Mechanics of Advanced Materials and Structures,
Год журнала:
2024,
Номер
unknown, С. 1 - 9
Опубликована: Дек. 28, 2024
2H
diamond
(lonsdaleite)
is
a
promising
material
for
contemporary
science.
However,
there
still
no
well
documented
experimental
or
theoretical
work
at
high
temperatures.
Therefore,
this
the
first
contribution
titled
features
of
diamond.
The
elastic
constants
decline
with
rising
temperature
and
conform
Born
stability.
Both
Pugh
ratio
Poisson's
results
indicate
brittle
character
monotonic
non-monotonic
hardness
behavior
notable
anisotropy
were
obtained
discussed.
Presented
aligns
available
literature
other
materials.
Mechanics of Advanced Materials and Structures,
Год журнала:
2024,
Номер
unknown, С. 1 - 14
Опубликована: Дек. 13, 2024
This
study
proposes
a
novel
node-reinforced
plate
lattice
(NRPL)
by
introducing
the
variable-thickness
design
into
nodes
of
simple
cubic
(SC)
lattice.
The
NRPL
specimens
are
fabricated
via
laser
powder
bed
fusion
(L-PBF)
using
stainless
steel
316
L
powders.
Compression
experiments
and
numerical
simulations
employed
to
investigate
mechanical
responses
deformation
mechanisms
NRPL.
results
reveal
that
exhibits
significantly
enhanced
energy
absorption
(EA),
reduced
initial
peak
stress
smooth
fluctuations.
In
comparison
SC
lattice,
shows
an
increase
in
specific
EA
(SEA)
crash
load
efficiency
(CLE)
35.7%
58.4%,
respectively.
Additionally,
excellent
performance
compared
with
most
existing
structures.
proposed
this
holds
promise
as
ideal
cushioning
energy-absorbing
material,
providing
valuable
insights
for
engineering
applications
buffering
EA.
Mechanics of Advanced Materials and Structures,
Год журнала:
2025,
Номер
unknown, С. 1 - 15
Опубликована: Янв. 7, 2025
Pyramid
lattice
sandwich
cylinders
(LSCs)
exhibit
remarkable
structural
efficiency,
yet
local
failures
can
significantly
reduce
their
load-bearing
capacity.
This
study
investigates
the
capability
of
pyramid
LSCs
relative
to
single-walled
shells
(SSs)
equivalent
size
and
mass
under
multi-failure
modes.
A
analytical
model
grounded
in
thin-shell
assumptions
has
been
developed
analyze
separate
contributions
core
skins.
Through
optimization,
variation
performance
SSs
elucidated.
The
findings
indicate
that
capacity
is
approximately
1.65
times
greater
than
SSs.
Mechanics of Advanced Materials and Structures,
Год журнала:
2025,
Номер
unknown, С. 1 - 14
Опубликована: Янв. 9, 2025
The
perforated
auxetic
tube
with
peanut-shaped
perforations
(PHT)
are
proposed
and
its
mechanical
responses
investigated
by
three-point
bending
experiment
validated
finite
element
simulation.
Compared
to
the
elliptical
(EHT)
under
same
porosity,
PHT
exhibits
significant
improvement
of
up
100%,
49%,
34%,
148%
in
peak
force,
stiffness,
ductility
energy
absorption
capacity,
respectively.
Additionally,
a
parametric
analysis
is
performed
identify
role
each
design
parameter
provide
optimal
solutions
for
design.
This
study
provides
valuable
guidance
enhancing
properties
tubes.
Proceedings of the Institution of Mechanical Engineers Part E Journal of Process Mechanical Engineering,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 16, 2025
Stainless
Steel
316L
(SS316L)
is
widely
used
in
orthopaedics
due
to
its
biocompatibility,
affordability,
ease
of
fabrication,
adequate
mechanical
strength
and
corrosion
resistance.
Despite
many
benefits,
the
stiffness
SS316L
has
been
a
significant
cause
for
concern
since
it
causes
stress
shielding
implant
failure.
A
potential
solution
orthopaedic
implants
lattice
SS316L,
which
can
be
fabricated
using
laser
powder
bed
fusion
(LPBF)
process.
The
development
structures
LPBF
process
allows
scaffolds
adhere,
grow
differentiate
bone
cells
with
specific
properties
suitable
implants.
study
highlights
different
employed
implants,
mainly
focusing
on
gyroid
delves
into
fabrication
structures.
Compared
traditional
solid
TPMS
showed
at
least
30%–70%
improvement
weight
reduction,
reduced
by
80%,
material
saving
10%–20%
biocompatibility
50%–200%
osseointegration.
other
porous
metallic
there
was
10%–15%
compressive
tensile
strengths.
concerning
strength-to-weight
ratio
40%
economically
viable.
review
also
influence
various
parameters
biological
attributes
structures,
emphasizing
benefits
their
impact
Orthopaedics
sector.
Furthermore,
leveraging
unique
lattices,
offers
promising
an
affordable
compatible
alternative
titanium
orthopaedics.
Advanced Engineering Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 1, 2025
Triply
periodic
minimal
surface
(TPMS)
structures
hold
great
potential
as
mechanical
materials
due
to
their
exceptional
strength‐to‐weight
ratios
and
energy
absorption
capabilities.
However,
the
limited
number
of
known
structural
types
poses
a
barrier
profound
comprehension
utilization
properties.
Herein,
properties
deformation
mechanisms
eight
recently
discovered
bifurcating
TPMS
characterized
by
noncubic
symmetries
are
reported.
These
polymeric
metamaterials
fabricated
fused
deposition
modeling,
followed
quasistatic
compression
tests
conducted
across
multiple
loading
directions
evaluate
anisotropic
responses.
Experimental
results
show
that
generally
exhibit
enhanced
strength
compared
classical
counterparts,
particularly
in
direction
deformation.
Additionally,
finite‐element
simulation
is
employed
simulate
failure
behavior
it
found
stress
concentration
varies
different
structures,
which
closely
related
geometry
mechanisms.
demonstrate
suitability
for
load‐bearing
applications
may
pave
way
innovative
designs
fabrication
efficient
lightweight
future.
