Research Square (Research Square),
Год журнала:
2023,
Номер
unknown
Опубликована: Ноя. 7, 2023
Abstract
Temperature-adaptive
Ni
3
Al-based
self-lubricating
alloys
prepared
by
powder
metallurgy
were
investigated
and
evaluated
over
a
wide
temperature
range.
Al-Ag-V
exhibit
excellent
properties
wear
resistance
range,
especially
for
the
Al-20
wt%Ag-5
wt%V
alloy
with
friction
coefficients
as
low
0.26
0.23
at
room
900°C,
respectively,
rates
5
×
10
−
6
mm
/Nm
4
in
turn.
It
is
proposed
lubrication
mechanism
that
temperature-adapted
provided
soft
metal
Ag
temperatures
AgVO
VO
produced
tribo-chemical
reactions
high
temperatures.
Nanomaterials,
Год журнала:
2025,
Номер
15(8), С. 623 - 623
Опубликована: Апрель 18, 2025
Laser-induced
graphene
(LIG)
has
become
a
promising
stealth
material
due
to
its
excellent
electromagnetic
loss
characteristics
in
the
terahertz
and
microwave
bands
(2–18
Ghz)
advantages
of
low-cost
large-scale
manufacturing.
With
rapid
advancement
detection
technologies
toward
multispectral
high-dynamic-range
capabilities,
there
is
an
increasing
demand
for
LIG-based
materials
with
superior
absorption
performance.
The
synergistic
design
functional
doping
structural
configurations
been
identified
as
critical
approach
achieve
high
shielding
performance
composites.
This
article
briefly
reviews
developmental
progress
materials,
particular
emphasis
on
mechanisms
tailored
applications.
Furthermore,
we
propose
potential
future
development
pathways
facilitate
their
transition
broader
practical
IGI Global eBooks,
Год журнала:
2025,
Номер
unknown, С. 1 - 34
Опубликована: Июнь 4, 2025
The
creation
of
sophisticated
protective
coatings
and
surface
treatments
has
been
pushed
by
the
need
for
high-performance
materials
in
contemporary
defense
systems.
These
technologies
are
essential
increasing
functionality,
dependability,
service
life
structural
elements
that
operate
harsh
conditions
such
high
temperatures,
corrosive
atmospheres,
mechanical
stress.
A
thorough
review
coating
techniques,
including
as
metallic,
ceramic,
polymeric,
nanocomposite
systems,
is
given
this
chapter.
In
addition
to
cutting-edge
deposition
methods
chemical
vapor
(CVD),
physical
(PVD),
sol-gel
processing,
plasma
spraying,
emphasis
on
fundamental
mechanisms
protection,
barrier
development,
self-healing,
anti-corrosion,
thermal
resistance.
To
demonstrate
real-world
applications,
case
studies
pertaining
aerospace,
maritime,
military
applications
examined.
