Journal of Composites Science,
Journal Year:
2024,
Volume and Issue:
8(4), P. 146 - 146
Published: April 12, 2024
Composite
materials
represent
the
evolution
of
material
science
and
technology,
maximizing
properties
for
high-end
industry
applications.
The
fields
concerned
include
aerospace
defense,
automotive,
or
naval
industries.
Additive
manufacturing
(AM)
technologies
are
increasingly
growing
in
market
shares
due
to
elimination
shape
barriers,
a
plethora
available
materials,
reduced
costs.
AM
composite
combine
two
trends
manufacturing,
combining
advantages
both,
with
specific
enhancement
being
need
mold
composites,
even
post-curing
treatments.
challenge
composites
is
compete
their
conventional
counterparts.
aim
current
paper
present
additive
process
across
different
spectrums
finite
element
analyses
(FEA).
first
outcomes
building
definition
(support
definition)
optimization
deposition
trajectories.
In
addition,
multi-physics
melting/solidification
using
computational
fluid
dynamics
(CFD)
performed
predict
fiber
orientation
extrusion
profiles.
modelling
continues
displacement/temperature
distribution,
which
influences
porosity,
warping,
residual
stresses
that
influence
characteristics
component.
This
leads
tuning
technological
parameters,
thus
improving
process.
InfoMat,
Journal Year:
2024,
Volume and Issue:
6(6)
Published: June 1, 2024
Abstract
The
potential
of
three‐dimensional
(3D)
printing
technology
in
the
fabrication
advanced
polymer
composites
is
becoming
increasingly
evident.
This
review
discusses
latest
research
developments
and
applications
3D
composites.
First,
it
focuses
on
optimization
technology,
that
is,
by
upgrading
equipment
or
components
adjusting
parameters,
to
make
them
more
adaptable
processing
characteristics
improve
comprehensive
performance
products.
Second,
printable
novel
consumables
for
composites,
which
mainly
include
new
filaments,
inks,
photosensitive
resins,
powders,
introducing
unique
properties
different
ways
apply
printing.
Finally,
preparation
functional
(such
as
thermal
conductivity,
electromagnetic
interference
shielding,
biomedicine,
self‐healing,
environmental
responsiveness)
are
explored,
with
a
focus
distribution
fillers
influence
topological
shapes
printed
aim
this
deepen
understanding
convergence
between
anticipate
future
trends
applications.
image
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 12, 2024
Abstract
The
development
of
nanocomposite
microwave
absorbers
is
a
critical
strategy
for
tackling
electromagnetic
pollution.
However,
challenges
persist
regarding
material
stability
and
achieving
broadband
absorption.
Herein,
novel
multi−scale
design
approach
metamaterial
proposed.
First,
series
bimetallic
(cobalt
copper)
semiconductive
metal–organic
framework
(SC−MOF)
crystals
with
atomically
resolved
structures
are
successfully
prepared
to
serve
as
building
blocks
metamaterials.
By
simply
adjusting
the
concentration
ratio
two
ions,
controllable
preparation
crystal
morphology
can
be
achieved.
This
enables
precisely
tune
absorption
peak
bandwidth
range
SC−MOF,
resulting
in
excellent
EMW
performance
(effective
bandwidth:
6.16
GHz,
minimum
reflection
loss:
−61
dB).
Based
on
this,
printable
inks
further
constructed
by
encapsulating
SC−MOF
polydimethylsiloxane
3D‐printed
multi−layered
based
woodpile
porous
architecture.
absorber
demonstrates
near‐perfect
spectrum
(with
11.33
GHz),
closely
matching
theoretical
simulations.
approach,
combining
precise
MOF
materials
construction
topological
structure
design,
offers
new
insights
absorbers.
Materials & Design,
Journal Year:
2023,
Volume and Issue:
237, P. 112558 - 112558
Published: Dec. 13, 2023
Mishandling
of
waste
plastics
and
biomasses
is
a
major
global
concern.
Every
year,
around
380
million
tons
plastic
are
produced,
with
only
9%
being
recycled,
leading
to
widespread
pollution.
