MRS Communications,
Год журнала:
2023,
Номер
13(3), С. 357 - 377
Опубликована: Апрель 7, 2023
Abstract
Photopolymerizable
resins
are
increasingly
used
to
generate
complex
3D
printed
parts
through
stereo
lithography,
digital
light
processing
(DLP)
and
liquid
crystal
display
(LCD)
printing.
Many
challenges
relating
the
resin
chemistry
printing
parameters
still
exist
must
be
addressed
in
order
entirely
control
properties
of
after
This
work
reviews
current
knowledge
describes
potential
DLP/LCD
methods
for
acrylate
resins,
as
well
steps
necessary
achieve
a
better
over
mechanical
materials.
Graphical
abstract
Polymers,
Год журнала:
2022,
Номер
14(12), С. 2449 - 2449
Опубликована: Июнь 16, 2022
Additive
manufacturing
or
3D
printing
of
materials
is
a
prominent
process
technology
which
involves
the
fabrication
layer-by-layer
point-by-point
in
subsequent
manner.
With
recent
advancements
additive
manufacturing,
has
excited
great
potential
for
extension
simple
designs
to
complex
multi-material
geometries.
Vat
photopolymerization
subdivision
possesses
many
attractive
features,
including
excellent
resolution,
high
dimensional
accuracy,
low-cost
and
ability
spatially
control
material
properties.
However,
currently
limited
by
design
strategies,
chemistries,
equipment
limitations.
This
review
aims
provide
readers
with
comprehensive
comparison
different
technologies
along
detailed
knowledge
on
advances
vat
technologies.
Furthermore,
we
describe
popular
chemistries
both
from
past
more
recently,
future
prospects
address
material-related
limitations
photopolymerization.
Examples
impressive
capabilities
inspired
nature
are
applicable
today
multiple
areas
life
briefly
presented
applications
section.
Finally,
our
point
view
printed
structures
as
well
way
forward
towards
promising
further
Advanced Materials,
Год журнала:
2022,
Номер
35(23)
Опубликована: Дек. 3, 2022
Liquid
crystal
elastomers
(LCEs)
are
renowned
for
their
large,
reversible,
and
anisotropic
shape
change
in
response
to
various
external
stimuli
due
lightly
cross-linked
polymer
networks
with
an
oriented
mesogen
direction,
thus
showing
great
potential
applications
robotics,
bio-medics,
electronics,
optics,
energy.
To
fully
take
advantage
of
the
stimuli-responsive
behaviors
LCEs,
it
is
preferable
achieve
a
locally
controlled
alignment
into
monodomain
orientations.
In
recent
years,
application
4D
printing
LCEs
opens
new
doors
simultaneously
programming
3D
geometry,
offering
more
opportunities
higher
feasibility
fabrication
4D-printed
LCE
objects
desirable
properties.
Here,
state-of-the-art
advances
reviewed,
emphasis
on
both
mechanisms
applications.
First,
fundamental
properties
working
principles
representative
techniques
briefly
introduced.
Then,
by
advantages
over
conventional
manufacturing
methods
demonstrated.
Finally,
perspectives
current
challenges
development
trends
toward
discussed,
which
may
shed
light
future
research
directions
this
field.
International Journal of Extreme Manufacturing,
Год журнала:
2023,
Номер
5(3), С. 032007 - 032007
Опубликована: Май 24, 2023
Abstract
Piezoelectricity
in
native
bones
has
been
well
recognized
as
the
key
factor
bone
regeneration.
Thus,
bio-piezoelectric
materials
have
gained
substantial
attention
repairing
damaged
by
mimicking
tissue’s
electrical
microenvironment
(EM).
However,
traditional
manufacturing
strategies
still
encounter
limitations
creating
personalized
scaffolds,
hindering
their
clinical
applications.
Three-dimensional
(3D)/four-dimensional
(4D)
printing
technology
based
on
principle
of
layer-by-layer
forming
and
stacking
discrete
demonstrated
outstanding
advantages
fabricating
scaffolds
a
more
complex-shaped
structure.
Notably,
4D
functionality-shifting
can
provide
time-dependent
programmable
tissue
EM
response
to
external
stimuli
for
In
this
review,
we
first
summarize
physicochemical
properties
commonly
used
(including
polymers,
ceramics,
composites)
representative
biological
findings
Then,
discuss
latest
research
advances
3D
terms
feedstock
selection,
process,
induction
strategies,
potential
Besides,
some
related
challenges
such
scalability,
resolution,
stress-to-polarization
conversion
efficiency,
non-invasive
ability
after
implantation
put
forward.
Finally,
highlight
shape/property/functionality-shifting
smart
engineering
(BTE).
