Enhancing Performance of Beam-Column Joints in Reinforced Concrete Structures Using Carbon Fiber-Reinforced Polymers (CFRP): A Novel Review
Hybrid Advances,
Год журнала:
2025,
Номер
unknown, С. 100444 - 100444
Опубликована: Март 1, 2025
Язык: Английский
Microscopic‐to‐macroscopic finite element analysis for predicting polymer‐graphene nanocomposite laminate mechanical strength
Polymer Composites,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 25, 2025
Abstract
Graphene
fillers
significantly
enhance
the
mechanical
properties
of
polymer
composites.
While
experimental
analysis
remains
crucial,
computational
approaches
such
as
finite
element
(
FEA
)
provide
an
efficient
alternative
for
characterizing
these
enhancements.
In
this
work,
we
developed
a
multiscale
framework
where
composite
were
obtained
by
microscale
modeling
using
representative
volume
elements
RVE
in
validated
results,
which
then
used
input
macroscopic
multi‐layered
laminate
structures
under
pure
and
open‐hole
tensile
tests.
The
effects
filler
orientation
loading
on
strength
investigated.
Our
results
reveal
that
orthotropic
laminates
exhibit
superior
performance
compared
to
quasi‐isotropic
those
with
randomly
oriented
fillers.
in‐plane
alignment
provides
more
effective
reinforcement,
leading
average
28.40%
lower
maximum
failure
index
(FI)
values
than
laminates.
Additionally,
uniform
outperform
variable
distributions,
stress
is
evenly
distributed,
reducing
FI
44.71%
19.62%
laminates,
respectively.
Furthermore,
choice
matrix
affects
well.
Polycarbonate,
its
higher
modulus,
enhances
graphene
reinforcement
effectively
high‐density
polyethylene.
These
findings
highlight
importance
alignment,
distribution,
selection
optimizing
polymer‐graphene
design
insights
explorations.
Highlights
Developed
microscopic
model
results.
Utilized
approach
linking
macroscale
model.
Achieved
guide
nanocomposite
structures.
Язык: Английский
Investigational studies on characteristics of Nano Silicon Nitride Incorporated AA8050 composites
Matéria (Rio de Janeiro),
Год журнала:
2025,
Номер
30
Опубликована: Янв. 1, 2025
ABSTRACT
This
current
work,
studied
the
effects
of
nano
silicon
nitride
(n-Si3N4)
particles
incorporated
with
AA8050
matrix
using
a
stir-casting
method.
Physical
characteristics
including
density
and
porosity
were
measured.
The
mechanical
impact
strength
(IS),
ultimate
tensile
(UTS),
elongation
(El),
Vickers
hardness
(HV)
evaluated
according
to
standards.
Metallurgical
Scanning
Electron
Microscopy
(SEM),
Energy
dispersive
spectroscopy
(EDS)
X-ray
diffraction
analysis
(XRD)
examined
synthesized
composites.
theoretical
rise
for
3.5%
reinforcement
is
capped
at
1.6%,
while
experimental
drop
3.1%.
Also
incorporating
n-Si3N4
into
significantly
increased
UTS,
HV,
IS
percentage
11.04%,
25.88%,
29.88%
accordingly.
SEM
Composites
revealed
dispersion
in
AA8050.
When
analyzing
EDS
Composites,
high-intensity
peak
indicates
that
composites
have
high
rate
Al
by
weight.
In
XRD
all
appearances,
phase
encloses
particles.
Язык: Английский
Hybrid polymer materials with substantially improved mechanical properties obtained by SPLAST
Tadeusz Sanocki,
Marek Sanocki,
Agnieszka Sanocka-Zajdel
и другие.
Polimery,
Год журнала:
2025,
Номер
70(3), С. 194 - 203
Опубликована: Март 28, 2025
This
publication
is
an
article
promoting
the
research
results
obtained
as
part
of
carried
out
at
Splast
POIR.01.01.01-00-0760/18
project
implemented
from
Smart
Growth
Operational
Program
in
2014-2020
entitled
"Development
a
new
technology
for
production
parts
polymer
materials
with
substantially
improved
mechanical
and
visual
properties".
In
addition,
this
presents
selected
on
structure
hybrid
composites
using
AFM
SEM.
