Polymer Composites,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 26, 2024
Abstract
The
main
objective
of
the
present
research
is
to
investigate
mechanical
and
electrical
properties
multiwalled
carbon
nanotube
(MWCNTs)
filled
pineapple
kenaf
fiber‐based
hybrid
laminated
composite
structures
using
hand
layup
technique.
0,
0.1,
0.2,
0.3,
0.4,
0.5
wt%.
MWCNTs
are
incorporated
into
proposed
structures.
incorporation
structure
increases
flexural,
tensile
impact
strength
by
173%,
53%,
29%
respectively.
morphological
studies
presented
understand
fiber
pull‐out,
matrix
breakage,
delamination
debonding
phenomena.
Further,
addition
composites
decreased
water
absorption
from
8.3%
4.3%;
however,
density
increased
slightly
due
a
more
compact
structure.
enhances
such
as
dielectric
constant
AC
conductivity
forming
conductive
network.
developed
3.0
6.8
times
interfacial
polarization.
results
study
demonstrate
that
incorporating
MWCNTS
helped
enhance
both
properties,
making
it
primary
choice
for
electromagnetic
interface
shielding
applications.
Highlights
Laminated
fabricated
,
56%,
29%.
percentage
4.3%.
3.04
times.
Journal of Reinforced Plastics and Composites,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 18, 2024
The
aim
of
the
current
research
is
to
develop
a
3D
printable
PETG
composite
filament
reinforced
with
pineapple
fiber
particulate
(PALF-P).
These
filaments
were
produced
using
an
extrusion
technique,
incorporating
varying
weight
percentages
(1.5%,
2.5%,
5%,
and
7.5%)
PALF
particles
treated
5%
NaOH
chemical
solution.
Analytical
techniques
like
Fourier
Transform
Infrared
Spectroscopy
(FTIR)
X-ray
Diffraction
(XRD)
evaluated
impact
this
treatment.
A
comprehensive
study
resulting
filaments’
mechanical
physical
attributes
revealed
improved
cohesion
between
matrix
particles,
enhancing
overall
properties.
Specifically,
incorporation
5
wt
%
showed
highest
ultimate
tensile
strength
(53.54
±
2.7
MPa),
Young’s
modulus
(1443
72.22
load-bearing
capacity
(104.97
5.25
N).
In
contrast,
2.5%
had
least
noticeable
effect
on
Moreover,
developed
sustainable
significant
promise
in
advancing
bio-composites
through
additive
manufacturing,
potentially
contributing
manufacturing
practices.
Polymer Composites,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 6, 2024
Abstract
This
study
underscores
the
potential
of
silanized
kapok
fiber
(KF)
as
a
lightweight,
eco‐friendly
reinforcement
for
aerospace
cabin
interiors,
emphasizing
electrical
insulation
and
mechanical
resilience.
KF/epoxy
composites
were
fabricated
via
hand
lay‐up,
silane
treatment
improved
flexural,
tensile,
impact,
storage
modulus
by
131%,
101%,
145%,
105%,
respectively,
due
to
enhanced
fiber‐matrix
interaction.
Dielectric
impedance
spectroscopy
revealed
reduced
dielectric
constant,
loss,
AC
conductivity
removal
polar
groups
compact
composite
structure.
Additionally,
9%
concentration
decreased
water
absorption
3.9%
over
400
h
tight
packing
binding
between
epoxy.
These
findings
demonstrate
that
enhances
compatibility,
improving
overall
performance
composites.
Highlights
KFs
are
treated
with
coupling
agents.
Silane
interfacial,
chemical
bonding.
Mechanical
properties
grafting
on
KF.
T
g
increased
after
treatment.
Explored
density
demonstrated
Polymer Composites,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 26, 2024
Abstract
The
main
objective
of
the
present
research
is
to
investigate
mechanical
and
electrical
properties
multiwalled
carbon
nanotube
(MWCNTs)
filled
pineapple
kenaf
fiber‐based
hybrid
laminated
composite
structures
using
hand
layup
technique.
0,
0.1,
0.2,
0.3,
0.4,
0.5
wt%.
MWCNTs
are
incorporated
into
proposed
structures.
incorporation
structure
increases
flexural,
tensile
impact
strength
by
173%,
53%,
29%
respectively.
morphological
studies
presented
understand
fiber
pull‐out,
matrix
breakage,
delamination
debonding
phenomena.
Further,
addition
composites
decreased
water
absorption
from
8.3%
4.3%;
however,
density
increased
slightly
due
a
more
compact
structure.
enhances
such
as
dielectric
constant
AC
conductivity
forming
conductive
network.
developed
3.0
6.8
times
interfacial
polarization.
results
study
demonstrate
that
incorporating
MWCNTS
helped
enhance
both
properties,
making
it
primary
choice
for
electromagnetic
interface
shielding
applications.
Highlights
Laminated
fabricated
,
56%,
29%.
percentage
4.3%.
3.04
times.
