Polymer Composites,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 31, 2024
Abstract
This
study
aims
to
develop
a
novel
conformal
composite
structure
with
integrated
stealth
and
load
bearing.
Specifically,
the
sandwich
graphene
honeycomb
(SCGH)
was
proposed
used
as
electromagnetic
(EM)
window
of
overall
structure.
The
multi‐layered
gradient
impedance
designed
prepared
through
chemical
self‐assembly
process
vacuum
infusion
process.
EM
reflectivity
at
different
incident
angles
experimentally
tested
reveal
absorption
properties
SCGH.
measured
results
show
that
SCGH
exhibits
excellent
characteristics.
Across
frequency
range
2–18
GHz,
reflection
loss
(RL)
is
less
than
−10
dB.
maximum
RL
−63
dB
7.3
GHz.
In
addition,
not
very
sensitive
angle
waves.
uniform
loading
test
conducted
on
open
(SOW),
deformation
characteristics
typical
damage
modes
are
revealed.
local
stiffness
SOW
reduced
by
window,
leading
significant
in
corner
areas.
primary
mode
under
fiber
fracture,
occurring
four
corners
due
large
deformation.
provides
reference
basis
for
structural
design
performance
analysis
Highlights
Designed
window.
Revealed
Investigated
mechanical
failure
mechanism
Coatings,
Journal Year:
2024,
Volume and Issue:
14(5), P. 607 - 607
Published: May 11, 2024
It
is
essential
to
develop
electromagnetic
(EM)
wave-absorbing
materials
with
exceptional
versatility
address
a
variety
of
applications,
including
anti-radar
stealth,
EM
radiation
protection,
and
interference
shielding.
wave
absorption
coatings,
mainly
composed
matrices
absorbers,
have
excellent
practical
performance.
Researchers
been
developing
advanced
coating
properties
like
thin,
light,
broadband,
anti-aging.
This
review
summarizes
the
recent
progress
in
design
principles,
feedstocks,
manufacturing
techniques,
performance
evaluation
methods,
applications.
Finally,
current
challenges
future
research
directions
are
discussed.
