Interdisciplinary materials,
Journal Year:
2024,
Volume and Issue:
3(6), P. 919 - 934
Published: July 17, 2024
Abstract
Fluorene‐containing
branched
poly(aryl‐ether‐ketone)
(BFPAEK)
with
terminal
hydroxyl
groups
is
synthesized
by
random
copolycondensation
reaction;
then,
the
CF@BFPAEK/PEEK
laminated
composite
prepared
“powder
impregnation‐high
temperature
compression
molding”
method
poly(ether‐ether‐ketone)
(PEEK)
as
matrix
and
BFPAEK‐modified
carbon
fiber
(CF@BFPAEK)
reinforcement.
When
content
of
units
in
BFPAEK
10%
coating
amount
on
(CF)
surface
3
wt%,
has
outstanding
mechanical
properties,
an
interlaminar
shear
strength
(ILSS)
57.3
MPa
flexural
589.4
MPa,
which
are
80.2%
44.3%
higher
than
those
pure
CF/PEEK
(31.8
408.4
MPa),
respectively.
After
288
h
hydrothermal
aging
high/low‐temperature
alternating
aging,
corresponding
retention
rate
ILSS
respectively
87.9%
84.7%,
composites
(74.5%
70.4%).
The
thermal
conductivity
coefficient
for
5%
weight
loss
1.85
W
m
−1
K
538.0°C,
Journal of Composite Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 20, 2025
To
simplify
the
preparation
and
application
of
polyimide-based
(PI)
high-temperature
resistant
sizing
agents
for
carbon
fiber
(CF)
to
promote
environmentally
friendly
efficient
practices,
a
method
preparing
PI-based
water-soluble
agent
suitable
reinforced
poly
(aryl
ether
ketone)
composites
(CF/PAEK)
based
on
monomer
in
situ
polymerization
mechanism
was
proposed.
The
dianhydride
(3,3′,4,4′-benzophenone
tetracarboxylic
dianhydride)
alcoholized
mixed
with
diamine
(m-phenylenediamine)
form
mixture
water,
resulting
water-based
agent.
CF
surface
completed
under
conditions
during
CF/PAEK
molding
process,
simplifying
process.
thermal
analysis
results
show
that
prepared
agent’s
5
wt%
weight
loss
temperature
is
465°C,
which
meets
high
forming
requirements
CF/PAEK.
Under
optimal
conditions,
O/C
ratio
increased
by
19%,
energy
rose
57%,
interfacial
shear
strength
between
PAEK
24%,
interlaminar
improved
53%.
created
through
this
provides
several
advantages,
including
environmental
friendliness,
straightforward
resistance,
significant
improvement
interface
performance.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 22, 2025
Abstract
Carbon
fiber
reinforced
thermoplastics
(CFRTs)
have
witnessed
a
resurgence
in
recent
times
since
their
first
industrial
use
over
five
decades
ago,
with
revitalized
interest
from
aerospace
companies
and
other
key
sectors
including
energy
automotive
sectors.
CFRTs
are
increasingly
gaining
footholds
high
volume
rapid
manufacturing
nonaerospace
owing
to
inherent
recyclability.
However,
there
has
been
lack
of
contemporary
critical
review
on
this
topic
so
far.
This
work
aims
the
advances
emphasis
performance
thermoplastics.
Both
continuous
discontinuous
forms
tape,
organosheet
short/long
architectures
discussed,
processing
postprocessing
methods
reviewed,
state‐of‐the‐art
welding
techniques.
Typical
applications
industry
examined,
fuselage,
pressure
vessel,
components.
Finally,
insights
provided
into
ongoing
challenges,
future
development,
roadmap
for
expediting
development
high‐performance
CFRTs.
Polymer Composites,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 21, 2024
Abstract
SiO
2
and
Al
O
3
micron
particle
effects
on
the
mechanical
vibration
properties
of
carbon
fiber‐reinforced
polymer
(CFRP)
composites
were
systematically
investigated
by
incorporating
these
particles
into
epoxy
resin.
CFRP
laminates
prepared
adding
various
weight
fractions
(0–10
wt.
%)
to
The
influence
cutout
shape
angle
(
θ
cf
)
between
square
fiber
orientation
vibrational
performance
investigated.
As
fraction
(PWF)
increased,
tensile,
bending,
interlaminar
shear,
initially
improved
then
declined.
flexure
strength
samples
with
4
%
increased
11.70%.
8
exhibited
highest
damping
ratio,
which
was
4.59
times
greater
than
that
without
particles.
laminates.
For
rectangular
cutout,
sample
=
22.5°
exhibits
exceeding
those
at
0°
45°
2.28%
7.10%,
respectively.
Highlights
Three‐roll
milling
can
disperse
wt.%
in
SiO₂
Al₂O₃
improve
CFRP.
ratio
359.22%.
Circular
minimally
reduces
first‐order
natural
frequency
Angle
affects
properties.
Polymer Composites,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 3, 2024
Abstract
The
increasing
demand
for
high‐performance
materials
in
aerospace,
automotive,
and
industrial
applications
has
driven
research
into
carbon
fiber
reinforced
polyetherketoneketone
(CF/PEKK)
composites.
This
study
introduces
a
novel
slurry
method
preparing
CF/PEKK
prepregs
investigates
the
impact
of
surface
treatments—desized
non‐desized
fibers—on
mechanical
properties
resulting
were
successfully
prepared
by
dispersing
PEKK
powder
deionized
water
to
create
slurry,
which
was
used
impregnate
fibers.
After
hot‐pressing,
testing
revealed
that
composites
with
desized
fibers
outperformed
those
tensile
strength
(3.29%),
flexural
(22.12%),
interlaminar
shear
(18.29%).
Furthermore,
exhibited
improved
toughness
(24.29%)
reduced
pull‐out
during
testing.
Scanning
electron
microscopy
(SEM)
analysis
confirmed
enhanced
fiber‐matrix
bonding
composites,
fewer
voids
better
dispersion.
These
findings
underscore
effectiveness
desizing
improving
performance
offering
potential
advanced
sectors.
Highlights
Thermoplastic
developed
using
method.
Novel
enhances
prepreg
quality
Desized
improve
interfacial
strength.
exhibit
