Additive manufacturing,
Год журнала:
2024,
Номер
86, С. 104189 - 104189
Опубликована: Апрель 1, 2024
Vat
photopolymerization
(VP)
3D
printing,
a
subset
of
additive
manufacturing,
is
renowned
for
its
capability
to
create
intricate
structures
with
high
precision,
particularly
useful
in
optical
applications.
The
process
involves
using
photosensitive
resins
cured
layer
by
through
various
light-curing
technologies
like
Stereolithography
(SLA),
Digital
Light
Processing
(DLP),
Two-Photon
Polymerization
(TPP),
Continuous
Liquid
Interface
Production
(CLIP),
and
Crystal
Display
(LCD).
Each
technique
offers
unique
advantages
terms
speed,
resolution,
material
compatibility,
TPP
providing
the
highest
resolution.
This
review
explores
diverse
applications
VP
3D-printed
components,
including
lenses,
waveguides,
gratings,
resonators,
metamaterials,
sensors,
actuators,
demonstrating
their
significant
role
advancing
technology
innovation.
Challenges
selection,
post-processing
requirements,
size
limitations,
support
are
discussed,
alongside
potential
future
research
directions.
These
include
developing
advanced
photopolymer
materials
enhanced
properties,
hardware
improvements
higher
resolution
multi-material
quality
assurance
measures
ensuring
precision.
Despite
some
printing
presents
promising
avenue
rapid
prototyping
production
complex,
multifunctional
devices,
marking
stride
manufacturing
technological
development.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Апрель 10, 2024
Polylactic
acid
(PLA)
is
a
bioresorbable
and
biodegradable
polymer
extensively
used
in
various
biomedical
engineering
applications.
In
this
study,
we
investigated
the
mass
loss
thermal
properties
of
PLA-multi-walled
carbon
nanotube
(MWCNT)
composites
under
simulated
physiological
conditions.
The
were
prepared
by
melting
PLA
with
0.1,
0.5,
1.0,
5.0
wt%
MWCNTs
using
an
ultrasonic
agitator,
FTIR
analysis
confirmed
composite
formation.
Subsequently,
subjected
to
hydrolysis
conditions
(pH
7.4
37
°C)
for
up
60
days.
results
revealed
that
decreased
increasing
MWCNT
content,
suggesting
presence
decelerated
process.
On
day
58,
pure
was
12.5%,
decreasing
8.34%
0.1%
MWCNT,
5.94%
0.5%
4.59%
1%
3.54%
5.0%
MWCNT.
This
study
offers
valuable
insights
into
behavior
PLA-MWCNT
physiologically
conditions,
facilitating
development
new
enhanced
stability
degradation
resistance
Polymers,
Год журнала:
2025,
Номер
17(3), С. 351 - 351
Опубликована: Янв. 28, 2025
Direct
ink
writing
(DIW)
is
an
economical,
straightforward,
and
relatively
energy-efficient
3D
printing
technique
that
has
been
used
in
various
domains.
However,
the
utilization
of
rubber
latex
for
DIW
remains
limited
due
to
its
high
fluidity
inadequate
support,
which
makes
it
challenging
meet
required
rheological
characteristics
DIW.
In
this
study,
a
concentrated
pre-vulcanized
natural
(CPNRL)
with
solid
content
73%
without
additives
developed
printing.
The
CPNRL
using
superabsorbent
polymer
(SAP)
beads,
demonstrates
good
colloidal
stability,
favorable
properties,
superior
printability.
impact
angles
on
mechanical
properties
specimens
based
CPNRL-73
explored
detail,
wherein
tensile
strength
specimen
printed
at
90°
angle
reaches
impressive
26
MPa
strain
approximately
800%,
surpasses
majority
3D-printed
specimens.
Additionally,
can
be
print
wide
range
intricate
shapes,
demonstrating
advantages
excellent
formability.
preparation
printable
absorption
method
will
expand
application
elastomers
fields
such
as
customized
flexible
sensing
personalized
products.
Journal of Composites Science,
Год журнала:
2025,
Номер
9(5), С. 205 - 205
Опубликована: Апрель 24, 2025
This
research
successfully
enhances
the
mechanical
properties
of
ready-market
resin
product
additively
printed
by
using
stereolithography
(SLA)
reinforced
with
glass
powder.
Using
Esun
Standard
Resin
(Shenzhen,
China),
various
proportions
powder
(0%,
1%,
2%,
3%,
4%,
5%,
10%,
15%,
and
25%)
were
mixed
to
create
test
specimens.
The
results
indicated
that
incorporation
markedly
enhanced
tensile
strength
hardness.
Specimens
containing
25%
exhibited
a
37.01
MPa
hardness
84.5
HV,
in
contrast
24.03
73.7
HV
for
those
without
density
rose
addition
powder,
attaining
1.338
g/cm3
at
concentration.
Nevertheless,
heightened
brittleness
reduced
strain
values
signified
compromise
between
ductility.
Compression
testing
revealed
increased
maximum
stress
but
more
higher
content,
while
flexural
demonstrated
diminished
attributed
inadequate
filler
adherence
dispersion.
study
highlights
SLA
resins
can
improve
reducing
flexibility
Enhancing
concentration
dispersion
is
crucial
balance
properties,
which
3D
printing
dependable,
high-performance
engineering
applications.
