Design of non-homogeneous three-dimensional ceramic lattice structures with interpenetrating epoxy resin for enhanced energy absorption and load-bearing performance
Mechanics of Advanced Materials and Structures,
Год журнала:
2025,
Номер
unknown, С. 1 - 24
Опубликована: Янв. 14, 2025
Lightweight,
energy-absorbing
materials
with
superior
mechanical
properties
are
vital
for
engineering.
Interpenetrating
phase
composites
(IPCs)
of
Al2O3
ceramic
and
epoxy
resin
exhibit
enhanced
performance
via
non-homogeneous
lattice
design.
Compression
tests
showed
over
60%
strength
improvement
compared
to
single-phase
materials,
while
bending
highlighted
greater
load
capacity.
Non-homogeneous
structures
demonstrated
energy
absorption
load-bearing
abilities.
Epoxy
toughness
under
compression
but
not
bending.
A
bulletproof
model
validated
the
practical
potential
IPCs,
emphasizing
their
engineering
applicability
in
optimizing
material
through
tailored
designs.
Язык: Английский
Transient lubrication of floating bush coupled with dynamics and kinematics of cam-roller in fuel supply mechanism of diesel engine
Physics of Fluids,
Год журнала:
2024,
Номер
36(12)
Опубликована: Дек. 1, 2024
The
roller-floating
bush
pin
is
a
major
component
in
the
fuel
supply
mechanism
of
diesel
engine,
and
its
tribological
performance
seriously
affects
reliability
equipment.
In
this
study,
transient
thermoelastic
hydrodynamic
lubrication
analysis
model
double-layer
oil
film
on
established,
which
coupled
with
dynamic
kinematic
cam-roller.
characteristics,
such
as
time-varying
speeds
loads
roller
during
operation
cam,
were
considered.
Also,
elastic
deformation
thermal
effect
considered
model.
relevant
experimental
platform
for
structure
was
built,
simulation
verified
through
experiments.
influence
operating
conditions,
including
cam
speed
plunger
pressure,
explored,
besides,
structural
parameters,
length-diameter
ratios
clearance
ratios,
also
analyzed.
It
shows
condition
inner
worse
compared
outer
film.
As
explored
factors
change,
pressure
more
affected
than
that
This
work
could
provide
useful
guidance
designing
mechanism.
Язык: Английский
Designs and mechanical responses of 3D-printed Ti6Al4V porous structures based on triply periodic minimal surfaces with different iso-values
Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials,
Год журнала:
2024,
Номер
160, С. 106752 - 106752
Опубликована: Сен. 19, 2024
Язык: Английский
Additive manufacturing of bionic layered ceramic-metal composites for enhanced toughness and damage resistance
Virtual and Physical Prototyping,
Год журнала:
2024,
Номер
20(1)
Опубликована: Дек. 31, 2024
Specific
combinations
of
different
materials,
interfacial
geometries,
gradations,
and
layering
in
crysomallon
squamiferum
(CS)
shells
contribute
to
their
excellent
damage
resistance.
The
tortoise
shell
occlusal
joints
also
exhibit
a
wide
range
resistance
due
unique
structure.
Herein,
bionic
tortoiseshell
occlusion
suture
structures
various
materials
were
printed
using
two
additive
manufacturing
(AM)
techniques:
vat
photopolymerization
(VPP)
powder
bed
fusion
(PBF).
CS
composites
prepared
through
polymer
infiltration,
leveraging
the
capabilities
AM.
simple
flexible
production
successfully
overcomes
challenges
associated
with
fabricating
complex
structures.
microstructure
surface
bonding
analysed
by
scanning
electron
microscopy
(SEM)
energy
dispersive
spectroscopy
(EDS).
Additionally,
finite
element
method
(FEM)
molecular
dynamics
(MD)
simulations
performed.
Results
demonstrate
that
mechanical
performance,
41.79%
increase
flexural
strength,
41.83%
fracture
toughness,
554.94%
work
compared
normal
layered
ceramic
composites.
Язык: Английский
Exploring the Mechanical and Biological Properties of a Resin-Ceramic Composite with Biomimetic Nacre Structure Containing Zinc Used for Prosthodontics
Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials,
Год журнала:
2024,
Номер
161, С. 106799 - 106799
Опубликована: Ноя. 5, 2024
Язык: Английский