Journal of Thermoplastic Composite Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 2, 2024
In
this
paper,
the
mechanical
behavior
and
compression
deformation
mode
of
three
types
composite
multilayer
structures
based
on
triply
periodic
minimal
surfaces
(TPMS)
were
conducted
through
experiments
finite
element
analysis.
The
results
indicate
that
load-displacement
curves
under
varying
stain
rates
manifest
a
double-platform
characteristic
for
all
structure
types.
P-G
four-layer
six-layer
have
no
discernible
extrusion
structural
layers
during
compression,
entirety
displays
an
almost
regular
cubic
configuration
after
compression.
Nevertheless,
local
separation
was
observed
in
extruded
portion
P-H
at
higher
strain
rates.
For
other
conditions,
exhibited
bulge
but
did
not
display
any
detachment
or
phenomena.
During
structure,
dome-shaped
region
emerges
first
fifth
layers.
“crown”
layer
inverted
bell-shaped
failure
exhibiting
downward
extrusion.
contrast,
upward
exhibits
mode.
6-layer
has
best
energy
absorption
performance
quasistatic
conditions
4-layer,
structure.
However,
identical
remains
largely
consistent
across
rate
conditions.
Journal of Physics Conference Series,
Journal Year:
2025,
Volume and Issue:
2949(1), P. 012052 - 012052
Published: Feb. 1, 2025
Abstract
This
paper
investigates
new
frameworks
for
Polyethylene
Terephthalate
fiber-reinforced
functionally
graded
triply
periodic
minimal
surface
shells
(PET-FG-TPMS)
with
concrete
material.
We
propose
one
functional
classification
framework
focused
on
controlling
mass
density,
elastic
modulus,
and
shear
an
average
porosity
of
0.35.
The
study
examines
three
plate-based
TPMS
structures:
Primitive,
Gyroid,
I-Wrapped
Package-graph.
Free
vibration
analyses
the
plates
shell
are
performed
using
a
theoretical
model
three-dimensional
isogeometric
analysis
(3D
IGA).
Critical
parameters
like
coefficient,
type,
inclusion
types,
volumes
two
material
phases
thoroughly
explored.
Their
effects
plate
response
presented
different
thicknesses.
density
is
particularly
promising
comparing
structures,
compensating
stiffness
deficit
PET
reinforcement,
as
assessed
through
fundamental
frequencies.
Each
type
has
its
advantages
reinforcement
ratios.
aims
to
advance
development
PET-FG-TPMS
shells,
highlight
impact
various
frameworks,
guide
design
lightweight,
mechanically
efficient
structures.
