Polymers,
Journal Year:
2024,
Volume and Issue:
16(18), P. 2660 - 2660
Published: Sept. 21, 2024
Polymer
actuators
are
promising,
as
they
widely
used
in
various
fields,
such
sensors
and
soft
robotics,
for
their
unique
properties,
ability
to
form
high-quality
films,
sensitivity,
flexibility.
In
recent
years,
advances
structural
fabrication
processes
have
significantly
improved
the
reliability
of
polymer
sensing-based
actuators.
attracted
considerable
attention
use
artificial
or
biohybrid
systems,
potential
operate
under
diverse
conditions
with
high
durability.
This
review
briefly
describes
different
types
provides
an
understanding
working
mechanisms.
It
focuses
on
actuation
modes
controlled
by
multiple
stimuli.
Furthermore,
it
discusses
actuators;
process
is
important
consideration
development
sensing
properties
a
wide
range
applications
robotics.
Additionally,
technology
examined,
latest
developments
field
actuators,
polymers
4D
printing,
described.
Advanced Engineering Materials,
Journal Year:
2023,
Volume and Issue:
25(21)
Published: Aug. 29, 2023
Stimuli‐responsive
polymers
(SRPs)
are
special
types
of
soft
materials,
which
have
been
extensively
used
for
developing
flexible
actuators,
robots,
wearable
devices,
sensors,
self‐expanding
structures,
and
biomedical
thanks
to
their
ability
change
shapes
functional
properties
in
response
external
stimuli
including
light,
humidity,
heat,
pH,
electric
field,
solvent,
magnetic
field
or
combinations
two
more
these
stimuli.
In
recent
years,
additive
manufacturing
(AM)
aka
3D
printing
technology
SRPs,
also
known
as
4D
printing,
has
gained
phenomenal
attention
different
engineering
fields,
its
unique
develop
complex,
personalized,
innovative
undergo
twisting,
elongating,
swelling,
rolling,
shrinking,
bending,
spiraling,
other
complex
morphological
transformations.
Herein,
an
effort
made
provide
insightful
information
about
the
AM
techniques,
type
applications
including,
but
not
limited
tissue
engineering,
bionics,
construction,
smart
textiles.
This
article
incorporates
current
challenges
prospects,
hoping
basis
utilization
this
fields.
It
is
expected
that
amalgamation
with
SRPs
would
unparalleled
advantages
arenas.
Giant,
Journal Year:
2023,
Volume and Issue:
17, P. 100209 - 100209
Published: Nov. 15, 2023
Additive
manufacturing
(AM)
aka
three-dimensional
(3D)
printing
has
been
a
well-established
and
unparalleled
technology,
which
is
expanding
the
boundaries
of
materials
science
exhibiting
an
enormous
potential
to
fabricate
intricate
geometries
for
healthcare,
electronics,
construction
sectors.
In
contemporary
era,
combination
AM
technology
stimuli-responsive
hydrogels
(SRHs)
helps
create
dynamic
functional
structures
with
extreme
accuracy,
are
capable
changing
their
shape,
functional,
or
mechanical
properties
in
response
environmental
cues
such
as
humidity,
heat,
light,
pH,
magnetic
field,
electric
etc.
3D
SRHs
permits
creation
on-demand
dynamically
controllable
shapes
excellent
control
over
various
self-repair,
self-assembly,
multi-functionality,
These
accelerate
researchers
think
unthinkable
applications.
Additively
manufactured
objects
have
shown
applications
like
tissue
engineering,
drug
delivery,
soft
robots,
sensors,
other
biomedical
devices.
The
current
review
provides
recent
progress
SRHs,
more
focus
on
techniques,
stimuli
mechanisms,
shape
morphing
behaviors,
Finally,
trends
future
roadmap
additively
smart
different
also
presented,
will
be
helpful
research.
