Oxford Open Materials Science,
Journal Year:
2025,
Volume and Issue:
5(1)
Published: Jan. 1, 2025
Abstract
The
effectiveness
of
coated
and
uncoated
hydro-turbine
steel
at
different
slurry
concentrations
impingement
angles
is
being
studied
in
the
current
effort
to
understand
better
central
problem
erosion
turbines
its
components
hydropower
generating
plants.
pressure
stand-off
distance
were
maintained
same
levels
throughout
experiment.
tester
for
additionally
employed
experimental
purposes.
maximum
occurred
a
20
000
ppm
(parts
per
million)
concentration
30°
angle.
While
Tungsten
Carbide-Cobalt
(WC-Co)
shows
brittle
nature,
Chromium
Carbide-Nickel
(Cr3C2-NiCr)
exhibited
ductile
characteristics.
Cr3C2-NiCr
less
resistant
than
WC-Co,
it
still
outperforms
material.
degree
resistance
both
impact
angles:
coating
superior
WC-Co
coating.
Statistical
analyses
analyze
data
identify
key
factors
influencing
erosion.
Regression
analysis
reveals
negative
correlations
between
rates
concentration/impingement
angle
specimens,
suggesting
reduced
with
decreasing
Analysis
Variance
(ANOVA)
results
confirm
significant
impacts
specimen
type,
concentration,
on
variability.
Visual
examination,
X-ray
Diffraction
(XRD)
patterns,
Scanning
Electron
Microscopy
(SEM)/Energy
Dispersive
(EDAX)
micrographs,
elemental
further
characterize
mechanisms
performance,
highlighting
protective
effects
coatings
reducing
rates.
This
research
improves
knowledge,
optimizes
directs
material
selection
erosion-prone
situations,
aiding
industries
facing
wear
concerns
enhancing
component
longevity
dependability.
AIP Advances,
Journal Year:
2024,
Volume and Issue:
14(4)
Published: April 1, 2024
The
growing
demand
for
fiber-reinforced
polymer
(FRP)
in
industrial
applications
has
prompted
the
exploration
of
natural
fiber-based
composites
as
a
viable
alternative
to
synthetic
fibers.
Using
jute–rattan
composite
offers
potential
environmentally
sustainable
waste
material
decomposition
and
cost
reduction
compared
conventional
fiber
materials.
This
article
focuses
on
impact
different
machining
constraints
surface
roughness
delamination
during
drilling
process
FRP
composite.
Inspired
by
this
unexplored
research
area,
emphasizes
influence
various
Response
methodology
designs
experiment
using
drill
bit
material,
spindle
speed,
feed
rate
input
variables
measure
factors.
technique
order
preference
similarity
ideal
solution
method
is
used
optimize
parameters,
predicting
delamination,
two
machine
learning-based
models
named
random
forest
(RF)
support
vector
(SVM)
are
utilized.
To
evaluate
accuracy
predicted
values,
correlation
coefficient
(R2),
mean
absolute
percentage
error,
squared
error
were
used.
RF
performed
better
comparison
with
SVM,
higher
value
R2
both
testing
training
datasets,
which
0.997,
0.981,
0.985
roughness,
entry
exit
respectively.
Hence,
study
presents
an
innovative
through
learning
techniques.
Materials Science for Energy Technologies,
Journal Year:
2024,
Volume and Issue:
7, P. 257 - 273
Published: Jan. 1, 2024
Environmental
sustainability
concerns
have
led
to
exploring
alternative
fuels
like
biodiesel
in
transportation.
However,
engines
emit
pollutants
NOx,
CO,
and
PM,
posing
health
environmental
risks.
This
review
explores
the
use
of
Aluminium
Oxide
(Al2O3),
Ruthenium
(RuO2),
Titanium
(TiO2),
Cerium
(CeO2),
Graphene
Oxide,
Multi-walled
Carbon
Nanotubes
(CNT)
other
nanoparticles,
engine.
It
focuses
on
their
unique
properties,
characterization,
emission
control,
impact,
engine
performance.
The
study
emphasizes
significance
different
blends,
compositions,
nanoparticle
additions
determining
performance
emissions.
Results
vary
based
type,
size,
concentration,
blend
composition.
examines
impact
nanoparticles
various
aspects
including
density,
viscosity,
cetane
number,
calorific
value,
flash
points.
found
that
additives
significantly
influence
Brake
Thermal
Efficiency
combustion
efficiency.
also
nanoparticle-enhanced
blends
improved
ignition
faster
evaporation,
higher
oxygen
content,
elevated
numbers,
leading
cleaner
more
environmentally
friendly
operation.
research
supports
beneficial
effects
characteristics
emissions
reduction.
suggests
can
improve
fuel
characteristics,
performance,
reduction
but
cautions
against
potential
findings
suggest
further
optimization
for
sustainable
efficient
pursuing
greener
transportation
fuels,
highlighting
blends.
