Journal of Innovations in Medical Research,
Journal Year:
2023,
Volume and Issue:
2(10), P. 36 - 54
Published: Oct. 1, 2023
Bone
implants
are
currently
a
solution
for
the
treatment
of
large
bone
defects.
The
structural
design
and
manufacture
complex
tissue
engineering
scaffolds
can
be
realized
by
using
additive
manufacturing
technology.
Advances
in
techniques
continued
emergence
related
materials
provide
different
opportunities
new
implant
to
achieve
challenging
requirements
proposed
implants.
purpose
this
review
is
present
current
status
analyze
advantages
disadvantages
various
Five
(multilayer
deposition
forming,
ink
direct
writing,
laser
melting,
sintering,
light
curing
reviewed.)
required
technology,
thus
put
forward
research
development
direction
suitable
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 8, 2025
Abstract
Proposal:
This
article
proposes
a
mathematical
behavioural
model
implemented
in
MCalibration™
to
capture
the
mechanical
response
of
specimens
made
glass
fibre-filled
polylactic
acid
(PLA/GF).
The
aim
was
validate
influence
different
printing
parameters
on
resulting
properties
through
simulations.
Method:
were
manufactured
according
geometric
specifications
ASTM
D638
tensile
testing
standard
using
various
densities
and
packing
patterns.
experiments
carried
out
at
quasi-static
strain
rate,
obtaining
experimental
stress-strain
curve
data,
which
revealed
behaviour
typical
semi-crystalline
polymers.
A
viscoelastic/viscoplastic
subsequently
calibrated,
achieving
prediction
94.26%,
compared
with
mean
absolute
difference
(NMAD)
8.18
coefficient
determination
(R²)
0.942.
Finally,
curves
fitted
for
constants
each
pattern
based
increasing
density.
Results:
fits
achieved
rate
over
90.39%.
Using
equations,
simulations
performed
90%.
validates
proposed
predicting
elements
printed
PLA/GF.
Polymer Testing,
Journal Year:
2023,
Volume and Issue:
130, P. 108320 - 108320
Published: Dec. 28, 2023
Understanding
the
mechanical
behaviour
of
additively
manufactured
(AM)
biomedical
polymeric
devices
under
various
loading
regimes
is
important
for
tailoring
their
design
to
specific
applications.
This
paper
presents
results
an
experimental
study
compressive
properties
AM
cubic
samples
biocompatible
polylactic
acid
(PLA)
with
fused
filament
fabrication.
The
measured
elastic
modulus
and
ultimate
compression
strength
were
compared
analysed
varying
testing
parameters,
such
as
strain
rate
contact
friction,
different
characteristic
sizes.
changes
in
density
also
assessed
evaluation
extent
material
compaction
after
deformation.
Surface
morphology
specimens
was
examined
before
tests
using
scanning
electron
optical
microscopy.
Different
types
defects
induced
by
manufacturing
process
caused
subsequent
deformation
studied
compared.
obtained
are
useful
optimization
small-size
devices,
which
require
precise
control
structural
behaviour.
Progress in Biomedical Engineering,
Journal Year:
2024,
Volume and Issue:
7(1), P. 012003 - 012003
Published: Oct. 16, 2024
Abstract
The
design
and
optimization
of
bone
scaffolds
are
critical
for
the
success
tissue
engineering
(BTE)
applications.
This
review
paper
provides
a
comprehensive
analysis
computational
methods
scaffold
architecture,
focusing
on
balance
between
mechanical
stability,
biological
compatibility,
manufacturability.
Finite
element
method
(FEM),
fluid
dynamics
(CFD),
various
algorithms
discussed
their
roles
in
simulating
refining
designs.
integration
multiobjective
topology
has
been
highlighted
developing
that
meet
multifaceted
requirements
BTE.
Challenges
such
as
need
consideration
manufacturing
constraints
incorporation
degradation
regeneration
models
into
process
have
identified.
underscores
potential
advanced
tools
additive
techniques
evolving
field
BTE,
aiming
to
improve
patient
outcomes
regeneration.
reliability
current
is
examined,
with
suggestions
incorporating
non-deterministic
approaches
vivo
validations
enhance
practical
application
optimized
scaffolds.
concludes
call
further
research
artificial
intelligence-based
advance
optimization.
Advanced Engineering Materials,
Journal Year:
2024,
Volume and Issue:
26(8)
Published: Feb. 28, 2024
Plants
such
as
Galium
aparine
show
directional
gripping
to
various
surfaces
because
of
their
microscale
hook
structures.
A
bio‐inspired
artificial
version
microhooks
holds
potential
a
bidirectional,
reversible,
and
reusable
dry
adhesive
for
soft,
wet,
or
fibrous
substrates
skin
textiles.
However,
current
methods
fabricating
3D
structures
are
often
costly,
time‐consuming,
require
precise
alignment
steps.
Herein,
facile,
cost‐effective,
scalable,
unconventional
microfabrication
technique
is
proposed
using
tilted
photolithography
on
rotary
stage
shear
molding
fabricate
soft
polydimethylsiloxane
polymer
mold
containing
the
inverse
replica
microneedle
To
demonstrate
proof‐of‐concept,
polyurethane
then
added
obtain
microneedles,
referred
microhooks.
Friction
force
measurements
nanotribometer
anisotropic
performance
(strong
attachment
in
one
direction
easy
detachment
opposite
over
multiple
cycles)
similar
natural
Tribological
characterization
shows
2.25
times
greater
than
sliding
force.