This
holds
great
promise
providing
fundamental
knowledge
about
diverse
European Polymer Journal,
Journal Year:
2024,
Volume and Issue:
205, P. 112718 - 112718
Published: Jan. 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
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(34)
Published: March 5, 2024
4D
printing
has
attracted
tremendous
worldwide
attention
during
the
past
decade.
This
technology
enables
shape,
property,
or
functionality
of
printed
structures
to
change
with
time
in
response
diverse
external
stimuli,
making
original
static
alive.
The
revolutionary
4D-printing
offers
remarkable
benefits
controlling
geometric
and
functional
reconfiguration,
thereby
showcasing
immense
potential
across
fields,
including
biomedical
engineering,
electronics,
robotics,
photonics.
Here,
a
comprehensive
review
latest
achievements
using
various
types
materials
different
additive
manufacturing
techniques
is
presented.
state-of-the-art
strategies
implemented
harnessing
4D-printed
are
highlighted,
which
involve
design,
functionalities,
applications.
machine
learning
approach
explored
for
also
discussed.
Finally,
perspectives
on
current
challenges
future
trends
toward
further
development
summarized.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Jan. 26, 2024
Abstract
4D
printing
technology
combines
3D
and
stimulus-responsive
materials,
enabling
construction
of
complex
objects
efficiently.
However,
unlike
smart
soft
ceramics
is
a
great
challenge
due
to
the
extremely
weak
deformability
ceramics.
Here,
we
report
feasible
efficient
manufacturing
design
approach
realize
direct
Photocurable
ceramic
elastomer
slurry
hydrogel
precursor
are
developed
for
fabrication
hydrogel-ceramic
laminates
via
multimaterial
digital
light
processing
printing.
Flat
patterned
evolve
into
structures
driven
by
dehydration,
then
turn
pure
after
sintering.
Considering
dehydration-induced
deformation
sintering-induced
shape
retraction,
develop
theoretical
model
calculate
curvatures
bent
laminate
sintered
part.
Then,
build
flow
various
objects.
This
opens
new
avenue
development
technology.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: April 25, 2024
Abstract
Soft
actuators
produce
the
mechanical
force
needed
for
functional
movements
of
soft
robots,
but
they
suffer
from
critical
drawbacks
since
previously
reported
often
rely
on
electrical
wires
or
pneumatic
tubes
power
supply,
which
would
limit
potential
usage
robots
in
various
practical
applications.
In
this
article,
we
review
new
types
untethered
that
represent
breakthroughs
and
discuss
future
perspective
actuators.
We
materials
innovative
strategies
gave
rise
to
deliver
our
challenges
opportunities
future-generation
International Journal of Precision Engineering and Manufacturing-Green Technology,
Journal Year:
2023,
Volume and Issue:
10(6), P. 1661 - 1710
Published: July 13, 2023
Abstract
Soft
actuators
have
brought
significant
advancements
to
robotics,
allowing
robots
perform
a
diverse
range
of
tasks
across
various
domains.
However,
the
increased
use
soft
has
resulted
in
negative
environmental
impacts,
including
material
consumption,
waste
generation,
and
energy
consumption.
To
address
these
challenges,
research
is
increasingly
focused
on
developing
sustainable
(SSAs)
that
can
provide
high
performance
while
minimizing
harm.
This
review
article
aims
explore
development
manufacturing
SSAs
their
potential
reduce
consumption
promoting
sustainability.
The
examines
categories
actuators,
such
as
multi-responsive
ones,
shape-locking
variants,
biological
water-responsive
models,
well
implementation
through
multi-material
printing
and,
3D
4D
techniques.
also
highlights
applications
SSAs,
manufacturing,
human–machine
interaction,
locomotion,
manipulation.
Furthermore,
explores
methods
for
reducing
using
recycled
materials
eco-friendly
processes
circular
economy.
Finally,
study
provides
comprehensive
analysis
steer
evolution
robotics
towards
more
future
