Polymer Composites,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 15, 2024
Abstract
Despite
the
wide
use
of
three‐dimensional
(3D)
woven
composites
in
different
applications,
their
production
is
often
costly.
This
study
explores
cost‐effective
3D
orthogonal
polymer
to
enhance
mechanical
performance.
Four
composite
variants,
each
incorporating
volumes
z‐binders
(copper
wires
or
glass
fibers),
were
compared
a
2D
composite.
All
produced
using
simple,
economical
hand
lay‐up
method.
Wear
resistance,
in‐plane
shear
strength,
and
impact
strength
assessed.
Results
indicated
that
all
surpassed
especially
those
reinforced
with
fiber
z‐binders.
The
single
z‐binder
exhibited
highest
increase
(20.6%).
Most
showed
slightly
reduced
composite,
smallest
decrease
(1.68%)
observed
specimens
small
copper
z‐binder.
Notably,
demonstrated
superior
wear
resistance
counterparts
under
various
loads.
Glass
reinforcements
outperformed
z‐binders,
double
yielding
maximum
enhancement.
These
findings
underscore
potential
for
applications
demanding
high
such
as
automotive,
structural
components,
sports
equipment.
Highlights
are
widely
used
engineering
applications.
Limited
studies
explore
behavior
composites.
Copper
manufacturing
method
reduces
costs.
improve
ones.
Polymer Composites,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 22, 2025
Abstract
Metal
hybrid
structures
with
fiber‐reinforced
composites
optimize
strength,
weight,
toughness,
and
durability
while
minimizing
cracks
retaining
structural
integrity.
The
present
investigation
evaluates
the
tensile
performance
of
manufactured
from
expanded
steel
wire
meshes
epoxy
versus
pure
glass
fiber
(GE).
Hybrid
specimens
were
fabricated
mesh
varying
pattern
sizes
inserted
at
two
different
positions
within
exposed
to
loading
layouts.
results
indicated
that
replacing
GE
layers
decreased
specimen
density
by
6.25%
increasing
ductility
energy
absorption.
Medium‐size
provided
most
effective
performance,
enhancing
peak
load,
absorption,
stiffness
an
average
18.9%
over
other
sizes.
outer
layer
configuration
was
superior
inner
layer,
improving
failure
strain,
stiffness,
absorbed
up
25.6%.
Moreover,
vertical
boosted
overall
28.5%
compared
horizontal
loading.
SO2
selected
via
Grey
Relational
Analysis
be
arrangement.
Highlights
Insight
into
impact
using
in
composites.
Analyzing
effect
size
laminating
order
on
performance.
Effect
layouts
Examining
damage
morphologies
assess
interlayers
interaction.
Superior
terms
toughness.
Polymer Composites,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 26, 2025
Abstract
This
study
investigates
the
characteristics
of
FRP
failure
envelope
under
combined
compression‐shear
loading,
basing
on
experimental,
theoretical
and
simulation
analysis.
The
observed
discrepancies
in
PUCK
criterion
are
shown
to
depend
heavily
ratio
transverse
compressive
strength
longitudinal
shear
strength.
Meanwhile,
representative
volume
element
(RVE)
models
employed
analysis
microscale
factors
influencing
envelope.
results
indicate
that
is
significantly
influenced
by
interface
reinforcement
coefficient,
which
strongly
correlated
with
uniaxial
significance
this
lies
its
macroscopic
reflection
errors
can
be
decreased
modifying
according
ratio.
main
finding
work
reveal
dependence
strengths.
On
basis,
optimal
values
for
inclined
angle
parameters
proposed
relation
FRPs
varying
coefficients,
offering
valuable
insights
improving
accuracy
predictions.
Highlights
coefficient
influence
biaxial
Improving
slope
parameter
considerably
lower
prediction
error.
Dependence
was
clarified.
Polymer Composites,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 28, 2025
Abstract
Integrating
thermoset
and
thermoplastic
materials
in
a
single
structure
is
fascinating
approach,
especially
when
looking
for
optimized
performance
characteristics.
These
advanced
hybrid
structures
can
achieve
levels
of
efficiency,
strength,
resilience
that
are
simply
not
attainable
using
material
type.
Subsequently,
this
work
aims
to
examine
the
deformation
behavior
crashworthiness
performances
square
glass
fiber‐reinforced
epoxy
(GFRE)
composite
tubes
filled
with
3D‐printed
polylactic
acid
(PLA).
To
this,
three
key
3D
printing
design
parameters,
is,
infill
pattern
structure,
density,
layer
height,
were
varied,
each
at
four
levels.
The
subjected
quasi‐static
lateral
compression.
For
tested
tubes,
crashing
load
energy
absorption
responses
recorded
against
displacement,
failure
modes
analyzed.
most
effective
parameter
combination
was
identified
complex
proportional
assessment
(COPRAS)
approach
compared
empty
GFRE
tubes.
Additionally,
cost
ratio
intended
evaluate
economic
feasibility
designed
analysis
concluded
GFRE‐H30/0.20
configuration
offers
best
efficiency.
Highlights
produced
by
means
lay‐up
wet‐wrapping
hand
3D‐printing
methods.
developed
compression
loads.
versus
displacement
plots
accessible.
Moreover,
histories
found.
In
addition,
COPRAS
method
used
find
optimum
configuration.
