Surface Engineering of Ti13Zr13Nb Biomaterial Alloy with Gold Via Laser Melting for Enhanced Biocompatibility and Functional Performance
Metallurgical and Materials Transactions A,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 29, 2025
Язык: Английский
Surface Engineering of Ti13zr13nb Biomaterial Alloy with Gold Via Laser Melting for Enhanced Biocompatibility and Functional Performance
Опубликована: Янв. 1, 2024
The
potential
of
intermetallics
like
Ti3Au
in
biomaterials
to
possess
improved
mechanical
properties
and
reduced
susceptibility
corrosion
body
fluids
has
been
noted.
use
surface
layers
enriched
with
can
contribute
enhancing
the
utility
bone
dental
implants,
as
well
materials
for
contact
fluids,
i.e.
blood,
ventricular
assist
devices.
This
study
concentrates
on
dynamic
thermal
trajectories
laser
processing
mechanistic
effects
convection
during
process
determine
influence
laser-assisted
enabling
formation
layer.
test
also
covers
wear
aspect
laser-formed
gold-enriched
TiZrNb
alloy
under
physiological
walk
conditions
combined
nanoindentation
assessment,
together
cytotoxicity
examination
confirm
usability
original
method
forming
such
biocompatible
durable
layers.
A
comparative
analysis
results
obtained
based
a
series
parameters
ranging
from
2.0-3.0
mm/s
scan
speed
at
75-125
W
power
was
carried
out,
theoretical
simulation
Representative
Volume
Element
(RVE)
non-gold-enriched
material,
pure
gold,
were
referenced.
indicate
an
increase
hardness
growth
nanocrystals
matrix,
no
observed.
enthalpy
curves
investigation
are
essential
future
optimization
process.
Язык: Английский
Antibacterial Ti-Cu and Ta-Cu Coatings for Endoprostheses Applied by Magnetron Sputtering onto Ti6Al4V Alloy
Advances in Materials Science,
Год журнала:
2024,
Номер
24(4), С. 23 - 41
Опубликована: Дек. 1, 2024
Abstract
The
paper
presents
new
results
of
manufacturing
coatings
by
magnetron
sputtering
to
improve
the
functional
properties
joint
endoprostheses.
antibacterial
Ti-Cu
and
Ta-Cu
deposited
DC
multi-magnetron
on
Ti6Al4V
alloy
substrates
subjected
gas-abrasive
treatment
have
been
investigated.
roughness
substrate
was
measured
optical
profilometry.
coating
hardness
elastic
modulus
were
estimated
nanoindentation
methods;
adhesion
characteristics
assessed
Rockwell
test.
Scanning
electron
microscopy
with
energy-dispersive
X-ray
analysis
verified
application
25
at.%
Cu,
at
thicknesses
2
μm
10
roughened
alloy.
All
demonstrated
sufficient
adhesion,
whereas
generally
revealed
higher
hardness,
while
decreased
increasing
thickness.
Staphylococcus
aureus
strains
used
for
in
vitro
study
coatings.
largest
zones
inhibition
bacteria
S.
23
mm
observed
µm
release
dynamics
Cu
ions
from
into
physiological
solution
analyzed
over
seven
days
via
inductively
coupled
plasma
mass
spectrometry,
matched
zone
growth.
thickness
provided
weaker
effect.
optimal
parameters
Ti6Al4
selected.
These
findings
support
potential
these
developing
endoprosthesis
implants
enhanced
antimicrobial
wear-resistant
Язык: Английский