BIO Web of Conferences,
Год журнала:
2024,
Номер
142, С. 03020 - 03020
Опубликована: Янв. 1, 2024
This
paper
reviews
the
wide
range
of
applications
and
current
research
status
metamaterials
in
biomedical
field,
demonstrating
their
great
potential
enhancing
diagnostic
accuracy,
promoting
tissue
regeneration,
treating
diseases.
performance
traditional
materials,
have
made
remarkable
progress
field
by
virtue
unique
physical
properties
high
designability.
In
case
terahertz
metamaterials,
precise
detection
biomolecules
tissues
has
been
achieved
combining
sensitivity
with
penetrability
biological
tissues.
Mechanical
on
other
hand,
promote
enhancement
flexible
strain
sensors
advancement
engineering
simulating
mechanical
behavior
addition,
multifunctional
such
as
light-driven,
thermally-driven,
magnetic,
chiral,
electrically-driven
opened
up
new
possibilities
biotechnology
industry.
field.
Despite
challenges
biocompatibility
control
material
degradation
rate,
are
still
promising
for
disease
diagnosis,
treatment,
drug
discovery.
Future
should
focus
improving
biocompatibility,
developing
advanced
manufacturing
technologies,
personalized
medicine,
strengthening
interdisciplinary
collaborations
to
further
explore
biomedicine.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 26, 2025
Abstract
Auxetic
metamaterials
refer
to
materials
and
structures
with
extraordinary
deformation,
i.e.,
transverse
expansion
(contraction)
under
uniaxial
tension
(compression).
In
recent
decades,
a
very
wide
range
of
innovative
functional
performance
has
been
discovered
stemming
from
this
behavior.
This
desirable
exhibition
adaptivity,
programmability,
functionality
provides
great
potential
in
soft
intelligent
systems.
However,
thus
far,
the
mainstream
research
on
auxetic
focused
subjective
design,
monotonic
mechanical
properties,
passive
tunability.
review
thorough
overview
classical
properties
applications,
primary
objective
proposing
new
roadmap
auxetics
for
advances
interdisciplinary
field.
The
fundamental
works
are
categorized
different
configurations
mechanisms.
particular,
integration
shape
morphing,
actuation,
sensing,
multiphysical
response,
inverse
design
is
reviewed
detail.
To
accelerate
development
smart
structural
systems,
applications
generalized
into
robotics
(outside
body),
human–machine
interaction
(surrounding
healthcare
devices
(inside
body).
Finally,
several
significant
topics
emphasized
theory,
material
choice,
manufacturing
technique,
applications.
Advanced Engineering Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 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.
Polymer Engineering and Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 6, 2025
Abstract
This
paper
explores
the
potential
applications
of
4D
printing
technology
in
aerospace
field,
with
a
focus
on
mechanical
properties
and
reusability
honeycomb
metamaterials
shape
memory
characteristics
fabricated
using
polymers
(SMPs).
Currently,
research
SMP‐based
is
limited,
particularly
regarding
influence
cellular
unit
geometries
their
recovery
performance,
which
remains
unclear.
To
address
this
gap,
study
combines
typical
units
positive,
negative,
zero
Poisson's
ratio
into
various
structures.
Through
quasi‐static
compression
experiments,
complemented
by
three‐dimensional
digital
image
correlation
(DIC)
finite
element
analysis,
performance
deformation
mechanisms
three
structures
are
compared
detail.
The
patterns
under
elucidated,
geometric
shapes
behavior
response
analyzed.
Shape
including
single‐cycle
multi‐cycle
tests,
designed
to
evaluate
smart
terms
key
metrics
such
as
rate
restoring
force.
systematically
characterizes
compressive
different
combinations,
providing
significant
guidance
for
development
4D‐printed
metamaterials.
Highlights
Metamaterial
combining
cells
ratios.
DIC
FEM
used
assess
effects
failure.
ZAZ
structure
shows
superior
stiffness
energy
absorption
compression.
Evaluate
SMP
loading
conditions.
ZAP
exhibits
more
stable
cyclic
loading.
Fatigue & Fracture of Engineering Materials & Structures,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 7, 2025
ABSTRACT
Materials
with
a
negative
Poisson's
ratio
have
gained
attention
for
their
unique
mechanical
properties,
enabling
applications
in
aerospace,
construction,
and
medicine.
However,
the
complex
geometry
of
such
structures
poses
challenges
traditional
manufacturing.
3D
printing
offers
solution,
allowing
precise
fabrication
these
intricate
designs.
This
study
uses
to
create
three
types
from
PLA:
concave
hexagonal,
four‐directional
chiral,
biomimetic
feather
structures.
Tensile
testing
revealed
that
hexagonal
structure
outperformed
others
strength.
Finite
element
simulations
confirmed
its
superior
load‐bearing
capacity
during
fracture.
Additionally,
fractal
analysis
showed
had
highest
dimension
crack
propagation,
further
validating
superiority.
These
findings
highlight
structure's
advantages
through
experimental,
numerical,
analyses.