Язык: Английский
Ballistic, thermal and chemical characterization of raffia fiber fabric (Raphia vinifera) reinforced epoxy matrix composites
Journal of Materials Research and Technology,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 1, 2025
Язык: Английский
Dynamic Mechanical Thermal Analysis of Polyester Reinforced Hybrid Composites: A Review
Thermal advances.,
Год журнала:
2025,
Номер
unknown, С. 100041 - 100041
Опубликована: Апрель 1, 2025
Язык: Английский
Recent Progress in Additive Manufacturing of Porous Titanium: From Design to Applications
Journal of Alloys and Compounds,
Год журнала:
2025,
Номер
unknown, С. 180451 - 180451
Опубликована: Апрель 1, 2025
Язык: Английский
Investigating the welding and healing of epoxy anhydride vitrimer carbon fibre composites
Composites Part A Applied Science and Manufacturing,
Год журнала:
2025,
Номер
unknown, С. 108956 - 108956
Опубликована: Апрель 1, 2025
Язык: Английский
Anisotropic permeability and non‐Newtonian flow in melt impregnation of thermoplastic composites
Polymer Composites,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 23, 2025
Abstract
The
growing
demand
for
lightweight,
high‐performance
materials
has
driven
advancements
in
thermoplastic
composites,
widely
used
aerospace
and
automotive
industries.
Efficient
melt
impregnation
is
crucial
optimizing
composite
quality
mechanical
integrity.
This
study
presents
an
enhanced
mathematical
model
the
of
addressing
critical
limitations
existing
framework
that
fails
to
accurately
predict
resin
efficiency.
Critical
fail
Traditional
models
relying
on
Darcy's
law
inadequately
capture
complex
interactions
between
non‐Newtonian
dynamics
fiber
matrices,
limiting
their
accuracy
predicting
To
overcome
these
challenges,
proposed
integrates
Navier–Stokes
equation
with
Herschel–Bulkley
model,
enabling
comprehensive
simulation
three‐dimensional
flow
behavior
yield
stress
characteristics
inherent
resin.
also
incorporates
anisotropic
permeability,
bed
compaction,
energy
dissipation
due
fiber‐resin
interactions,
offering
nuanced
insights
into
patterns
quality.
Experimental
validation
was
performed
using
MATLAB
simulations
polypropylene
reinforced
by
glass
fibers.
Rheological
characterization
experiments
under
varying
temperatures
220–260°C
demonstrated
a
strong
correlation
experimental
results
prediction,
errors
ranging
from
1.4%
2.6%.
research
advances
theoretical
understanding
manufacturing
provides
robust
process
parameters,
enhancing
integrity
performance
composites.
Highlights
Enhanced
Incorporates
equations.
Accounts
permeability
compaction.
Validated
minimal
error
(1.4%–2.6%).
Язык: Английский
Analysis and Validation of Lightweight Carriage Structures Using Basalt Fiber Composites
Materials,
Год журнала:
2024,
Номер
17(23), С. 5723 - 5723
Опубликована: Ноя. 22, 2024
With
the
growth
in
road
transport
volume
and
increasingly
stringent
environmental
regulations,
use
of
lightweight
dump
trucks
not
only
reduces
fuel
consumption
but
also
enhances
efficiency,
aligning
with
principles
green
development.
It
has
now
become
a
key
focus
field
heavy-duty
vehicle
research.
The
carriage
is
located
at
rear
truck,
connected
to
chassis,
serves
as
box
for
carrying
cargo,
making
its
strength
durability
crucial.
As
one
important
components
vehicles,
accounts
15%
25%
total
weight,
weight
reduction
efficiency
significantly
higher
than
that
other
systems.
This
paper
presents
prefabricated
structure
based
on
basalt
fiber
composite
panels
combined
metal
frame,
achieving
design
while
meeting
requirements
high
load-bearing
capacity
improving
assembly
production
efficiency.
Given
complex
working
environment
diverse
loading
demands
heavy
this
study
incorporates
real
operating
conditions
trucks,
utilizing
theoretical
calculations
analyses
construct
finite
element
models
various
scenarios,
followed
by
detailed
numerical
simulations
ABAQUS
(2023).
Additionally,
bending-shear
test
side
panel
was
designed
conducted
validate
accuracy
model,
comparative
analysis
performed
between
simulation
results
experimental
data,
effectively
assessing
safety
reliability
structure.
indicate
meets
strength,
stiffness,
impact
resistance
current
carriages
weight.
research
provides
scientific
reference
engineering
value
application
materials
structural
optimization
trucks.
Язык: Английский