Polymer Engineering and Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 13, 2024
Abstract
Nano‐injection
molding
technology
is
widely
used
in
producing
lightweight
and
high‐strength
composites.
In
this
study,
seven
polymer‐metal
interfacial
models
with
inverted
trapezoidal
nano‐slots
were
constructed
using
the
polymers
polypropylene
sulfide
(PPS),
polyamide
6
(PA6),
metal
aluminum
(Al),
where
formula
ratio
of
PPS/PA6
different.
Molecular
dynamics
simulation
was
to
analyze
motion
behavior
bonding
mechanism
during
nano‐injection
process
blend
modification.
The
results
indicated
that
addition
strongly
polarized
PA6
inert
material
PPS
could
effectively
enhance
bond
strength
PPS/Al.
Because
strong
polar
amide
group
increased
force
between
molecular
chain
surface,
which
led
more
anchors
forming
interfaces,
number
at
heterogeneous
interfaces
increase
content.
damage
simulations,
adding
enhanced
energy,
required
greater
loading
stresses
disengage
anchored
chains
from
interface.
Highlights
Strongly
groups
forces.
Addition
gets
higher
energy
filling
ratio.
Failure
modes:
Y‐shear
Z‐tensile.
Journal of Composites Science,
Год журнала:
2025,
Номер
9(3), С. 124 - 124
Опубликована: Март 6, 2025
The
global
push
for
sustainable
materials
has
intensified
the
research
on
natural
fiber-reinforced
composites.
This
study
investigates
potential
of
sugarcane
bagasse
fibers,
combined
with
a
bio-based
epoxy
matrix,
as
alternative
high-performance
A
comprehensive
approach
was
adopted,
including
wear
testing,
thermal
and
structural
characterization,
machine
learning
predictive
modeling.
Ethylene
dichloride-treated
fibers
exhibited
lowest
rate
(0.245
mg/m)
highest
stability
(T20%
=
260
°C,
char
yield
1.3
mg),
highlighting
role
optimized
surface
modifications.
XRD
(X-ray
diffraction)
analysis
revealed
that
pre-treated
achieved
crystallinity
index
62%,
underscoring
importance
alignment
in
fiber-matrix
bonding.
Machine
insights
using
Random
Forest
model
identified
fiber
treatment
most
significant
parameter
influencing
performance,
accurate
predictions
validated
through
experimental
results.
work
demonstrates
transformative
polymer
composites,
offering
pathway
environmentally
friendly,
lightweight,
durable
material
solutions.
These
findings
integrate
rigor
computational
insights,
paving
way
advancements
fiber-based
composite
technologies.
Materials science forum,
Год журнала:
2025,
Номер
1149, С. 17 - 22
Опубликована: Май 16, 2025
This
study
investigates
the
water
absorption
characteristics
of
epoxy-based
hybrid
composites
reinforced
with
natural
sisal
fibers
and
synthetic
glass
fibers.
Four
different
stacking
sequences
fiber
layers:
SSSS
(four
layers),
SSSG
(three
layers
one
layer),
SSGG
(two
two
SGGG
(one
layer
three
were
fabricated
to
assess
their
influence
on
moisture
properties.
The
percentages
determined
during
testing
compositions
are
averaged,
showing
a
trend
decreased
an
increase
in
number
layers.
configuration
exhibits
lowest
at
3.18%,
while
has
highest
6.63%.
highlights
absorbent
nature
confirms
role
enhancing
resistance.
Hybrid
reinforcements
can
therefore
improve
not
only
mechanical
properties
epoxy
but
also
make
them
more
environmentally
friendly.
Such
materials
provide
viable
alternative
conventional
plastics.
Additionally,
understanding
effect
may
enable
future
composite
designs
tailored
for
specific
environmental
conditions.
Archives of Civil and Mechanical Engineering,
Год журнала:
2025,
Номер
25(4)
Опубликована: Май 20, 2025
Abstract
The
concept
of
functionally
graded
materials
was
adopted
to
experimentally
enhance
the
wear
resistance
and
hardness
traditional
laminated
composite
made
long
glass
fibers
epoxy
resin
in
this
work.
structure
consisted
twelve
layers.
redistribution
through
width
specimens
produces
three
distinct
patterns:
linear,
non-linear,
stepwise.
A
Shore-D
tester
used
get
each
pattern,
while
their
friction
coefficients
were
measured
a
Pin-On-Disc
according
ASTM
standards
for
applied
load
varied
from
10
40
N
sliding
speed
ranged
0.2
0.8
m/s.
study
also
considered
effects
fiber
orientation
relative
direction,
i.e.,
parallel,
anti-parallel,
normal.
worn
surfaces
inspected
using
an
optical
microscopy
microscope,
X-ray
diffraction
analysis,
scanning
electron
microscope.
results
indicated
that
rate,
coefficient,
temperature
are
influenced
by
several
factors,
including
speed,
load,
distance,
orientation.
demonstrated
superior
performance
normal
compared
parallel
anti-parallel
ones.
linear
patterns
improved
rate
coefficient
conventional
composites
with
average
15%
3%,
respectively,
all
manners
forces
velocities.
Meanwhile,
stepwise
enhanced
both
them
up
25%
8%
orientations
same
cases.
