Additive
manufactured
lattice
structures
offer
great
potential
for
impact
resistance
applications.
They
exhibit
excellent
energy
absorption
characteristics
during
the
elasto-plastic
deformation
process,
providing
protection
to
internal
devices.
However,
mechanical
response
of
undergoes
substantial
variations
thereby
imposing
limitations
on
their
behavior.
This
study
introduces
a
novel
twist
design
modify
behavior
rectangular
and
hollow
cylindrical
structures.
Powder
bed
fusion
was
used
fabricate
twisted
The
employed
combination
compressive
simulations
experimental
investigations
systematically
explore
angle
peak
crushing
force,
absorption,
crash
load
efficiency
Adjusting
results
in
reduction
force
transition
towards
stable
loading
profile
process.
Moreover,
is
also
reduced.
concept
presented
this
paper
provides
insight
into
designing
optimizing
Advanced Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 20, 2025
Abstract
Lattice
metamaterials
emerge
as
advanced
architected
materials
with
superior
physical
properties
and
significant
potential
for
lightweight
applications.
Recent
developments
in
additive
manufacturing
(AM)
techniques
facilitate
the
of
lattice
intricate
microarchitectures
promote
their
applications
multi‐physical
scenarios.
Previous
reviews
on
have
largely
focused
a
specific/single
field,
limited
discussion
properties,
interaction
mechanisms,
multifunctional
Accordingly,
this
article
critically
design
principles,
structure‐mechanism‐property
relationships,
enabled
by
AM
techniques.
First,
are
categorized
into
homogeneous
lattices,
inhomogeneous
other
forms,
whose
principles
processes
discussed,
including
benefits
drawbacks
different
fabricating
types
lattices.
Subsequently,
structure–mechanism–property
relationships
mechanisms
range
fields,
mechanical,
acoustic,
electromagnetic/optical,
thermal
disciplines,
summarized
to
reveal
critical
principles.
Moreover,
metamaterials,
such
sound
absorbers,
insulators,
manipulators,
sensors,
actuators,
soft
robots,
management,
invisible
cloaks,
biomedical
implants,
enumerated.
These
provide
effective
guidelines
Mechanics of Advanced Materials and Structures,
Год журнала:
2024,
Номер
32(1), С. 79 - 106
Опубликована: Апрель 22, 2024
Lattice
metamaterials
have
gained
considerable
attention
due
to
their
distinctive
topological
structures
and
multifunctional
properties.
In
this
work,
the
effect
of
topology,
loading
conditions,
relative
density
on
effective
mechanical
properties
various
novel
lattice
architectures
is
investigated
numerically
experimentally.
Thirteen
strut-based
lattices
derived
from
triply
periodic
minimal
surfaces
(five
lattices)
as
well
Platonic
(three
Archimedean
solids
are
considered
for
first
time,
anisotropic
properties,
including
uniaxial,
shear,
bulk
moduli
strengths
total
stiffness,
buckling
strengths,
Poisson's
ratio,
anisotropy
a
function
wide
range
densities
(0.1%
37%).
Finite
element
analysis
employed
capture
full
behavior
these
using
boundary
conditions.
Bifurcation
performed
predict
threshold
governing
vs
yielding
deformation
behavior.
Selected
3D
printed
polymer
selective
laser
sintering
additive
manufacturing
technique
tested
under
quasi-static
uniaxial
compression
where
experimental
numerical
results
compared.
The
indicate
that
can
be
altered
between
stretching
bending
dominated
mode
loading.
shown
outperform
lattices.
This
work
opens
doors
more
investigations
types
engineering
applications.
Furthermore,
generated
comprehensive
data
useful
in
optimizing
latticed
topology
optimization
techniques.
Journal of Engineering Materials and Technology,
Год журнала:
2024,
Номер
146(3)
Опубликована: Фев. 13, 2024
Abstract
Lattice
structures
are
intricate
networks
of
interconnected
struts,
surfaces,
and
plates
formed
from
irregular
non-periodic
cells.
Among
the
promising
lattices,
triply
periodic
minimal
surfaces
(TPMS)
lattices
stand
out
for
their
attractive
blend
lightweight
properties,
excellent
energy
absorption
capacity,
thermal
insulation
capabilities.
In
this
paper,
we
propose
a
modeling
technique
to
create
innovative
lattice
with
complicated
shapes
compare
mechanical
properties
existing
TPMS
lattices.
The
is
coded
in
matlab
using
mathematical
equations.
filament-based
material
extrusion
method
was
utilized
produce
desired
structures.
order
determine
compressive
3D-printed
underwent
compression
testing.
capacity
novel
shown
be
increased
by
135%,
153%,
162%
when
compared
gyroid
110%,
125%,
132%
diamond
at
constant
relative
density.
Furthermore,
gives
data
creating
contours
as
well
underlying
design
principles
construction
superior
characteristics
numerous
applications,
particularly
protective
devices.
proposed
approach
could
used
future
develop
biomedical
applications
that
incorporate
various
unit
cell
designs.
Advanced Engineering Materials,
Год журнала:
2024,
Номер
26(8)
Опубликована: Март 2, 2024
Lattice
structure
has
the
characteristics
of
lightweight,
crashworthiness,
and
better
energy
absorption
capabilities.
With
advancement
additive
manufacturing
technologies,
preparing
complex
lattice
structures
become
possible.
In
this
study,
some
novel
are
designed
by
topology
optimization
based
on
inspiration
triply
periodic
minimum
surface
structures.
The
different
volume
fraction
combined
into
four
gradient
(GLSs):
unidirectional
GLS,
bidirectional
increasing
decreasing
none
GLS
(NOGLS).
Subsequently,
selective
laser
melting
is
employed
to
manufacture
Experiments
finite‐element
simulation
analysis
utilized
evaluate
mechanical
performance
collapse
patterns
results,
it
shown
that
NOGLS
a
higher
modulus
elasticity
greater
load‐bearing
capacity
for
same
relative
density.
Furthermore,
energy‐absorbing
properties
dot‐matrix
significantly
improved
rational
density
design
strategy.
This
work
valuable
improving
