Journal of Composites Science,
Год журнала:
2024,
Номер
8(11), С. 462 - 462
Опубликована: Ноя. 8, 2024
The
development
of
high-performance
composites
for
mechanical
energy
dissipation
during
impact
or
explosive
events
is
vital
importance
the
safety
personnel
and
infrastructures.
Solid–liquid
are
an
emerging
class
absorbers
where
a
liquid-phase
filler
seamlessly
integrated
into
solid
matrix
to
enhance
resistance
protection
target.
This
innovative
approach
leverages
distinct
properties
both
phases
unique
interactions
between
them
achieve
superior
performance
under
high-impact
conditions.
paper
aims
review
materials
used
in
solid–liquid
composites,
ranging
from
neat
liquids
complex
fluids,
including
liquid
nanofoam
shear-thickening
provide
in-depth
analysis
fundamental
physics
underpinning
resulting
explore
how
their
contribute
enhanced
absorption.
Furthermore,
this
evaluates
advantages
limitations
these
offers
insights
future
directions
various
fields,
personal
protective
equipment,
automotive
systems,
structural
protection.
Advanced Engineering Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 12, 2025
Lattice
structures
have
attracted
significant
scholarly
attention
due
to
their
exceptional
mechanical
properties,
including
lightweight
characteristics
and
high
strength.
Their
multifunctionality,
such
as
energy
absorption
vibration
reduction,
adds
versatility.
While
extensive
research
has
been
conducted
on
the
reduction
performance
of
plate‐type,
shell‐type,
truss‐type
lattice
structures,
studies
cylindrical
are
comparatively
limited.
To
achieve
broadband
suppression
in
this
study
proposes
a
novel
structure
based
pyramid
cells.
The
bandgap
formation
mechanism
skeleton
examined,
with
quantitative
analysis
influence
structural
parameters
using
normalized
indicators.
Results
indicate
that
demonstrates
multiple
bandgaps
within
0–1500
Hz
range,
exhibiting
substantial
attenuation
capabilities.
Additionally,
adjusting
enables
shift
toward
lower
frequencies.
Finally,
experimental
verification
finite
element
model
performed
by
comparing
transmission
curves
maximum
relative
error
−7.48%
at
resonance
peak.
This
work
offers
valuable
insights
for
application
noise
control
fields.
Journal of Physics Conference Series,
Год журнала:
2025,
Номер
2964(1), С. 012096 - 012096
Опубликована: Фев. 1, 2025
Abstract
Star-shaped
honeycomb
(SSH)
structures
exhibit
broad
application
potential
in
impact
protection
by
the
negative
Poisson’s
ratio
(NPR).
However,
existing
research
has
primarily
focused
on
conventional
with
positive
ratios
(PPR),
leaving
performance
of
NPR
effects
SSH,
particularly
combination
other
materials,
insufficiently
explored.
This
study
aims
to
investigate
effect
SSH
systematically
analysing
influence
varying
energy
absorption
through
wall
angle
adjustments.
Results
indicate
that
significantly
enhances
specific
SSH.
Furthermore,
coupling
system
filled
shear-thickening
fluid,
further
augments
and
establishes
a
stable
dissipation
mechanism
under
dynamic
conditions.
provides
theoretical
experimental
support
for
introduces
an
effective
strategy
designing
energy-absorbing
SSH-STF
coupling.
SAE technical papers on CD-ROM/SAE technical paper series,
Год журнала:
2025,
Номер
1
Опубликована: Апрель 1, 2025
<div
class="section
abstract"><div
class="htmlview
paragraph">Shear
Thickening
Fluid
(STF)
exhibits
tunable
stiffness
under
varying
loading
velocities,
making
it
an
ideal
candidate
for
energy
absorption
in
transportation
systems
subjected
to
complex
conditions,
such
as
crash
scenarios.
Recent
research
highlights
that
integrating
STF
with
conventional
structures
can
significantly
enhance
overall
performance.
In
this
study,
we
developed
a
novel
sandwich
plate
by
combining
newly
designed
bio-inspired
3D
periodic
structure
STF,
aiming
create
advanced
absorber.
A
finite
element
model
of
system
was
simulate
the
crush
tests.
Using
numerical
model,
conducted
additional
impact
simulations
investigate
effects
velocity
on
key
structural
responses,
including
force-displacement
curve,
well
absorption.
The
contributions
both
fluid
and
solid
components
were
analyzed.
Our
findings
indicate
integrated
demonstrates
superior
performance,
significant
potential
application
vehicle
safety
systems.</div></div>
