International Journal of Extreme Manufacturing,
Год журнала:
2022,
Номер
4(4), С. 045003 - 045003
Опубликована: Сен. 26, 2022
Abstract
Bio-inspired
porous
metallic
scaffolds
have
tremendous
potential
to
be
used
as
artificial
bone
substitutes.
In
this
work,
a
radially
graded
lattice
structure
(RGLS),
which
mimics
the
structures
of
natural
human
bones,
was
designed
and
processed
by
laser
powder
bed
fusion
martensitic
Ti-rich
TiNi
powder.
The
asymmetric
tension-compression
behaviour,
where
compressive
strength
is
significantly
higher
than
tensile
strength,
observed
in
material,
echoes
mechanical
behaviour
bones.
morphologies,
properties,
deformation
biological
compatibility
RGLS
samples
were
characterised
compared
with
those
uniform
structure.
Both
achieve
relative
density
99%.
porosities
pore
sizes
range
from
40%–80%
330–805
μ
m,
respectively,
centre
edge.
chemical
etching
has
removed
harmful
partially-melted
residual
particles
on
struts.
yield
71.5
MPa,
much
that
sample
(46.5
MPa),
despite
having
similar
about
46%.
calculated
Gibson–Ashby
equation
simulation
finite
element
suggest
dense
outer
regions
high
load-bearing
capability
could
sustain
applied
stress,
improving
overall
significantly.
cell
proliferation
study
suggests
better
structures.
findings
highlight
novel
strategy
improve
performance
additively
manufactured
implants
bio-inspiration.
Heliyon,
Год журнала:
2022,
Номер
8(3), С. e09041 - e09041
Опубликована: Март 1, 2022
The
development
of
materials
for
biomedical,
aerospace,
and
automobile
industries
has
been
a
significant
area
research
in
recent
years.
Various
metallic
materials,
including
steels,
cast
iron,
nickel-based
alloys,
other
metals
with
exceptional
mechanical
properties,
have
reportedly
utilized
fabrication
these
industries.
However,
titanium
its
alloys
proven
to
be
outstanding
due
their
enhanced
properties.
β-titanium
reduced
modulus
compared
the
human
bone
found
more
usage
biomedical
industry.
In
contrast,
α
α+β
are
fabricate
parts
aerospace
relatively
lightweight.
Amongst
numerous
additive
manufacturing
(AM)
techniques,
selective
laser
electron
beam
melting
techniques
frequently
used
components
full
densification
high
dimensional
accuracy
they
offer.
This
paper
reviews
discusses
different
types
AM
attention
is
also
drawn
properties
challenges
associated
additively
manufactured
-based
alloys.
outcome
from
this
study
shows
that
3D
printed
titanium-alloys
exhibit
huge
prospects
various
applications
medical
Also,
laser-assisted
technologies
were
most
effective
method
achieving
or
near-full
densification.
Materials,
Год журнала:
2023,
Номер
17(1), С. 114 - 114
Опубликована: Дек. 25, 2023
Titanium
alloys
have
emerged
as
the
most
successful
metallic
material
to
ever
be
applied
in
field
of
biomedical
engineering.
This
comprehensive
review
covers
history
titanium
medicine,
properties
and
its
alloys,
production
technologies
used
produce
implants,
common
uses
for
ranging
from
orthopedic
implants
dental
prosthetics
cardiovascular
devices.
At
core
this
success
lies
combination
machinability,
mechanical
strength,
biocompatibility,
corrosion
resistance.
unique
useful
traits
has
positioned
an
indispensable
engineering
applications,
enabling
safer,
more
durable,
efficient
treatments
patients
affected
by
various
kinds
pathologies.
takes
in-depth
journey
into
inherent
that
define
which
them
are
advantageous
use.
It
explores
their
techniques
fabrication
methodologies
utilized
machine
final
shape.
The
applications
then
categorized
described
detail,
focusing
on
specific
advantages
present
when
compared
other
materials.
not
only
captures
current
state
art,
but
also
future
possibilities
limitations
field.
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.
