Frequenz,
Journal Year:
2024,
Volume and Issue:
78(5-6), P. 229 - 239
Published: Feb. 9, 2024
Abstract
Based
on
the
theory
of
coplanar
waveguide
(CPW)
transmission
line,
a
novel
microwave
non-destructive
strain
monitoring
sensor
specifically
designed
for
cement-based
material
structures
is
presented
in
this
study.
The
aim
to
establish
relationship
between
variation
S11
phase
parameter
CPW
and
structural
strain,
utilizing
linear
analysis.
feasibility
by
validated
through
simulations
experiments.
obtained
results
demonstrate
strong
correlation
change
with
goodness
fit
0.987.
simulated
exhibits
sensitivity
48.83
ppm/με,
while
experimental
measurement
shows
65.82
ppm/με.
These
findings
highlight
potential
significance
proposed
method,
offering
new
approach
that
characterized
high
sensitivity,
low
cost,
simplicity
concrete
structures.
Among
them,
cement
mortar
matrix
made
study
was
mixed
recycled
waste
glass
steel
FRP
after
certain
treatment
process.
development
method
holds
promise
advancement
health
Journal of Composites Science,
Journal Year:
2025,
Volume and Issue:
9(3), P. 121 - 121
Published: March 6, 2025
With
the
rapid
expansion
of
electronic
information
technology
and
rising
material
safety
needs,
creation
composite
materials
that
perform
both
electromagnetic
microwave
absorption
(EMA)
flame
retardancy
has
arisen
as
a
science
research
hotspot.
Metal–organic
frameworks
(MOFs)
have
great
potential
for
developing
novel
multifunctional
due
to
their
unique
structural
characteristics
customizable
functions.
This
work
presents
comprehensive
assessment
most
recent
findings
on
MOF-based
EMA-flame
retardant
dual-functional
composites.
The
fundamental
mechanisms
EMA
are
covered,
including
dielectric
loss,
magnetic
condensed-phase
gas-phase
mechanisms.
development
composites
based
Fe-MOF,
Co-MOF,
Ni-MOF,
polymetallic
MOF
in
terms
is
highlighted.
These
offer
exceptional
performance
strong
effects
thanks
designs
component
regulations.
In
addition,
some
infrared
stealth,
thermal
insulation,
hydrophobic,
mechanical
qualities.
Ultimately,
problems
possibilities
reviewed,
giving
valuable
references
new
materials.