Similarly,
biomass
generation
from
agricultural
forestry
sectors
accounts
for
140
billion
metric
tons,
in
addition
2.01
municipal
solid
waste.
This
review
paper
addresses
the
gap
regarding
integration
3D
printing,
upcycling
recycled
plastics,
utilization
sustainable
composites.
printed
parts
have
shown
comparable
mechanical
properties
compared
virgin
materials,
which
been
further
improved
by
biomass-derived
fillers.
The
acknowledges
that
different
printing
parameters
substantial
influence
on
strength,
ductility,
crystallinity,
dimensional
accuracy
parts.
Therefore,
optimizing
these
becomes
crucial
achieving
performance.
Moreover,
incorporating
reinforcing
agents,
stabilizers,
chain
extenders,
compatibilizers,
surface
modifiers
recycling
presents
an
excellent
opportunity
enhance
properties,
thermal
stability,
adhesion,
stability.
Additionally,
identifies
research
gaps
proposes
machine
learning
artificial
intelligence
enhanced
process
control
material
development,
expanding
possibilities
this
field.
Polymer Composites,
Journal Year:
2024,
Volume and Issue:
45(10), P. 8694 - 8709
Published: March 26, 2024
Abstract
Polymer
adhesives
have
considerable
mechanical
and
environmental
privileges;
however,
their
high
price
makes
them
uncommercial
for
common
uses.
This
study
investigates
the
incorporation
of
recycled
or
byproduct
fillers
in
epoxy
resin‐based
composites
to
assess
properties,
impacts,
cost
efficiency.
The
examined
include
fly
ash,
glass
powder,
slag,
silica
limestone
powder.
Tensile,
compressive,
fracture
tests
were
conducted
on
with
various
filler
proportions
(0%–80%
by
weight).
From
microstructure
observations,
round
(fly
powder)
rough
(slag,
silica,
morphologies
are
seen.
Also,
it
is
seen
that
all
well
distributed
matrix;
increase
content,
air
voids
increase.
tensile
compressive
results
indicate
adding
improves
composite's
strengths,
up
a
20%
compared
neat
resin.
However,
when
contents
exceed
40%,
strengths
decrease.
Fracture
toughness
values
also
decrease
increasing
content.
Comparing
those
other
studies
indicates
similarity
trends.
Cost‐strength
CO2eq‐strength
curves
evaluated
financial
aspects.
show
potential
efficiency
but
may
some
drawbacks
traditional
construction
materials
like
cement
concrete.
Highlights
resin
composites.
Examined
glass,
flexural,
conducted.
SEM
failure
patterns
analyzed,
similar
compared.
data
evaluated.
Results in Engineering,
Journal Year:
2024,
Volume and Issue:
22, P. 102162 - 102162
Published: May 3, 2024
Interpenetrating
phase
composites
(IPC)
materials
are
designed
to
combine
the
advantages
of
made-from
or
develop
an
intended
behavior.
Recently,
use
3D
printed
structures
has
received
attention
due
advantages,
such
as
rapid
and
cheap
prototyping
techniques
complex
structures.
However,
most
materials,
polylactic
acid
(PLA)
used
for
conventional
printing,
have
low
strength
insignificant
durability.
To
overcome
these
issues,
excellent
characteristics
polymer
adhesives,
epoxy
resin,
can
be
increase
their
In
this
paper,
PLA-based
samples
resin
adhesive
were
merged
interpenetrating
composite.
The
with
25,
50,
75,
100
infill
percentages
tested
in
direct
tensile,
bending,
mode-I
fracture.
From
results,
it
seen
that
reducing
percentage
25%
reduces
tensile
16,
9,
3
MPa
(-40%,
-66%,
-90%
compared
sample
100%
26
strength),
adding
IPC,
results
24,
29
32
strength.
Compared
3D-printed
parts
same
percentages,
IPCs
150,
320,
1140%
higher
strengths,
respectively.
Also,
failed
reviewed
by
scanning
electron
microscope.