ACS Omega,
Год журнала:
2022,
Номер
7(34), С. 29526 - 29542
Опубликована: Авг. 15, 2022
Due
to
problems
such
as
the
stress-shielding
effect,
strength–ductility
trade-off
dilemma,
and
use
of
rare-earth,
expensive
elements
with
high
melting
points
in
Ti
alloys,
need
for
design
new
alloys
biomedical
applications
has
emerged.
This
article
reports
effect
various
alloying
on
compressive
mechanical
performance
first
time
a
systematic
review
following
PRISMA
(Preferred
Reporting
Items
Systematic
Reviews
Meta-Analyses)
guidelines
this
subject.
The
search
strategy
used
Scopus,
Web
Science,
PubMed
databases
searched
articles
using
(Beta-type
OR
β)
AND
Titanium
(Mechanical
property
Microstructure)
Alloying
element
keywords.
Original
from
2016
2022
published
English
have
been
selected
study
per
inclusion
criteria.
results
shown
that
Nb
can
be
primary
it
is
strong
β-stabilizer
which
also
reduces
elastic
modulus
alloys.
β-eutectic
(Fe,
Cr,
Mn)
emerged
cost-effective
could
improve
Ti–Nb–Zr–Ta
alloyed
Si
potential
withstand
dilemma.
combination
Ti–Nb
binary
alloy
an
attractive
material
designing
low
further
improved
neutral
(Zr,
Sn)
alloy.
issue
overcome
Metals,
Год журнала:
2023,
Номер
13(2), С. 194 - 194
Опубликована: Янв. 18, 2023
The
necessity
for
biomedical
components
is
increasing
every
year.
However,
Ti6Al4V,
the
most
widely
utilized
titanium
alloy
implants
are
very
costly
owing
to
high
price
of
V
alloying
element.
Furthermore,
both
elements
Al
and
V,
have
adverse
effects
in
human
body
which
not
desirable.
This
review
paper
highlights
significant
findings
on
design
using
low-cost
elements,
their
processing
routes,
relationship
microstructural,
mechanical,
biological
properties.
Mo,
Fe,
Mn,
Zr,
Cu
were
identified
as
fabrication
alloys
with
these
usually
carried
out
arc
melting,
investment
casting,
powder
metallurgy,
additive
manufacturing,
diffusion
couple,
thermomechanical
processing.
Several
routes
can
be
chosen
obtain
optimum
properties
such
β-phase
structure,
low
elastic
modulus,
strength.
Alloy
design,
post-heat
treatment
process,
fatigue
test
newly
developed
research
that
future
development
new
materials
safe
use
at
a
more
affordable
price.
Polymer Composites,
Год журнала:
2022,
Номер
43(10), С. 6749 - 6781
Опубликована: Июнь 16, 2022
Abstract
Healing
of
bone
fractures
highly
depends
on
the
biocompatibility,
stability
in
biological
conditions,
biodegradability,
technical
functionality,
and
shelf‐life
biomaterials.
Metallic
biomaterials
offer
excellent
mechanical
properties
biocompatibility.
However,
metallic
implants
result
stress
shielding,
release
toxic
ions,
excessive
wear,
corrosion.
Polymer
materials
are
being
explored
for
due
to
their
light‐weight,
absence
shielding.
In
new
era,
additive
manufacturing
(AM)
is
preferred
its
capability
fabricating
customer
specific
with
minimum
material
wastage.
AM
based
polymer
lack
strength
properties.
Surface
modification
polymeric
substrates
using
coatings
incorporation
bioadditives
have
been
regarded
as
alternatives
improvement
This
review
discusses
about
various
coating
techniques
gives
an
overview
that
can
be
used
enhancement
From
review,
it
evident
reinforcement
hydroxyapatite
polylactic
acid
resulted
prevention
crack
growth
during
shape
recovery
cycles
which
self‐fitting
implants.
Coatings
successful
enhancing
hydrophilicity,
properties,
anti‐biofouling,
antibacterial
anti‐coagulative
adhesion,
proliferation,
differentiation
cells
coated
surface.
also
challenges
need
overcome
progression
this
field.