The
fabricated
microhook
also
provide
an
adhesion
≈0.62
N
cm
−2
skin.
This
biomimetic
approach
promises
control
material
versatility
attaching
wearable
devices
patches
biomedical
applications.
Journal of Composites Science,
Journal Year:
2023,
Volume and Issue:
8(1), P. 12 - 12
Published: Dec. 29, 2023
The
transformation
of
powertrains,
powered
by
internal
combustion
engines,
into
electrical
systems
generates
new
challenges
in
developing
lightweight
materials
because
electric
vehicles
are
typically
heavy.
It
is
therefore
important
to
develop
and
seek
more
aesthetic
environmentally
friendly
designs
whilst
integrating
manufacturing
processes
that
contribute
reducing
the
carbon
footprint.
At
same
time,
this
research
explores
development
prototypes
custom
components
using
printed
composite
materials.
In
framework,
it
essential
formulate
approaches
estimate
fatigue
life,
specifically
for
tailored
fabricated
with
these
kinds
advanced
This
study
introduces
a
novel
life
prediction
approach
based
on
an
artificial
neural
network.
When
presented
given
inputs,
network
trained
predict
accumulation
damage
temperature
generated
during
cyclic
loading,
along
mechanical
properties
compound.
Its
validation
involves
comparing
network’s
response
load
ratio
result,
which
can
be
calculated
parameter.
Comparing
both
results,
successfully
accumulation;
implies
ability
directly
employ
data
behavior
component,
eliminating
necessity
experimental
testing.
Then,
current
designed
accumulated
Onyx
matrix
Kevlar
reinforcement.
Journal of Biomaterials Applications,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 4, 2024
Fabricating
scaffolds
using
three-dimensional
(3D)
printing
is
an
emerging
approach
in
tissue
engineering
(TE),
where
filaments
with
a
controlled
arrangement
are
printed.
Using
fused
deposition
modeling
bone
replacement
enables
the
simulation
of
structure.
However,
microenvironment
created
by
scaffold
must
meet
specific
requirements.
These
requirements
aim
to
create
environment
that
promotes
adhesion,
proliferation,
differentiation,
and
cell
migration.
One
challenges
creating
polylactic
acid
controlling
degradation
rate
match
target
tissue.
This
study
investigates
different
geometries
relationship
between
scaffolds’
geometry
rate.
made
prepared
3D
printing.
The
lattice
was
exposed
acidic
media
varying
pH
levels
for
1
month,
pH2
selected
all
further
investigation.
five
were
then
immersed
desired
2
months,
measurements
taken
wet
weight,
dry
morphology,
molecular
crystallinity
during
degradation.
results
showed
hexagonal
sample
had
1.5%
increase
gyroid
1.2%
increase,
indicating
wavy
shapes
higher
fluid-holding
capacity.
analysis
indicated
accelerated
compared
other
geometries.
Based
on
these
findings,
it
can
be
concluded
filament
separation
not
only
rapid
cooling
prevents
recovery
crystalline
but
also
increases
surface
area
volume
ratio,
allowing
more
penetration
faster
Finally,
mechanical
properties
vitro
evaluation
assessed
three
On
60th
day,
highest
elastic
modulus
value
105
±
0.45
MPa,
while
lowest
58.8
0.40
MPa.
amount
attachment,
210.88
0.35
cells
surviving
after
24
hours
94.01
0.18
72
hours.
high
viability
rates
indicate
suitable
promoting
growth.
Advanced Engineering Letters,
Journal Year:
2023,
Volume and Issue:
2(3), P. 105 - 113
Published: Jan. 1, 2023
The
X-ray
diffractometer
in
the
laboratory
is
a
crucial
instrument
for
analyzing
materials
science.
It
can
be
used
on
almost
any
crystal
material,
and
if
machine
parameters
are
appropriately
controlled,
it
offer
lot
of
information
about
sample’s
characteristics.
Nevertheless,
data
obtained
from
these
machines
complicated
by
an
aberration
function
that
resolved
through
calibration.
In
this
study,
powder
comprising
Barium
Sulfate
(BaSO4),
Zinc
Oxide
(ZnO)
Aluminum
(Al)
was
as
first
sample
single
comprised
Gallium
Nitride
(GaN)
(Al2O3).
required
calibration
namely:
Straight
Beam
Alignment,
Cut
Alignment
Sample
Tilt
two
samples
were
analyzed
carried
out.
Using
results
spectrum,
important
such
corresponding
planes
peak
positions,
d-spacing
planes,
intensities,
smallest
crystallite
sizes
lattice
parameters,
comparison
with
reference
all
As
another
result,
out-of-plane
alignment
Full-Width-
at
Half-Maximum
(FWHM)
value
GaN
could
determined
using
rocking
curve.
Journal of Innovations in Medical Research,
Journal Year:
2023,
Volume and Issue:
2(10), P. 36 - 54
Published: Oct. 1, 2023
Bone
implants
are
currently
a
solution
for
the
treatment
of
large
bone
defects.
The
structural
design
and
manufacture
complex
tissue
engineering
scaffolds
can
be
realized
by
using
additive
manufacturing
technology.
Advances
in
techniques
continued
emergence
related
materials
provide
different
opportunities
new
implant
to
achieve
challenging
requirements
proposed
implants.
purpose
this
review
is
present
current
status
analyze
advantages
disadvantages
various
Five
(multilayer
deposition
forming,
ink
direct
writing,
laser
melting,
sintering,
light
curing
reviewed.)
required
technology,
thus
put
forward
research
development
direction
suitable
