advances
in
engineering
presented
promising
options
for
this
strain.
Biomaterials
repair
allow
accelerated
regeneration,
osteoblastic
cell
activation,
enhanced
remodeling.
There
wide
range
biomaterials
that
are
biocompatible,
bioresorbable,
biodegradable
used
promoting
osteoconductive
osteoinductive
properties.
The
main
aim
generate
rapid
optimal
functional
regeneration
through
combination
biomaterials,
growth
factors,
cells,
various
agents.
Recently
has
been
attracted
the
use
bioactive
glass
scaffolds
incorporated
polymers
patient-specific
fabrication
material
by
3D
bioprinting.
future
outcomes
were
reported
several
research.
present
review
provides
an
outlook
recent
most
common
suggesting
practices
should
have
proceeded
clinical
application.
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(9), P. 761 - 761
Published: April 26, 2024
In
this
study,
poly
(ethylene
terephthalate)
(PETG)
was
combined
with
Antimony-doped
Tin
Oxide
(ATO)
to
create
five
different
composites
(2.0-10.0
wt.%
ATO).
The
PETG/ATO
filaments
were
extruded
and
supplied
a
material
extrusion
(MEX)
3D
printer
fabricate
the
specimens
following
international
standards.
Various
tests
conducted
on
thermal,
rheological,
mechanical,
morphological
properties.
mechanical
performance
of
prepared
nanocomposites
evaluated
using
flexural,
tensile,
microhardness,
Charpy
impact
tests.
dielectric
electrical
properties
over
broad
frequency
range.
dimensional
accuracy
porosity
printed
structure
assessed
micro-computed
tomography.
Other
investigations
include
scanning
electron
microscopy
energy-dispersive
X-ray
spectroscopy,
which
performed
investigate
structures
morphologies
samples.
PETG/6.0
ATO
composite
presented
highest
(21%
increase
pure
polymer
in
tensile
strength).
results
show
potential
such
when
enhanced
is
required
MEX
printing
applications,
PETG
most
commonly
used
polymer.