Journal of Materials Research and Technology,
Journal Year:
2023,
Volume and Issue:
27, P. 5854 - 5867
Published: Nov. 1, 2023
The
microwave
cladding
technique
for
depositing
Ni
and
10
%
B4C
coatings
on
304
stainless
steel
has
yielded
significant
advancements
in
material
properties
performance.
key
findings
of
this
study
revealed
remarkable
improvements,
including
a
43.33%
increase
hardness,
indicating
enhanced
wear
resistance
mechanical
properties.
This
improvement
was
attributed
to
the
uniform
distribution
surface,
ensuring
consistent
interfacial
layer
developed
between
SS
surface
without
cracks
porosity.
Microstructural
analysis
at
500×
magnification
unveiled
an
impressive
2233.35
grains
per
square
inch,
showcasing
refined
grain
structure
achieved
during
process.
Wear
testing
demonstrated
low
rate
0.00308
mm³/m
favorable
coefficient
friction
0.1981,
confirming
material's
suitability
applications
with
demanding
frictional
conditions.
Furthermore,
corrosion
behavior
coated
assessed,
revealing
minimal
weight
loss
only
0.42
mg
10%
sample.
presence
various
carbide
phases,
such
as
Cr2C,
Cr23C6,
Cr7BC4,
Fe5C2,
Fe23B6,
within
further
contributed
Journal of Materials Research and Technology,
Journal Year:
2023,
Volume and Issue:
27, P. 1072 - 1096
Published: Oct. 5, 2023
The
rotavator
blade,
a
part
of
an
agricultural
equipment
rotavator,
is
used
for
the
soil
bed
preparation.
These
blades
have
direct
interaction
with
in
land.
Bad,
rocky,
gravel,
sandy,
and
high
rough-hard
texture
are
main
factor
to
damage
surface
blade
wear
rate
observed.
This
causes
decrease
overall
life
blade.
It
also
changes
geometry
after
few
operations,
that
all
effects
performance
capability
this
Hence
HVOF
(High-velocity
oxy-fuel)
modify
improved
resistance
blade’s
surface.
Feedstock
powder
coating
WC-10%Co-4%Cr
Ni-20%Cr
as
bond
coat
on
30MNCRB5
steel
substrate
(Rotavator
material).
Six
samples
prepared
test
it
Pin-On-Disc
testing
apparatus
determine
rate,
weight
loss,
cumulative
volume
loss
linear
three
bare
coated
8mm
diameter
30mm
length
cylindrical
pin
shape.
Coated
characterized
using
XRD
(X-ray
diffraction),
SEM
(Scanning
electron
microscope)
EDAX
(Energy-dispersive
spectroscopy),
X-ray
mapping
techniques.
Worn
out
surfaces
investigated
study
microstructure
worn
helped
identify
behavior.
spray
drastically
defend
from
wear,
very
less
was
seen
compared
material.
Weight
determined
by
(30MNCRB5)
material
at
40N,
50N,
60N
loads
2.996
×10-3
Kgm,
3.003
3.123
(WC-10%Co-4%Cr)
sample
0.006
0.030
0.038
Kgm
respectively.
Journal of Materials Research and Technology,
Journal Year:
2023,
Volume and Issue:
28, P. 2582 - 2601
Published: Dec. 24, 2023
Polymer
matrix
composites
reinforced
with
fibers/fillers
are
extensively
used
in
several
tribological
components
of
automotive
and
boating
applications.
The
mechanical
performance
polymer
improves
by
incorporating
nanofillers
as
secondary
reinforcement.
present
research
work
fabricated
carbon
fabric-reinforced
epoxy
using
the
hand
layup.
were
0.1
wt%,
0.2
0.5
wt%
nanotubes
(CNT)
fillers
Tribological
properties
filled
CNT
have
been
carried
out
a
pin‐on‐disc
method.
Adding
significantly
behaviour
reducing
wear
rate
coefficient
friction.
large
surface
area
interaction
due
to
higher
aspect
ratio
shows
improved
adhesion
between
fabrics.
It
various
characteristics
composites—also,
an
analysis
worn
surfaces
is
analyze
mechanisms
scanning
electronic
microscopy.
employs
combination
experimental
analyses
machine
learning
(ML)
techniques
explore
resistance,
hardness,
predictive
modeling
volume
loss
composites.
hyperparameter
fine-tuning
ML
algorithms,
including
Random
Forest
(RF),
k-Nearest
Neighbors
(KNN),
XGBoost,
demonstrates
superior
capabilities,
particularly
RF.
study
bridges
material
science,
ML,
practical
applications,
contributing
valuable
insights
for
developing
advanced
composite
materials.
