Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 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.
Macromolecular Materials and Engineering,
Journal Year:
2024,
Volume and Issue:
309(6)
Published: March 13, 2024
Abstract
In
this
study,
Acrylonitrile
butadiene
styrene
(ABS)
with
three
different
ratios
of
30%,
50%,
and
70%
is
used
to
enhance
the
shape
memory
mechanical
properties
Polyethylene
terephthalate
glycol
(PETG).
Additionally,
morphology,
printability,
dynamic
thermomechanical
analysis
are
also
examined.
The
thermal
test
results
show
that
PETG‐ABS
compounds
have
two
transition
temperatures
in
range
80
110
°C,
which
related
components.
By
changing
weight
percentage
PETG
from
30
70%,
morphologies
matrix‐droplet,
sea‐island,
combination
co‐continuous
matrix‐droplet
observed.
an
increase
strength
ABS,
can
be
justified
due
higher
ABS
compared
PETG.
highest
tensile
32.48
MPa
15.16%
elongation
obtained
for
PETG‐ABS(30‐70)
PETG‐ABS(70‐30),
respectively.
Due
better
performance
PETG,
PETG‐ABS(50‐50)
PETG‐ABS(70‐30)
complete
recovery,
recovery
rate
increased.
This
diversity
properties,
effect
one
goals
research
well
fulfilled.
Cyborg and Bionic Systems,
Journal Year:
2024,
Volume and Issue:
5
Published: Jan. 1, 2024
Soft
robotics
has
received
substantial
attention
due
to
its
remarkable
deformability,
making
it
well-suited
for
a
wide
range
of
applications
in
complex
environments,
such
as
medicine,
rescue
operations,
and
exploration.
Within
this
domain,
the
interaction
actuation
sensing
is
utmost
importance
controlling
movements
functions
soft
robots.
Nonetheless,
current
research
predominantly
focuses
on
isolated
capabilities,
often
neglecting
critical
integration
these
2
domains
achieve
intelligent
functionality.
In
review,
we
present
comprehensive
survey
fundamental
strategies
multimodal
while
also
delving
into
advancements
proprioceptive
haptic
their
fusion.
We
emphasize
integrating
robotics,
presenting
3
methodologies,
namely,
sensor
surface
integration,
internal
closed-loop
system
based
feedback.
Furthermore,
highlight
challenges
field
suggest
compelling
directions
future
research.
Through
synthesis,
aim
stimulate
further
curiosity
among
researchers
contribute
development
genuinely
Smart Materials and Structures,
Journal Year:
2024,
Volume and Issue:
33(11), P. 113501 - 113501
Published: June 26, 2024
Abstract
Four-dimensional
(4D)
printing
is
an
advanced
manufacturing
technology
that
has
rapidly
emerged
as
a
transformative
tool
with
the
capacity
to
reshape
various
research
domains
and
industries.
Distinguished
by
its
integration
of
time
dimension,
4D
allows
objects
dynamically
respond
external
stimuli,
setting
it
apart
from
conventional
3D
printing.
This
roadmap
been
devised,
contributions
44
active
researchers
in
this
field
32
affiliations
world-wide,
navigate
swiftly
evolving
landscape
printing,
consolidating
recent
advancements
making
them
accessible
experts
across
diverse
fields,
ranging
biomedicine
aerospace,
textiles
electronics.
The
roadmap’s
goal
empower
both
enthusiasts,
facilitating
exploitation
printing’s
potential
create
intelligent,
adaptive
are
not
only
feasible
but
readily
attainable.
By
addressing
current
future
challenges
proposing
science
technology,
sets
stage
for
revolutionary
progress
numerous
industries,
positioning
future.
European Polymer Journal,
Journal Year:
2024,
Volume and Issue:
210, P. 112988 - 112988
Published: March 27, 2024
This
study
demonstrates
the
use
of
fused
filament
fabrication
(FFF)
4D
printing
(4DP)
to
print
programmable
continuous
fibre-reinforced
composite
(CFRC)
structures
with
exceptional
strength
and
eco-friendly
features.
research
focuses
on
bio-shape
memory
polymer
composites
(SMPCs)
employs
experiments
fabricate
lightweight
CFRC
parts
using
FFF
technology.
Different
types
fibres,
including
carbon
fibre
(CF),
aramid
(AF),
fibreglass
(FG),
are
incorporated
into
a
biopolymer
matrix
made
biodegradable
polylactic
acid
(PLA).
The
evaluates
microstructure,
mechanical
properties,
shape
properties
SMPCs,
employing
techniques
like
cold
hot
programming.
Continuous
fibres
significantly
enhance
increasing
by
over
1027.5
%
in
tensile
tests
nearly
497.3
three-point
bending
tests.
also
addresses
recovery
fixity
ratios
4D-printed
finding
decrease
when
PLA.
Notably,
FGPLA
specimens
achieve
highest
ratio
approximately
95
±
1
after
pure
These
findings
highlight
potential
CFRCs
various
applications,
from
human-material
interaction
biomedical
fields.
They
contribute
sustainability
reducing
material
consumption
waste,
demonstrated
through
creation
reusable
items
hooks,
lockers,
finger
splints,
meta-composites.
Small Methods,
Journal Year:
2024,
Volume and Issue:
8(9)
Published: Feb. 25, 2024
Chitin
and
chitosan-based
bioink
for
3D-printed
flexible
electronics
have
tremendous
potential
innovation
in
healthcare,
agriculture,
the
environment,
industry.
This
biomaterial
is
suitable
3D
printing
because
it
highly
stretchable,
super-flexible,
affordable,
ultrathin,
lightweight.
Owing
to
its
ease
of
use,
on-demand
manufacturing,
accurate
regulated
deposition,
versatility
with
soft
functional
materials,
has
revolutionized
free-form
construction
end-user
customization.
study
examined
employing
chitin
bioinks
build
electronic
devices
optimize
formulation,
parameters,
postprocessing
processes
improve
mechanical
electrical
properties.
The
exploration
bioelectronics
will
open
new
avenues
materials
numerous
industrial
applications.
Advanced Engineering Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 21, 2025
Mechanical
metamaterials
represent
a
promising
class
of
materials
characterized
by
unconventional
mechanical
properties
derived
from
their
engineered
architectures.
In
the
realm
bioengineering,
these
offer
unique
opportunities
for
applications
spanning
in
vitro
models,
wearable
devices,
and
implantable
biomedical
technologies.
This
review
discusses
recent
advancements
bioengineering
contexts.
metamaterials,
tailored
to
mimic
specific
biological
tissues,
enhance
fidelity
relevance
models
disease
modeling
therapy
testing.
Integration
into
devices
enables
creation
comfortable
adaptive
interfaces
with
human
body.
Utilization
promotes
tissue
regeneration,
supports
biomechanical
functions,
minimizes
host
immune
responses.
Key
design
strategies
material
selection
criteria
critical
optimizing
performance
biocompatibility
are
elucidated.
Representative
case
studies
demonstrating
benchtop
phantoms
scaffolds
(in
platforms);
footwear,
architectured
fabrics,
epidermal
sensors
(wearables);
cardiovascular,
gastrointestinal,
orthopedic
multifunctional
patches
highlighted.
Finally,
challenges
future
directions
field
discussed,
emphasizing
potential
transform
research
enabling
novel
functionalities
improving
outcomes
across
diverse
use
cases.
