International Journal of Automotive Science And Technology,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 16, 2024
The
objective
of
this
study
is
to
investigate
the
effectiveness
MULTIMOORA
method
strengthened
with
AHP
select
most
suitable
pad
material
among
metal
matrix
composite
brake
materials
reinforced
different
proportions
red
mud
according
criteria
determining
efficiency
performance.
For
purpose,
five
samples
mud,
an
industrial
waste,
at
weight
ratios
(0%,
2%,
4%,
6%,
8%)
were
produced
and
physical,
mechanical,
tribological
properties
pro-duced
characterized.
Tribological
characterization
tests
carried
out
in
accordance
TSE
555
using
a
specially
designed
dynamometer.
average
coefficient
friction,
specific
wear
rate,
friction
stability,
hardness,
density,
TRS
values,
which
repre-sent
important
performance
indicators
material,
used
as
for
selec-tion
material.
According
method,
importance
levels
these
terms
determined
0.423,
0.205,
0.088,
0.051,
0.028,
respectively.
As
result
evaluation
made
MOOSRA
it
was
that
RM-8
sample
showed
best
all
samples.
In
addition,
followed
by
RM-6,
RM-4,
RM-0
RM-2
samples,
findings
indicate
effective
reliable
approach
selecting
optimal
alterna-tives,
specified
criteria.
Polymer Composites,
Год журнала:
2024,
Номер
45(11), С. 10204 - 10219
Опубликована: Апрель 22, 2024
Abstract
The
demand
for
bio‐fiber
composites
has
increased
globally
due
to
the
environmental
impact
of
non‐sustainable
materials.
In
this
context,
Natural
fibers
are
becoming
increasingly
popular
in
various
applications
their
sustainability.
This
study
explores
silane‐treated
Mimosa
pudica
(MP)
obtained
from
relevant
plant
that
were
treated
with
silane
and
utilized
strengthen
used
brake
friction
development.
Five
different
formulations
developed
using
untreated
MP
combined
inert
filler
synthetic
barites
maintaining
other
ingredients
constant
amounts.
pads
then
evaluated
physical,
chemical,
mechanical,
thermal
properties,
tribological
performance
was
assessed
chase
test,
following
SAE
J661‐2021.
test
results
revealed
had
a
higher
cellulose
content
57.2%,
while
48.7%.
Rockwell
hardness‐K
scale
value
made
5
wt%
fibers,
95.
wear
loss
lower
10
fibers‐based
than
composites.
Scanning
Electron
Microscope
analyzed
worn
surface
features
Chase
test.
Highlights
as
reinforcement
Silane‐treated
showed
improved
stability
optimal
μ
rate.
Results in Engineering,
Год журнала:
2024,
Номер
22, С. 102272 - 102272
Опубликована: Май 17, 2024
An
adaptation
to
electric
mobility
quickens
waste
management
tasks
for
recyclers
end-to-end
processing
of
marketed
vehicle
batteries.
Especially
lithium-ion
batteries
play
a
prominent
role
in
electrifying
the
world
e-transport
technology
innovation.
This
research
offers
multi-attribute
decision-making
(MADM)
structure
finding
best
performance
e-vehicle
recycling
techniques.
The
structured
algorithm
combines
an
advanced
stratified
MADM
strategy
with
e-transportation
optimal
evaluates
results
qualitative
attributes
and
alternatives
using
weighted-ranking
approach.
importance
is
calculated
blending
dual
objective-weighted
approaches:
entropy
CILOS
methods,
viz.,
aggregated
IDOCRIW
ranking
determined
through
COCOSO
method
hesitation
environment.
q-rung
orthopair
picture
fuzzy
set
(q-ROPFS)
used
cope
uncertainty
vagueness
decision
analysis.
feasibility
robustness
suggested
were
validated
different
methods
by
altering
crucial
ranking-dependent
parameters
problem.
Results in Engineering,
Год журнала:
2024,
Номер
22, С. 102226 - 102226
Опубликована: Май 31, 2024
The
production
of
charcoal
briquettes
was
based
on
the
concept
utilizing
waste
for
sustainable
and
eco-friendly
solutions
within
green
economy.
This
study
introduces
a
new
approach
optimizing
important
properties
briquettes.
aims
to
determine
appropriate
operating
conditions
using
hybrid
method.