Journal of Materials Research and Technology,
Journal Year:
2023,
Volume and Issue:
28, P. 4299 - 4316
Published: Dec. 30, 2023
The
microstructure,
homogeneity,
and
tribo-corrosion
behavior
of
microwave-developed
Nickel
as
well
titanium
dioxide
SS-304
cladding
surfaces
are
the
primary
emphasis
this
research.
study
includes
assessing
hardness
enhancement
from
Ni
TiO2
particles
in
surface.
investigation
additionally
evaluates
surface
wear
rates,
friction
coefficients,
resistance
to
corrosion
under
tribological
conditions.
with
developed
by
microwave
energy
were
investigated
study.
microstructure
was
being
examined
validate
uniformly
homogeneous
dispersion
particles,
XRD
employed
determine
phases.
evaluated,
a
pin-on-disk
tribometer
has
assessed
behavior.
Tribo-corrosion
tested
3.5-percent
NaCl
solution.
To
enhance
cladding's
efficiency,
hybrid
heating
(MHH)
utilising
charcoal
susceptor
been
employed.
Findings
exhibited
that
analysis
showed
had
uniform
distribution
compact
microstructure.
significantly
improved
about
37.68%
due
incorporation
10%
particles.
FeNi3,
NiSi2,
Ni3C,
NiC,
Ni2Si,
FeNi,
phases
seen
on
conditions
also
evaluated
using
tribometer.
outcomes
have
decreased
rates
coefficients
compared
uncoated
substrate.
Moreover,
3.5%
rate
coefficient
measured
be
0.00412
mm3/m
0.297,
respectively.
results
indicated
enhanced
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Feb. 8, 2024
Abstract
The
present
investigation
has
employed
recycled
waste
glass
powder
(WGP)
and
silicon
nitride
(Si
3
N
4
)
as
reinforcing-agents
within
AZ91D-matrix
composites.
composites
were
fabricated
by
employing
the
vacuum
stir
casting
technique
to
mitigate
effects
of
oxidation
ensure
homogeneity,
uniformity,
superior
wettability
among
reinforcements.
A
microscopic
study
provided
confirmation
a
uniform
dispersion
WGP
Si
particles
throughout
AZ91D-matrix.
tensile
strength
AZ91D/WGP/Si
rise
with
inclusion
particulates
up
1.5
percent
in
AZ91D/7.5%
.
However,
AZ91D/9%Si
composite
have
showed
maximum
value
compared
other
chosen
formulations/combinations
current
investigation.
AZ91D/1.5%
WGP/7.5%
strengthened
12.13
comparison
base
alloy
In
A1
formulated
composite,
amount
particulate
enhanced
hardness
AZ91D-alloy
percent.
Findings,
nevertheless
exhibited
that
A6
had
outcomes
terms
hardness.
incorporation
“reinforcing-constituent
particulates”
1.5%WGP
+
7.5%Si
combination
AZ91D-matrix,
further
increased
fatigue-strength
around
57.84
weight-loss
0.312
mg
was
being
unveiled
for
composite.
however,
reported
be
0.294
mg.
At
5
loads,
2
m/s
sliding
speed,
1000
m
distance,
developed
1.5%WGP/7.5%Si
/AZ91D
rate
wear,
frictional
coefficient
0.0025
mm
/m
0.315,
respectively.
scanning
electron
microscopy
(SEM)
identified
presence
corrosion
pits
on
surfaces
undergone
corrosion.
These
found
result
localised
surface
assaults
occurring
corrosive
environments.
Additionally,
SEM
pictures
worn
indicated
emergence
microcracks,
which
may
associated
conditions
cyclic
loading.
Moreover,
tensile-fractography
examination
brittle
fracture
failure,
including
cracks
debonding
phenomena.
addition,
EDS
spectra-analysis
revealed
an
apparent
existence
observed
Mg-peak,
Si-peak,
Al-peak,
Ca-peak,
O-peak
Furthermore,
utilisation
X-ray
diffraction
analysis
effectively
determined
hard
phases
inside
significantly
contributed
enhancement
wear
resistance.
development
harder-phases
included,
α-Mg,
Al
12
Mg
17,
SiO
,
MgO,
CaO
been
accountable
tribomechanical,
wear-resistance
characteristics
discovered
substantial
impact
enhancing
mechanical
performance
raising
resistance
wear.
Journal of Sustainability for Energy,
Journal Year:
2024,
Volume and Issue:
3(1), P. 1 - 20
Published: Feb. 4, 2024
The
integration
of
Artificial
Intelligence
(AI)
into
sustainable
energy
management
presents
a
transformative
opportunity
to
elevate
the
sustainability,
reliability,
and
efficiency
systems.
