Abstract
This
research
paper
focuses
on
the
design
and
fabrication
of
natural
cotton
epoxy
composites.
By
combining
fibers
with
resin,
study
aims
to
develop
composite
materials
desirable
mechanical
properties.
To
evaluate
their
performance,
composites
were
subjected
three-point
bending
tests,
which
revealed
an
average
flexural
strength
50
MPa
a
modulus
3.8
GPa,
highlighting
material’s
capacity
bear
loads.
The
tests
provided
insights
into
composite’s
response
loads,
including
its
strength,
stiffness,
failure
mechanisms.
Post-test
analysis
using
optical
microscope
that
primary
modes
included
delamination
fiber
breakage.
Delamination,
characterized
by
separation
layers
within
composite,
breakage,
caused
fibers’
inability
withstand
stress
exceeding
tensile
approximately
300
MPa,
led
crack
propagation
through
material.
These
findings
indicate
composite's
was
primarily
driven
these
provides
valuable
improving
enhancing
properties,
contributing
broader
understanding
fiber-reinforced
behavior
under
stress.
Polymer Composites,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 15, 2024
Abstract
Fiber‐reinforced
polymer
composites
(FRPCs)
have
become
integral
to
various
industries
due
their
exceptional
strength‐to‐weight
ratio,
corrosion
resistance,
and
versatility.
Recent
advancements
in
the
properties
recycling
of
FRPCs
reflect
significant
progress
performance
sustainability.
This
paper
reviews
latest
developments
FRPC
technology,
highlighting
innovations
material
formulation,
including
fiber
types,
matrix
materials,
hybrid
that
enhance
mechanical
properties.
Furthermore,
this
review
emphasizes
modification
matrices
by
incorporating
graphene,
which
aims
improve
chemical
bonding
interlocking
between
matrix.
Additionally,
it
addresses
recent
breakthroughs
technologies,
focusing
on
methods
such
as
recycling,
developing
eco‐friendly
matrices.
Integrating
these
lifecycle
management
FRPCs,
reduce
environmental
impact,
support
transition
towards
a
circular
economy.
underscores
balance
enhancing
composite
promoting
sustainable
practices,
paving
way
for
more
environmentally
responsible
applications
FRPCs.
Highlights
The
different
types
fiber‐reinforced
been
thoroughly
reviewed.
How
does
graphene
affect
behavior
laminates?
Provide
systematic
correlation
comparison
fabrication
methods,
deliberated.
Sustainability,
Год журнала:
2025,
Номер
17(1), С. 364 - 364
Опубликована: Янв. 6, 2025
This
study
investigates
the
effects
of
different
pH
environments
on
durability
coir
fiber-reinforced
epoxy
resin
composites
(CFRERCs).
The
CFRERCs
were
prepared
by
combining
alkali-treated
fibers
with
and
exposing
them
to
acidic,
alkaline,
pure
water,
seawater
for
a
12-month
corrosion
test.
results
show
that
an
alkaline
environment
has
most
significant
impact
tensile
strength
CFRERCs,
55.06%
reduction
after
12
months.
acidic
causes
44.87%
decrease
in
strength.
In
contrast,
decreases
32.98%
30.03%
water
environments,
respectively.
greatest
strain
occurs
environment,
36.45%.
about
25.56%,
while
seawater,
reductions
are
18.78%
22.65%,
terms
stiffness,
49.51%
reduction,
54.56%
decrease.
Stiffness
43.39%
36.72%
seawater.
Field
emission
scanning
electron
microscope
(FE-SEM)
analysis
shows
corrosive
agents
cause
varying
degrees
damage
microstructure
CFRERCs.
erode
fiber–resin
interface,
leading
delamination
fiber
breakage.
penetrate
interior,
increasing
surface
roughness
porosity.
While
also
some
damage,
their
relatively
mild.
Polymer Composites,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 4, 2025
Abstract
Polyethylene
terephthalate
(PET)
fabric
exhibits
good
tensile
strength
and
toughness,
making
it
a
suitable
candidate
as
reinforcement
for
fiber‐reinforced
polymer
(FRP)
composites.
This
paper
presents
the
preparation
characterization
of
novel
PET
fabric/SiC/epoxy
hybrid
composite.
The
incorporation
SiC
enhances
flame
retardancy
composites
by
reducing
burning
rate,
suppressing
dripping
combustion,
self‐extinguishing
at
loadings
4
wt.%
or
above.
These
properties
benefit
fire‐safe
applications,
improving
material's
ability
to
resist
ignition
slow
down
propagation.
Moreover,
presence
particles
improves
flexural
composites,
but
elongation
break
is
reduced.
fractography
analysis
reveals
improved
interaction
between
epoxy
matrix
particles.
with
random
shapes
sharp
corners
can
form
mechanical
interlock
fabric,
enhancing
Highlights
A
composite
fabric/SiC
reinforced
in
matrix.
new
thermally
stable
flame‐retardant
Composite
that
economical
light
weight,
hardness.
Suitable
automotive
industrial
applications.
Materials,
Год журнала:
2025,
Номер
18(7), С. 1659 - 1659
Опубликована: Апрель 4, 2025
The
growing
interest
in
renewable
resource-based
materials
has
driven
efforts
to
develop
elastomeric
biocomposites
using
biomass,
phyto-ash,
and
biochar
as
fillers.
These
bio-additives,
derived
from
beech
wood
through
various
processing
methods,
were
incorporated
into
natural
rubber
(NR)
at
varying
weight
ratios.
primary
objective
of
this
study
was
assess
how
the
type
content
each
bio-filler
influence
structural,
processing,
performance
properties
biocomposites.
Mechanical
properties,
including
tensile
strength
hardness,
evaluated,
while
crosslink
density
vulcanizates
determined
equilibrium
swelling
solvents.
Additionally,
composites
underwent
thermogravimetric
analysis
(TGA)
determine
decomposition
temperature
individual
components
within
polymer
matrix.
Bio-fillers
influenced
rheological
mechanical
with
phyto-ash
reducing
viscosity
cross-linking
density,
biomass
increasing
stiffness
maximum
torque.
Biochar
extended
curing
time
due
absorption
agents,
whereas
accelerated
vulcanization.
tests
showed
that
all
bio-filled
stiffer
than
reference,
(30
phr)
exhibiting
highest
hardness
(45.8
°ShA
49.1
°ShA,
respectively)
cross-link
(2.68
×
10−5
mol/cm3
2.77
mol/cm3,
respectively),
contributing
improved
strength,
particular
case
biochar,
where
TS
17.6
MPa.
also
examined
effects
thermal-oxidative
aging
on
samples,
providing
insights
changes
under
simulated
conditions.
