Metamaterials
are
a
type
of
groundbreaking
engineered
materials
with
unique
properties
not
found
in
natural
substances.
Lattice
metamaterials,
which
have
periodic
lattice
cell
structure,
possess
exceptional
attributes
such
as
negative
Poisson’s
ratio,
high
stiffness-to-weight
ratios,
and
outstanding
energy
dissipation
capabilities.
This
review
provides
comprehensive
examination
metamaterials.
It
covers
their
various
structures
fabrication
methods.
The
emphasizes
the
crucial
role
homogenization
methods
multi-scale
modeling
assessing
metamaterial
properties.
also
highlights
advancement
topology
optimization
through
advanced
computational
techniques,
finite
element
analysis
simulations
machine
learning
algorithms.
Virtual and Physical Prototyping,
Год журнала:
2023,
Номер
18(1)
Опубликована: Сен. 7, 2023
Masked
stereolithography
printing
can
be
used
to
produce
functionalised
magneto-responsive
polymer
structures.
Magnetic
filler
additivation
of
the
photopolymer
enables
production
powerful
and
fast
soft
robotics.
However,
current
approaches
require
high
concentrations,
reducing
mechanical
properties
compromising
processability.
In
this
study,
FeNi
nanoparticles
were
added
a
take
advantage
their
magnetic
response
magnetisation.
Field-assisted
gives
rise
anisotropy
by
arranging
laser-synthesised
into
uniaxial
strands
up
500
μm
length.
Favoured
small
size
even
distribution
nanoparticles,
only
0.02
wt%
are
needed
detect
responsivity.
Thus,
impact
on
property
is
reduced
while
facilitating
control
over
composite
properties.
The
practical
feasibility
composites
demonstrated
actuating
gripper
impeller
structures
which
offer
possibilities
in
applications
like
drug
delivery
tissue
engineering.
Polymers,
Год журнала:
2024,
Номер
16(13), С. 1932 - 1932
Опубликована: Июль 6, 2024
New
gelatin
methacryloyl
(GelMA)—strontium-doped
nanosize
hydroxyapatite
(SrHA)
composite
hydrogel
scaffolds
were
developed
using
UV
photo-crosslinking
and
3D
printing
for
bone
tissue
regeneration,
with
the
controlled
delivery
capacity
of
strontium
(Sr).
While
Sr
is
an
effective
anti-osteoporotic
agent
both
anti-resorptive
anabolic
properties,
it
has
several
important
side
effects
when
systemic
administration
applied.
Multi-layer
regeneration
based
on
digital
light
processing
(DLP)
technique
through
photopolymerization
GelMA.
The
chemical,
morphological,
biocompatibility
properties
these
investigated.
gels
shown
to
be
suitable
printing.
In
vitro
cell
culture
showed
that
osteoblasts
can
adhere
proliferate
surface
hydrogel,
indicating
GelMA-SrHA
good
viability
biocompatibility.
composites
are
promising
3D-printed
repair.
Metamaterials
are
a
type
of
groundbreaking
engineered
materials
with
unique
properties
not
found
in
natural
substances.
Lattice
metamaterials,
which
have
periodic
lattice
cell
structure,
possess
exceptional
attributes
such
as
negative
Poisson’s
ratio,
high
stiffness-to-weight
ratios,
and
outstanding
energy
dissipation
capabilities.
This
review
provides
comprehensive
examination
metamaterials.
It
covers
their
various
structures
fabrication
methods.
The
emphasizes
the
crucial
role
homogenization
methods
multi-scale
modeling
assessing
metamaterial
properties.
also
highlights
advancement
topology
optimization
through
advanced
computational
techniques,
finite
element
analysis
simulations
machine
learning
algorithms.
