Advances in Materials Science and Engineering,
Год журнала:
2023,
Номер
2023, С. 1 - 13
Опубликована: Сен. 30, 2023
Additive
manufacturing
has
revolutionized
the
industry,
particularly
in
aerospace.
This
paper
provides
an
overview
of
advancements,
state-of-the-art,
challenges,
and
future
additive
aerospace
industry.
It
begins
by
discussing
workflow
comparison
software
required
for
modeling
slicing
designed
models.
Various
types
processes
used
industry
with
their
postprocessing
challenges
solutions
are
also
presented
detail.
Besides,
limitations
that
come
use
outlined.
The
investigated
given
several
advantages
such
as
ability
to
produce
complex
geometries,
reduce
material
waste,
improve
design
flexibility.
looks
promising,
potential
even
more
cost-effective
efficient
production.
concludes
proven
be
a
game-changer
presenting
different
advanced
components
detail,
continued
research
development
shaping
With
advancements
technology
processes,
can
overcome
become
reliable
alternative
traditional
methods.
Additive manufacturing,
Год журнала:
2024,
Номер
81, С. 104010 - 104010
Опубликована: Янв. 30, 2024
Isotropy
is
a
desired
characteristic
in
cellular
structures
for
load
bearing
and
energy
absorption
applications
that
must
respond
uniformly
under
external
loads
all
orientations.
Triply
periodic
minimal
surface
(TPMS)
are
attracting
much
attention
such
due
to
their
demonstrated
high
performance,
tailorable
properties,
open
cell
architecture.
However,
TPMS
usually
display
stiffness
anisotropy.
In
this
work,
new
design
strategies
presented
isotropic
TPMS-based
structures,
revealing
large
available
space
terms
of
relative
density
stiffness.
The
first
strategy
arranges
cells
Simple-Cubic/Face-Centred
Cubic
inspired
pattern,
resulting
reduced
elastic
Two
parametric
optimisation
approaches
involving
level-set
mid-surface
offsetting
the
functional
grading
then
applied
second
step
eliminate
any
residual
Anisotropy
characterised
through
finite
element
analysis
using
Zener
ratio.
Four
families
optimised,
each
based
on
different
unit
cell,
additively
manufactured
material
extrusion
process
with
polylactic
acid.
Finally,
experimental
quasi-static
compressive
tests
conducted
characterise
stiffness,
strength,
properties.
Optimised
designs
tested
three
crystal
orientations
([001],
[101]
[111])
orthogonal
print
Primitive
stiffest
four
reaching
64.4%
Hashin-Shtrikman
upper
bound
bulk
modulus
at
20%
density.
Experimental
results
validate
optimised
isotropy
indicate
also
crushing
strength
absorption.
Mechanics of Advanced Materials and Structures,
Год журнала:
2024,
Номер
32(1), С. 79 - 106
Опубликована: Апрель 22, 2024
Lattice
metamaterials
have
gained
considerable
attention
due
to
their
distinctive
topological
structures
and
multifunctional
properties.
In
this
work,
the
effect
of
topology,
loading
conditions,
relative
density
on
effective
mechanical
properties
various
novel
lattice
architectures
is
investigated
numerically
experimentally.
Thirteen
strut-based
lattices
derived
from
triply
periodic
minimal
surfaces
(five
lattices)
as
well
Platonic
(three
Archimedean
solids
are
considered
for
first
time,
anisotropic
properties,
including
uniaxial,
shear,
bulk
moduli
strengths
total
stiffness,
buckling
strengths,
Poisson's
ratio,
anisotropy
a
function
wide
range
densities
(0.1%
37%).
Finite
element
analysis
employed
capture
full
behavior
these
using
boundary
conditions.
Bifurcation
performed
predict
threshold
governing
vs
yielding
deformation
behavior.
Selected
3D
printed
polymer
selective
laser
sintering
additive
manufacturing
technique
tested
under
quasi-static
uniaxial
compression
where
experimental
numerical
results
compared.
The
indicate
that
can
be
altered
between
stretching
bending
dominated
mode
loading.
shown
outperform
lattices.
This
work
opens
doors
more
investigations
types
engineering
applications.
Furthermore,
generated
comprehensive
data
useful
in
optimizing
latticed
topology
optimization
techniques.
Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials,
Год журнала:
2024,
Номер
152, С. 106406 - 106406
Materials,
Год журнала:
2024,
Номер
17(14), С. 3398 - 3398
Опубликована: Июль 9, 2024
The
properties
of
each
lattice
structure
are
a
function
four
basic
factors,
namely
the
morphology
unit
cell,
its
tessellation,
relative
density,
and
material
properties.
recent
advancements
in
additive
manufacturing
(AM)
have
facilitated
easy
manipulation
these
factors
to
obtain
desired
functionalities.
This
review
attempts
expound
on
several
such
strategies
manipulate
factors.
Several
design-based
grading
strategies,
as
functional
grading,
with
respect
size
density
manipulation,
multi-morphology,
spatial
arrangement
been
discussed
their
link
natural
occurrences
highlighted.
Furthermore,
special
emphasis
is
given
recently
designed
tessellation
deliver
multi-functional
responses.
Each
own
acts
novel
material,
thereby
tuning
required
subsequent
section
explores
various
processing
techniques
multi-material
AM
achieve
sequential
combination
multiple
materials
generates
that
single
cannot
achieve.
last
scope
for
combining
design
process
unique
structures
capable
catering
advanced
requirements.
In
addition,
future
role
artificial
intelligence
machine
learning
developing
function-specific
