Polymer Composites,
Journal Year:
2023,
Volume and Issue:
44(7), P. 3964 - 3976
Published: April 24, 2023
Abstract
The
properties
of
materials
used
in
building
are
enhanced
by
adding
nanoparticles
for
improve
energy
efficiency.
objective
this
study
is
to
offer
both
numerical
and
analytical
modeling
methods
the
thermal
conductivity
mechanical
property
composite
materials.
Various
mineral
charges
were
employed
reinforce
organic
matrices
saturated
polyester
resin
(UPR)
with
calcium
carbonate
(CaCo
3
)
expanded
perlite
particles.
employs
finite‐element
software
COMSOL
conduct
a
investigation
transport
an
elementary
cell.
purpose
ascertain
composites
examine
impact
contact
resistance
volume
fraction
on
effective
conductivity.
results
indicate
that
model
proposed
consistent
Hashin‐Shtrikman
experimental
measurements.
In
another
hand,
computed
based
Mori‐tanaka
homogenization
finite
element
method
Digimat‐MF/FE,
which
gives
elastic
behavior
function
nanoparticles,
high
Young
modulus
low
Poisson
ratio.
performance
improving
thermomechanical
materials,
also
other
applications.
Journal of Composite Materials,
Journal Year:
2024,
Volume and Issue:
58(11), P. 1353 - 1362
Published: March 13, 2024
Needle-punched
carbon/carbon
(NP
C/C)
composite
is
widely
used
in
rocket-engine
nozzles
and
re-entry
vehicles.
Recyclable
technology
expedited
the
research
on
repeated
oxidation
residual
mechaincal
properties
of
thermal-protection
materials.
In
this
study,
critical
longitudinal
compression
strengths
before
after
are
derived
based
Timoshenko
beam
theory.
Three
repetitions
short-term
cycles
experiments
investigated.
The
average
rate
was
5∼6%
10
min
kept
linear
increase.
In-plane
out-of-plane
compressive
NP
C/C
diminish
quasi-linearly
due
to
at
1000°C,
with
their
moduli
decreasing
a
periodically
slow-sharp
pattern.
After
three
cycles,
levels
in-plane
modulus
strength
were
55.20%
56.89%,
respectively,
while
resudual
44.65%
47.23%,
respectively.
results
showed
that
material
exhibited
pesudo-plastical
behaviour
oxidation,
cracks
grew
along
punched
conical
structures
formed
by
punching
technology.
more
sensitive
than
first
cycle.
Journal of Composites Science,
Journal Year:
2023,
Volume and Issue:
7(1), P. 29 - 29
Published: Jan. 10, 2023
One
of
the
biggest
problems
facing
use
carbon
nanotubes
in
reinforced
composites
is
agglomeration
within
matrix
phase.
This
phenomenon—caused
by
Van
der
Waals
forces—leads
to
dispersion
and
weakens
properties
composites.
research
presents
a
multi-stage
homogenization
approach
used
investigate
influence
aspect
ratio,
volume
fraction,
nanofillers
on
effective
mechanical
polymer
biocomposite
containing
randomly
dispersed
graphene
nanoplatelets.
The
first
stage
consisted
evaluating
polymers
CNT/GNP.
second
step
combining
with
different
natural
synthetic
unidirectionally
oriented
fibers.
It
was
found
that
has
huge
composite.
novelty
this
work
consideration
parameters
influencing
elastic
using
micromechanics
approaches
numerical
techniques.
Polymer Composites,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 6, 2025
Abstract
This
study
focuses
on
the
numerical
modeling
of
multilayer
composite
pipes,
specifically
those
incorporating
a
glass
fiber‐reinforced
polypropylene
layer.
The
research
investigates
mechanical
properties
high
modulus
grade,
BA212E,
and
material,
PP‐GF30,
which
contains
30
wt.%
fibers.
Various
hyperelastic
material
models
are
evaluated
to
accurately
represent
behavior
these
materials
under
different
loading
conditions.
It
was
found
that
Yeoh
model
combined
with
nonlinear
isotropic
hardening
plasticity
provides
most
suitable
representation
behaviors
materials.
validated
through
simulations
three‐point
bending
pipe
compression
tests,
demonstrating
good
agreement
experimental
data.
Highlights
Glass
pipes
for
improved
stiffness.
Comparative
evaluation
multiple
models.
captures
BA212E
PP‐GF30
accurately.
offers
optimal
behavior.
Validated
via
data
correlation.
Polymers,
Journal Year:
2025,
Volume and Issue:
17(6), P. 757 - 757
Published: March 13, 2025
Composite
materials
have
experienced
a
significant
increase
in
demand
over
the
past
five
decades.
This
growing
usage
has
led
to
considerable
production
of
waste,
particularly
from
prepreg
scraps,
which
can
account
for
up
35%
purchased
material.
paper
explores
recycling
scraps
by
cutting
them
into
smaller
patches
and
reassembling
new
sheets.
The
study
follows
dual
approach:
mechanical
testing
on
two
different
types
samples
is
presented,
along
with
numerical
modeling
strategies
designed
capture
not
only
behavior
recycled
material
but
also
failure
modes
samples.
experimental
results
demonstrate
feasibility
proposed
technique,
made
retaining
85%,
57%,
78%
original
flexural
modulus,
strength,
interlaminar
respectively.
models
fit
closely
data
successfully
predict
under
loading
conditions.
primary
highlights
this
work
lie
(i)
its
innovative
approach
capable
recovering
otherwise
sent
landfill;
(ii)
an
ordinated
easy-to-automate
recovery
process;
(iii)
eventually
proposes
development
“equivalent
lamina”
scrap
that
be
used
standard
lamination
processes
manufacture
components
load-bearing
capabilities.
