Nanomaterials,
Год журнала:
2024,
Номер
14(7), С. 577 - 577
Опубликована: Март 26, 2024
Titanium
and
its
alloys
are
extensively
applied
in
artificial
tooth
roots
because
of
their
excellent
corrosion
resistance,
high
specific
strength,
low
elastic
modulus.
However,
biological
inertness,
surface
needs
to
be
modified
improve
the
osteointegration
titanium
implants.
The
preparation
biologically
active
calcium–phosphorus
coatings
on
an
implant
is
one
effective
method
for
enhancing
likelihood
bone
integration.
In
this
study,
osteoinductive
peptides
were
extracted
from
oyster
shells
by
using
acetic
acid.
Two
peptide-containing
hydroxyapatite
(HA)
composite
then
prepared:
coating
was
prepared
hydrothermally
synthesizing
HA
presence
(HA/P/M),
other
immersing
synthesized
a
peptide
solution
(HA/P/S).
Characterization
results
indicated
that
containing
shell-based
successfully
alkali-treated
pure
surfaces.
HA/P/M
HA/P/S
found
exhibit
hydrophilicity.
Protein
adsorption
tests
confirmed
had
approximately
2.3
times
higher
concentration
adsorbed
proteins
than
coating.
Materials & Design,
Год журнала:
2024,
Номер
241, С. 112850 - 112850
Опубликована: Март 13, 2024
The
increasing
demand
for
orthopedic
implants
has
driven
the
search
materials
that
combine
strength,
biocompatibility,
and
long
lifetime.
Compared
to
stainless
steel
Co-Cr-based
alloys,
titanium
(Ti)
its
alloys
are
favored
biomedical
because
of
their
high
corrosion
resistance,
biocompatibility.
This
comprehensive
review
delivers
a
wide
overview
field
titanium-based
biomaterials
applications,
focusing
on
types,
mechanical
chemical
surface
modifications,
innovations
in
fabrication
techniques,
matrix
composites,
machine
learning
advancements.
Titanium
different
crystalline
phases,
including
α,
near-α,
(α
+
β),
β,
shape
memory
offer
diverse
options
applications.
Strengthening
properties,
wear,
fatigue,
resistance
crucial
factors
influencing
performance
reliability
implants.
Moreover,
this
discussed
challenges
biomaterial
durability
through
modifications
enhance
biofunction,
wear
antibacterial
properties.
Recent
developments
techniques
also
discussed.
Eventually,
investigated
how
(ML)
revolutionized
by
providing
insights
into
behavior
new
aiding
manufacturing
optimization,
allowing
real-time
quality
control,
advancing
development
personalized,
biocompatible,
reliable
Progress in Materials Science,
Год журнала:
2024,
Номер
144, С. 101277 - 101277
Опубликована: Март 8, 2024
The
use
of
biomedical
metallic
materials
in
research
and
clinical
applications
has
been
an
important
focus
a
significant
area
interest,
primarily
owing
to
their
role
enhancing
human
health
extending
lifespan.
This
article,
particularly
on
titanium-based
alloys,
explores
exceptional
properties
that
can
address
bone
issues
amid
the
growing
challenges
posed
by
aging
population.
Although
stainless
steel,
magnesium-based
cobalt-based
other
are
commonly
employed
medical
applications,
limitations
such
as
toxic
elements,
high
elastic
modulus,
rapid
degradation
rates
limit
widespread
applications.
Therefore,
alloys
have
emerged
top-performing
materials,
gradually
replacing
counterparts
various
article
extensively
examines
highlights
along
with
in-depth
discussion
currently
utilized
inherent
limitations.
To
begin
with,
essential
requirements
for
load-bearing
biomaterials
introduced.
Then,
summarized
compared.
Afterward,
microstructure,
properties,
preparations
explored.
Furthermore,
surface
modification
methods
discussed
enhance
biocompatibility,
wear
resistance
corrosion
resistance.
Finally,
proposes
development
path
conjunction
additive
manufacturing
novel
alloy
nitinol.
Titanium
and
titanium
alloys
remain
the
gold
standard
for
dental
orthopedic
implants.
These
materials
are
heavily
used
because
of
their
bioinert
nature,
robust
mechanical
properties,
seamless
integration
with
bone.
However,
implant-associated
infections
(IAIs)
one
leading
causes
implant
failure.
Eradicating
an
IAI
can
be
difficult
since
bacteria
form
biofilms
on
medical
implant,
protecting
bacterial
cells
against
systemic
antibiotics
host's
immune
system.
If
infection
is
not
treated
promptly
aggressively,
device
failure
inevitable,
to
costly
multi-step
revision
surgeries.
To
circumvent
this
dire
situation,
scientists
engineers
continue
develop
novel
strategies
protect
surface
implants
from
bacteria.
In
review,
details
emerging
prevent
in
reported.
include
anti-adhesion
properties
provided
by
polymers,
superhydrophobic,
superhydrophilic,
liquid-infused
coatings,
as
well
coatings
employed
lyse
Additionally,
commercially
available
technologies
those
under
preclinical
trials
examined
while
discussing
current
future
trends.
Metals,
Год журнала:
2025,
Номер
15(2), С. 122 - 122
Опубликована: Янв. 26, 2025
This
study
investigates
a
novel
short
electric
arc
vertical
turning
method
for
machining
titanium
alloy
shafts.
The
was
successfully
applied
to
rods,
and
its
effects
on
material
removal
rate
(MRR),
surface
roughness,
roundness,
cross-sectional
morphology
were
analyzed
at
varying
processing
voltages.
results
indicate
that
the
MRR
quality
improve
with
increased
voltage,
reaching
maximum
of
231
mm3/min
26
μm
roughness
32
V.
However,
deteriorates
higher
duty
cycles
voltages
due
unstable
discharges.
Roundness
deviations
are
minimized
rotational
speeds,
which
enhance
uniform
stability.
Metallographic
analysis
revealed
an
heat-affected
zone
recast
layer
thickness
demonstrates
high
efficiency
improved
quality,
making
it
suitable
shaft
manufacturing
in
advanced
engineering
applications.
Materials,
Год журнала:
2024,
Номер
17(4), С. 934 - 934
Опубликована: Фев. 17, 2024
This
literature
review
indicates
that
the
basic
microstructure
of
Ti6Al4V
is
bimodal,
consisting
two
phases,
namely
α
+
β,
and
it
occurs
after
fabrication
using
conventional
methods
such
as
casting,
plastic
forming
or
machining
processes.
The
components
via
an
additive
manufacturing
process
significantly
changes
properties
Ti6Al4V.
Due
to
rapid
heat
exchange
during
treatment,
bimodal
transforms
into
a
lamellar
microstructure,
which
consists
phases:
α'
β.
Despite
application
optimum
printing
parameters,
3D
printed
products
exhibit
typical
surface
defects
discontinuities,
in
turn,
finishing
shot
peening
recommended.
A
signalizes
electropolishing
processes
positively
impact
corrosion
behavior,
mechanical
condition
layer
conventionally
manufactured
titanium
alloy.
On
other
hand,
there
lack
studies
combining
one
hybrid
for
additively
alloys,
could
synthesize
benefits
both
Therefore,
this
paper
clarifies
effects
treatment
on
alloys
shows
effect