Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 10, 2024
Corrosion
and
degradation
of
magnesium
(Mg)
alloy
result
in
serious
damage
limit
its
application
new-energy
automobile
industry.
Considerable
protective
coating
is
proposed,
yet
it
hindered
by
the
difficulties
avoiding
visually
monitoring
micro-damage
localized
metal
corrosion.
Herein,
a
novel
anticorrosion
system
with
autonomously
multiple
levels
damages
coated
Mg-alloy
system,
proposed.
In
this
design,
top
layer
consists
polymethyl
methacrylate
(PMMA)
microcapsules
containing
crystal
violet
lactone
(CVL)
polyurethane
resin
dispersed
SiO
ACS Omega,
Journal Year:
2024,
Volume and Issue:
9(16), P. 17760 - 17783
Published: April 8, 2024
Natural
nano-minerals
(NNMs)
are
minerals
that
derived
from
nature
with
a
size
of
less
than
100
nm
in
at
least
one
dimension
size.
NNMs
have
number
excellent
properties
due
to
their
unique
nanostructure
and
been
applied
various
fields
recent
years.
They
rising
stars
disciplines,
such
as
materials,
biomedicine,
chemistry,
taking
advantage
huge
surface
area,
multiple
active
sites,
adsorption
capacity,
large
quantity,
low
cost,
nontoxicity,
etc.
To
provide
more
comprehensive
overview
the
biomedical
applications
NNMs-based
nanocomposites,
this
review
classifies
into
three
types
by
dimension,
lists
structure
typical
NNMs,
illustrates
applications.
Furthermore,
novel
concept
natural
nanomineral
medical
materials
(NNMMs)
is
proposed,
focusing
on
value
NNMs.
In
addition,
attempts
address
current
challenges
delineate
future
directions
for
advancement
With
deepening
applications,
it
believed
NNMMMs
will
inevitably
play
an
important
role
field
human
health
contribute
its
promotion.
Journal of Materials Science,
Journal Year:
2024,
Volume and Issue:
60(2), P. 823 - 843
Published: Dec. 30, 2024
The
antibacterial
properties
and
corrosion
resistance
of
magnesium-based
materials
are
critical
to
the
safety
reliability
medical
equipment.
As
a
promising
metallic
biomaterial
for
such
applications,
must
address
significant
concerns
regarding
potential
various
components
bacterial
contamination
in
operating
rooms
other
environments.
Ensuring
that
equipment
remains
safe
dependable
is
paramount,
as
these
issues
can
compromise
effectiveness
integrity
devices.
This
study
evaluated
synergistic
effects
micro-arc
oxidation
(MAO)
process
combined
with
phytic
acid
(PA)
treatment
on
AZ91
alloys
basic
media.
assessment
focused
surface
topography,
electrochemical
response,
immersion
experiments,
properties,
comparing
results
those
bare
substrate
MAO-based
coatings.
indicate
adding
4
g
nano-TiO2
per
liter
MAO
electrolyte
generates
MgO,
MgSiO4,
TiO2
surface.
These
compounds
act
barrier,
preventing
rapid
degradation
thereby
slowing
rate.
At
60
°C,
60-min
yields
best
resistance,
which
an
order
magnitude
higher
than
Furthermore,
this
reduced
survival
rate
Escherichia
coli
under
wavelengths
ultraviolet
light.
