Coatings,
Journal Year:
2025,
Volume and Issue:
15(3), P. 354 - 354
Published: March 19, 2025
Developing
aramid
fiber
(AF)
with
electromagnetic
interference
(EMI)
shielding
properties
is
of
significant
importance
for
expanding
their
applications
in
the
military,
aerospace,
and
industrial
sectors.
Current
research
on
EMI
AF
often
encounters
challenges
such
as
structural
damage
to
fibers
inadequate
performance.
In
this
study,
we
used
vacuum-assisted
filtration
technology
sequentially
deposit
nanofiber
(ANF)
MXene
onto
surface
fabric,
thus
preparing
ANF/MXene/AF
composite
fabric.
MXene,
its
large
specific
area
excellent
electrical
conductivity,
was
conjunction
ANF,
which
acts
an
intermediate
layer
effectively
filter
improve
interfacial
adhesion
between
AF.
The
results
showed
that,
under
combined
effects
reflection
absorption,
A20M40
sample
achieved
average
SE
78.1
dB
X-band,
meeting
requirements
both
civilian
military
applications.
Additionally,
fabric
exhibited
electrothermal
conversion
performance
(surface
temperature
reached
120
°C
within
32
s
5
V)
photothermal
85
after
145
exposure
1500
W/m2
light
intensity).
Furthermore,
flame-retardant
significantly
enhanced
compared
pure
due
physical
barrier
effect
MXene.
Materials & Design,
Journal Year:
2024,
Volume and Issue:
242, P. 112989 - 112989
Published: April 29, 2024
Aramid
fibers
(AFs)
are
widely
applied
as
structural
material,
cordage,
and
versatile
protection
in
many
harsh
environments,
including
space
deep
sea.
However,
intense
ultraviolet
(UV)/
irradiation,
high/low
temperatures,
and/or
chemical
solvent
with
strong
acid/alkali/corrosion
feature
seriously
affect
their
mechanical
properties,
thus
severely
shorten
the
life
cycle
of
AF-based
products.
Inspiration
by
principle
multiple
refractions
partly
reflections,
an
innovative
strategy
depositing
laminated
Al2O3/TiO2
composite
onto
surface
poly(m-phenylene
isophthalamide)
(PMIA)
via
atomic
layer
deposition
(ALD)
technique
was
presented.
The
tenacity
ALD-coated
PMIA
only
decreases
∼
8
%,
yellowness
index
(YI)
increasing
to
129.24
far
lower
than
321.63
%
pristine
fabric
under
combination
UV
irradiation
(4260
W/m2)
high
temperature
(200
°C
+
)
for
6
h,
which
equals
continuous
sunlight
exposure
approximately
7.5
years.
Meanwhile,
UPF
value
increased
126.4,
is
double
that
fabric,
exhibiting
impressive
UV-resistance
property.
Furthermore,
PMIAs
also
shows
a
significant
enhancement
both
thermal
stabilities.
In
all,
this
work
not
forge
new
route
functionalization
fibrous
materials,
but
exhibits
great
promise
next
generation
advanced
material
cutting-edge
equipment
environment.
Engineered Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Additive
manufacturing
(AM),
also
known
as
3D
printing
(3DP)
has
revolutionized
the
development
of
components
with
complex
shapes,
enabling
better
developed
surfaces
favoring
aerodynamic
using
moldable,
and
easy-to-reuse
materials
for
aerodynamics,
hydrodynamics,
energy,
transportation
industries.One
industry
that
been
benefited
from
this
progress
is
wind
generation
industry.In
research,
a
small-scale
H-Darrieus
type
turbine
designed
to
be
manufactured
by
printer,
filament
polyethylene
glycol
terephthalate
(PETG)
carbon
fiber.The
was
made
laboratory
scale
height
diameter
0.20
m
0.22
m,
respectively,
tested
later
in
tunnel.The
maximum
power
coefficient
obtained
0.21
at
tip
speed
ratio
(TSR)
0.12.The
life
cycle
analyzed
considering
process,
operation,
its
disassembly
recycled
or
reused.Results
show
turbines
such
sustainable
solution
environment
communities.This
research
shows
innovative
results
design,
materials,
environmental
impact
calculations
low
turbine.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 23, 2024
Abstract
The
seamless
integration
of
advanced
triboelectric
nanogenerators
with
fiber
material
has
propelled
the
rapid
advancement
intelligent
wearable
electronics.
overheating
and
mechanical
abrasion
associated
prolonged
operation
poses
a
significant
challenge
for
conventional
fiber‐based
materials.
Aramid
fibers,
characterized
by
high
thermal
stability,
ultra‐high
strength,
excellent
insulating
properties,
can
effectively
compensate
limitations
However,
intrinsic
advantages
aramid
materials
their
general
structural
design
strategies
have
not
yet
to
be
comprehensively
elucidated.
In
this
review,
synthesis
methods
development
history
in
recent
years
are
summarized.
Importantly,
unique
potential
fibers
as
systematically
discussed,
particularly
regarding
high‐temperature
resistance,
electrical
insulation.
Furthermore,
latest
advancements
performance
modulation
presented.
self‐powered
electronics
warning,
impact
monitoring,
human
energy
harvesting
Finally,
challenges
opportunities
facing
future
discussed.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(26), P. 16022 - 16033
Published: Jan. 1, 2024
Herein,
PEO-based
composite
polymer
electrolytes
enhanced
by
Janus
nanofibers
with
multiple
Li
+
transport
channels
and
outstanding
thermal
stability
were
prepared,
which
exhibit
ultra-long
cycle
in
all-solid-state
lithium
metal
batteries.
