Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 12, 2025
Abstract
Biological
structures
provide
inspiration
for
developing
advanced
materials
from
sustainable
resources,
enabling
passive
structural
morphing.
Despite
an
increasing
interest
parsimony‐oriented
innovation,
shape‐changing
based
on
renewable
resources
remain
underexplored.
In
this
work,
the
architecture
of
a
single
plant
fiber
cell
wall
(S
2
,
instance)
is
simplified
to
design
novel
concepts
4D
printed
tubular
moisture‐driven
actuators,
using
hygromorphic
properties
continuous
flax
(cFF)
reinforced
materials.
This
new
class
bioinspired
active
referred
as
metabiocomposites.
Before
design,
are
produced
with
customized
rotary
3D
printer,
qualified,
and
tested
sorption
behavior.
A
parametric
experimental,
analytical,
FEA
analysis
highlights
programmability
material
through
effects
mesostructural
parameters
(printing
inclination
α)
geometric
factors
(operational
length
L,
inner
diameter
D,
thickness
h)
actuation
authority.
The
overall
performance
trade‐off
between
rotation
torque,
energy
density
comparable
that
source
inspiration:
natural
fibers
wall.
potential
applications
illustrated
proof
concept
meteosensitive
rotative
structure
transmits
motion
external
device,
such
solar
tracker.
Advanced Engineering Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Март 27, 2024
Recently,
auxetic
metastructures
have
gained
considerable
attention
in
various
fields
of
study
due
to
their
unique
characteristics.
This
aims
design
and
fabricate
bioinspired
structures
comprehensively
investigate
the
static
dynamic
mechanical
properties
those
architectures
under
tensile
compressive
loads.
A
comparative
analysis
is
carried
out
with
a
conventional
structure,
considering
tests,
as
well
tension–tension
compression–compression
assessments.
Experimental
measurements
finite‐element
are
utilized
evaluate
parameters
scaffolds,
such
Young's
modulus,
yield
strength,
energy
absorption,
stress
distribution,
Poisson's
ratio,
fatigue
properties.
The
findings
reveal
that
can
appropriately
mimic
physical
attributes
stress–strain
characteristics
human
tissue,
Achilles
tendon.
Furthermore,
these
significantly
enhance
cycles
failure
compared
structures,
accompanied
by
notable
improvements
absorption.
Among
star
configuration
exhibits
remarkable
tolerance
loads,
while
sharp
sinus
structure
demonstrates
highest
indicate
potential
for
biomedical
applications.
Applied Sciences,
Год журнала:
2024,
Номер
14(4), С. 1346 - 1346
Опубликована: Фев. 6, 2024
Additive
manufacturing
(AM),
commonly
named
3D
printing,
is
a
promising
technology
for
many
applications.
It
the
most
viable
option
widespread
use
in
automated
construction
processes,
especially
harsh
environments
such
as
underwater.
Some
contemporary
applications
of
this
have
been
tested
underwater
environments,
but
there
are
still
number
problems
to
be
solved.
This
study
focuses
on
current
development
printing
applications,
including
required
improvements
itself,
well
new
materials.
Information
about
involving
part
fabrication
via
AM
also
provided.
The
article
based
literature
review
that
supplemented
by
case
studies
practical
main
findings
show
usage
additive
can
bring
advantages—for
instance,
increasing
work
safety,
limiting
environmental
burden,
and
high
efficiency.
Currently,
only
few
prototype
developed.
However,
tool
develop
new,
effective
larger
scale.
materials
used,
require
optimization.
Abstract
Soft
actuators
have
assumed
vital
roles
in
a
diverse
number
of
research
and
application
fields,
driving
innovation
transformative
advancements.
Using
3D
molding
smart
materials
combining
these
through
structural
design
strategies,
single
soft
actuator
can
achieve
multiple
functions.
However,
it
is
still
challenging
to
realize
that
possess
high
environmental
adaptability
while
capable
different
tasks.
Here,
the
response
threshold
modulated
by
precisely
tuning
ratio
stimulus‐responsive
groups
hydrogels.
By
heterogeneous
bilayer
membrane
structure
situ
multimaterial
printing,
obtained
deformed
changes
surrounding
medium.
The
medium
suitable
for
both
biotic
abiotic
environments,
rate
fast.
changing
medium,
precise
capture,
manipulation,
release
micron‐sized
particles
diameters
are
realized.
In
addition,
static
capture
red
blood
cell
realized
using
biologically
responsive
changes.
Finally,
experimental
results
well
predicted
finite
element
analysis.
It
believed
with
further
optimization
size
autonomous
navigation
platform,
proposed
microactuator
has
significant
potential
function
as
an
easy‐to‐manipulate
multifunctional
robot.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(27), С. 16569 - 16582
Опубликована: Янв. 1, 2024
Herein
we
introduce
a
plant
oil-based
elastomer
system
for
3D-printable
soft
robotics,
offering
high
flexibility
and
resolution.
Systems
with
varied
mechanical
properties
in
printed
parts
enable
fast,
delicate
movements
the
shape
memory
effect.