This
article
conducts
an
exhaustive
analysis
critical
aspects
concerning
AI-sustainable
nexus,
encompassing
challenges
in
technological
facilitation
intelligent
decision-making
processes
pivotal
for
frameworks.
It
is
demonstrated
that
AI
applications,
ranging
from
optimization
algorithms
predictive
analytics,
possess
revolutionary
capacity
bolster
energy.
However,
this
not
without
its
challenges,
which
span
complexities
socio-economic
impacts.
underscores
imperative
deploying
manner
transparent,
equitable,
inclusive.
Best
practices
solutions
are
proposed
navigate
these
effectively.
Additionally,
discourse
extends
recent
advancements
AI,
including
edge
computing,
quantum
explainable
offering
insights
evolving
landscape
Future
research
directions
delineated,
emphasizing
importance
enhancing
explainability,
mitigating
bias,
advancing
privacy-preserving
techniques,
examining
ramifications,
exploring
models
human-AI
collaboration,
fortifying
security
measures,
evaluating
impact
emerging
technologies.
comprehensive
aims
inform
academics,
practitioners,
policymakers,
guiding
creation
resilient
future.
ACS Omega,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Feb. 5, 2024
Recent
studies
focus
on
enhancing
the
mechanical
features
of
natural
fiber
composites
to
replace
synthetic
fibers
that
are
highly
useful
in
building,
automotive,
and
packing
industries.
The
novelty
work
is
woven
areca
sheath
(ASF)
with
different
fraction
epoxy
has
been
fabricated
tested
for
its
tribological
responses
three-body
abrasion
wear
testing
machines
along
features.
impact
various
examined.
study
also
revolves
around
development
validation
a
machine
learning
predictive
model
using
random
forest
(RF)
algorithm,
aimed
at
forecasting
two
critical
performance
parameters:
specific
rate
(SWR)
coefficient
friction
(COF).
void
observed
vary
between
0.261
3.8%
as
incremented.
hardness
mat
rises
progressively
from
40.23
84.26
HRB.
A
fair
ascent
tensile
strength
modulus
observed.
Even
though
short
descent
flexural
seen
0
12
wt
%
composite
specimens,
they
incrementally
raised
finest
values
52.84
2860
MPa,
respectively,
pertinent
48
fiber-loaded
specimen.
progressive
rise
ILSS
perceptible.
behavior
specimens
reported.
worn
surface
morphology
studied
understand
interface
ASF
matrix.
RF
exhibited
outstanding
prowess,
evidenced
by
high
R-squared
coupled
low
mean-square
error
mean
absolute
metrics.
Rigorous
statistical
employing
paired
t
tests
confirmed
model's
suitability,
revealing
no
significant
disparities
predicted
actual
both
SWR
COF.
Journal of Materials Research and Technology,
Journal Year:
2024,
Volume and Issue:
31, P. 4113 - 4127
Published: July 1, 2024
Hybrid
aluminium
matrix
composites
(HAMCs)
are
highly
valued
in
manufacturing
sectors
but
difficult
to
machine
conventionally
due
reinforcements'
inherent
hardness
and
abrasiveness.
This
research
finds
high-speed
wire
electric
discharge
machining
(WEDM)
be
a
potent
solution
for
stir-squeeze-casted
HAMC
(AA2024
with
ceramic
nanoparticles:
Al2O3,
SiC,
Si3N4,
BN)
creating
complex
profiles
superior
erosion
characteristics.
The
performance
has
been
assessed
terms
of
material
removal
rate
(MRR)
different
(plane,
angular,
curve),
wear
ratio
(WWR)
by
employing
variables,
i.e.,
pulse
voltage
(PV),
current
(PI),
feed
(WFR),
(P),
drum
speed
(DS).
Results
revealed
that
MRR_curve
highest
MRR
(37.84
mm3/min),
followed
MRR_angular
(36.07
mm3/min)
MRR_plane
(34.40
mm3/min).
lowest
WWR
(0.0094%)
was
achieved
at
lower
magnitudes
variables.
microscopic
observations
unveil
shallow
craters,
minute-sized
melt
redeposits,
micro-pores
on
machined
surface
under
the
conditions
PV
=
90
V,
PI
2
A,
WFR
13
m/min,
P
20
mu,
DS
40
Hz.
Optimization
using
non-dominated-sorting-genetic
algorithm
(NSGA-II)
resulted
significant
enhancements
75.37,
73.90,
76.01%
MRR_plane,
MRR_angular,
MRR_curve,
respectively,
depreciation
16.50%
WWR.