Coatings,
Journal Year:
2025,
Volume and Issue:
15(5), P. 502 - 502
Published: April 23, 2025
Magnesium–lithium
alloys,
currently
the
lightest
metallic
structural
materials,
exhibit
exceptional
specific
strength,
superior
damping
capacity,
and
remarkable
electromagnetic
shielding
properties.
These
characteristics
endow
them
with
significant
potential
for
engineering
applications
in
automotive,
aerospace,
satellite,
military
industries.
However,
their
poor
corrosion
resistance
severely
restricts
practical
implementation.
This
review
systematically
examines
recent
advances
surface
techniques
magnesium–lithium
a
focus
on
protection
strategies.
Key
approaches
are
critically
analyzed,
including
chemical
conversion
coatings,
electroless
plating,
anodization,
advanced
coating
technologies.
Furthermore,
emerging
hybrid
methods
combining
multiple
treatments
highlighted.
Finally,
future
research
directions
proposed
to
address
existing
challenges
of
alloys.
Surface Engineering,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 2, 2025
Layered
double
hydroxides
(LDHs)
exhibit
anion
exchange
properties
and
adjustable
characteristics,
which
make
them
suitable
for
applications
in
the
field
of
anticorrosion.
However,
smooth
growth
pattern
a
single
LDHs
nanosheet
limits
its
effectiveness
blocking
corrosive
media.
Graphene
oxide
(GO)
has
large
specific
surface
area
numerous
oxygen-containing
functional
groups
on
surface,
can
form
strong
interactions
with
polar
molecules.
This
inhibits
migration
small
ions,
such
as
Cl
−
.
In
this
work,
Ce
was
incorporated
into
micro-arc
oxidation
(MAO)
coating
AZ31
alloy
by
immersion
cerium
salt
solution,
GO
using
hydrothermal
solution
to
prepare
layered
hydroxide
composite
(Ce/LDHs-G).
The
significance
charge
transfer
resistance
(
R
ct
)
mainly
reflects
process
at
electrode/electrolyte
interface.
Ce/LDHs-G
increased
one
order
magnitude
compared
MAO
coating.
corrosion
current
density
i
corr
3.73
×
10
−8
A
cm
−2
,
lower
than
that
(1.56
−6
).
Additionally,
cumulative
hydrogen
evolution
over
336
h
lower,
indicating
provides
effective
protection
alloy.