Taken
together,
review
emphasizes
appealing
utility
3D/4D
printed
piezoelectric
next-generation
BTE
implants.
European Polymer Journal,
Год журнала:
2024,
Номер
205, С. 112718 - 112718
Опубликована: Янв. 2, 2024
In
the
contemporary
era,
novel
manufacturing
technologies
like
additive
(AM)
have
revolutionized
different
engineering
sectors
including
biomedical,
aerospace,
electronics,
etc.
Four-dimensional
(4D)
printing
aka
AM
of
smart
materials
is
gaining
popularity
among
scientific
community,
which
has
excellent
ability
to
make
soft
structures
such
as
robots,
actuators,
and
grippers.
These
are
developed
by
applying
various
stimuli
pH,
temperature,
magnetic
field,
many
combinations
onto
materials.
Stimuli
in
3D
permit
shape-morphing
behaviors
bending,
twisting,
folding,
swelling,
rolling,
shrinking,
origami,
or
locomotion.
A
wide
variety
can
be
fabricated
through
incorporation
hard
particles
into
resulting
magneto-active
(MASMs).
With
this
integration,
magneto-thermal
coupling
actuation
allows
diverse
magneto-deformations,
facilitating
development
personalized
devices
that
capable
enhanced
deformation.
review,
guidelines
provided
on
for
MASMs
polymers
(MAPs),
composites,
hydrogels
(MAHs)
booming
flexible
wearable
biomimetic
devices.
Moreover,
3D-printed
robotics
an
outstanding
capacity
adapt
complicated
situations
advanced
actuating
applications.
Finally,
some
current
challenges
emerging
areas
exciting
technology
been
proposed.
Lastly,
it
anticipated
technological
advancements
developing
intelligent
will
a
significant
impact
design
real-world
Progress in Materials Science,
Год журнала:
2023,
Номер
138, С. 101129 - 101129
Опубликована: Апрель 23, 2023
Additive
manufacturing
(AM)
processes
have
proven
to
be
a
perfect
match
for
topology
optimization
(TO),
as
they
are
able
realize
sophisticated
geometries
in
unique
layer-by-layer
manner.
From
viewpoint,
however,
there
is
significant
likelihood
of
process-related
defects
within
complex
geometrical
features
designed
by
TO.
This
because
TO
seldomly
accounts
process
constraints
and
conditions
typically
perceived
purely
design
tool.
On
the
other
hand,
advanced
AM
simulations
shown
their
potential
reliable
tools
capable
predicting
various
hence
serving
second-to-none
material
tool
achieving
targeted
properties.
Thus
far,
these
two
geometry
been
traditionally
viewed
entirely
separate
paradigms,
whereas
one
must
conceive
them
holistic
computational
instead.
More
specifically,
models
provide
input
physics-based
TO,
where
consequently,
not
only
component
will
function
optimally,
but
also
near-to-minimum
defects.
In
this
regard,
we
aim
at
giving
thorough
overview
concepts
applied
AM.
The
paper
arranged
following
way:
first,
literature
on
performance
reviewed
then
most
recent
developments
techniques
related
covered.
Process
play
pivotal
role
latter
type
serve
additional
top
primary
end-user
objectives.
As
natural
consequence
this,
comprehensive
detailed
review
non-metallic
metallic
additive
performed,
divided
into
micro-scale
deposition-scale
simulations.
Material
multi-scaling
which
central
process-structure-property
relationships,
next
followed
subsection
reduced-order
versions
incorporable
due
lower
requirements.
Finally
concluded
suggestions
further
research
paths
discussed.
Advanced Materials,
Год журнала:
2023,
Номер
36(34)
Опубликована: Сен. 22, 2023
Additive
manufacturing
(AM),
which
is
based
on
the
principle
of
layer-by-layer
shaping
and
stacking
discrete
materials,
has
shown
significant
benefits
in
fabrication
complicated
implants
for
tissue
engineering
(TE).
However,
many
native
tissues
exhibit
anisotropic
heterogenous
constructs
with
diverse
components
functions.
Consequently,
replication
biomimetic
using
conventional
AM
processes
a
single
material
challenging.
Multimaterial
3D
4D
bioprinting
(with
time
as
fourth
dimension)
emerged
promising
solution
constructing
multifunctional
that
can
mimic
host
microenvironment
better
than
single-material
alternatives.
Notably,
4D-printed
multimaterial
architectures
provide
time-dependent
programmable
dynamic
promote
cell
activity
regeneration
response
to
external
stimuli.
This
paper
first
presents
typical
design
strategies
TE
applications.
Subsequently,
latest
are
discussed,
along
their
advantages
challenges.
In
particular,
potential
smart
highlighted.
Furthermore,
this
review
provides
insights
into
how
facilitate
realization
next-generation