It
integrates
novel
TOPSIS
linear
programming
with
genetic
algorithms
response
surface
methodology.
experiment
used
an
optimal
mixture
ratio
25:10:6,
including
coconut
shell,
bagasse
ash,
corncob.
results
responses
showed
increased
heating
value
burning
time
by
5.13
%
5.71
%,
respectively,
moisture
content
decreased
15.12
%.
Furthermore,
confirmation
experiments
95
confidence
interval
verified
that
three
obtained
at
process
factors.
total
cost
is
0.903
USD/kg
payback
period
4.85
years.
illustrates
improvement
also
aligns
broader
goals
promoting
circular
Molecules,
Год журнала:
2024,
Номер
29(11), С. 2618 - 2618
Опубликована: Июнь 2, 2024
Syzgium
cumini
(L.)
Skeels
powder
(S.
powder),
also
known
as
Jamun,
is
well-known
for
its
various
medical
and
health
benefits.
It
especially
recognized
antidiabetic
antioxidant
properties.
Thus,
S.
used
in
industries,
such
the
food
cosmetic
industries.
In
this
work,
fruit
of
was
utilized;
seeds
were
extracted,
dried,
ground
into
powder.
The
powders
subjected
to
techniques
physicochemical
tests,
Fourier
transform
infrared
(FTIR)
spectroscopy,
X-ray
diffractometry
(XRD),
particle
size
analysis,
scanning
electron
microscopy
(SEM),
energy-dispersive
spectroscopy
(EDX),
thermogravimetric
analysis
(TGA),
differential
calorimetry
(DSC),
analysis.
From
it
revealed
that
jamun
seed
filler
contained
cellulose
(43.28%),
hemicellulose
(19.88%),
lignin
(23.28%),
pectin
(12.58%),
wax
(0.98%).
FTIR
supported
these
results.
For
instance,
a
peak
at
2889
cm−1
observed
associated
with
CH
stretching,
typically
found
methyl
methylene
groups,
characteristic
structures.
XRD
results
demonstrated
crystallinity
index
42.63%.
indicated
mean
(average)
25.34
μm.
This
observation
ensured
SEM
EDX
spectrum
showed
elemental
composition
fillers.
Regarding
thermal
degradation,
had
ability
withstand
temperatures
up
316.5
°C.
Furthermore,
endothermic
exothermic
peaks
305
°C
400
°C,
respectively.
property
displayed
scavenging
activity
91.4%.
comprehensive
study
not
only
underscores
viability
sustainable
effective
particulate
polymer
composites
but
demonstrates
potential
enhance
mechanical
properties
composites,
thereby
offering
significant
implications
development
eco-friendly
materials
industrial
applications.
Environmental Challenges,
Год журнала:
2024,
Номер
16, С. 100989 - 100989
Опубликована: Авг. 1, 2024
Incorporating
technology
into
construction
projects
is
highly
important
to
achieve
success.
One
of
the
critical
technologies
robotics,
but
it
faces
significant
barriers
in
terms
implementing
sector.
Existing
research
focuses
on
benefits
robotics
management.
Besides
this,
there
limited
known
study
that
simultaneously
overcoming
and
their
impact
success
projects.
This
was
aimed
at
evaluating
faced
implementation
determining
A
quantitative
design
followed,
starting
with
identification
possible
challenges
from
literature,
performing
pilot
survey,
conducting
exploratory
factor
analysis
(EFA),
structural
equation
modeling
(SEM).
The
results
produced
a
model
involving
relation
positive
value
B
=
0.87.
Positive
implications
are
formulated
managerial
theoretical
expectations
future
Materials,
Год журнала:
2024,
Номер
17(16), С. 3926 - 3926
Опубликована: Авг. 7, 2024
Brake
friction
material
reinforced
with
coconut
fiber
and
dypsis
lutescens
was
designed
prepared
in
this
study.
Specimens
incorporating
0-8
wt.%
of
fibers
or
were
fabricated.
The
effect
the
content
these
reinforcing
on
overall
properties
brake
materials
systematically
investigated.
results
indicate
that
inclusion
formulation
can
improve
physical
wear
materials.
specimen
6
plant
obtained
optimal
comprehensive
performance
excellent
fade
resistance
recovery
properties,
better
resistance.
In
order
to
further
investigate
their
performance,
nine
hybrid
using
golden
section
method
orthogonal
test
method.
study
indicated
F-6
fiber-reinforced
have
thermal
degradation
resistance,
abrasion
than
single-fiber-reinforced
This
provides
new
concepts
for
preparation
as
well
optimization.
