Surface Topography Metrology and Properties,
Год журнала:
2024,
Номер
12(4), С. 045002 - 045002
Опубликована: Окт. 7, 2024
Abstract
The
aim
of
this
work
is
to
synthesize
SiC
reinforced
Ni-Co-Fe-Ti
composite
using
powder
metallurgy
(PM)
method.
Two
sintering
methods,
conventional
(CS)
a
tubular
furnace
and
microwave
(MWS),
are
employed
three
different
weight
percentages
(3
wt%,
6
9
wt%)
within
matrix.
densification
behavior
synthesized
Ni-Co-Fe-Ti-SiC
composites
studied
sinterability
function.
highest
0.89
was
achieved
for
Ni-Co-Fe-Ti-0
wt.wt%
alloy.
rate
found
be
higher
in
MW
sintered
compared
those
conventionally.
3.5
wt%
NaCl
solution
considered
corrosion
examination
it
determined
that
Ni-Co-Fe-Ti-
exhibit
resistance.
Ni-Co-Fe-Ti-9
exhibits
compressive
strength
1050
MPa
than
(625
MPa).
Ni-Co-Fe-Ti-6
possess
hardness
58
HRC
among
other
prepared
composites.
Interestingly,
decreasing
trend
observed
further
inclusion
with
Ni-Co-Ti-Fe
Scanning
electron
microscopy
(SEM)
microstructural
characterization
technique
shows
the
formation
pores
But,
there
no
all
composition.
Tribological
studies
were
conducted
pin
on
disc
Worn
surface
morphology
analyzed
severe
pullout
worn
wt%SiC.The
best
optimum
set
parameters
(Sliding
Speed
1146
rpm,
Applied
Load
20
N)
out
Taguchi
Applications in Engineering Science,
Год журнала:
2024,
Номер
19, С. 100185 - 100185
Опубликована: Июнь 22, 2024
Analytical
investigation
of
the
impact
Nano
fluids
on
melting
process
phase
change
materials
(PCM)
inside
a
semi-cylindrical
container.
In
order
to
analyse
study
in
quantitative
manner,
combination
enthalpy
and
porosity
was
used
using
ANSYS/FLUENT
22
programme.
This
experiment
transition
materials,
namely
paraffin
wax
(RT58).
Based
findings
this
research,
it
is
seen
that
inclusion
fluid
PCMs
accelerates
dissolving
compared
without
these
materials.
The
use
nanomaterials
results
reduction
time
needed
complete
by
3%,
4%,
5%
when
at
concentrations
10%,
20%,
30%,
respectively.
important
for
phase-change
cooling
large
electronic
devices.
Journal of Engineering Research,
Год журнала:
2024,
Номер
unknown
Опубликована: Май 1, 2024
Steam
power
plants
forms
an
effective
share
of
global
electricity
production.
Thus,
improving
such
performance
is
crucial
to
minimize
its
environmental
effects
and
enhance
operational
economy.
Al-Mosyab
thermal
station
in
Iraq
considered
as
a
case
study
this
paper,
with
objective
achieving
best
system
performance.
A
combined
pinch
&
exergy
analysis
(CPEA)
conducted
under
actual
operating
conditions.
Further
analytical
attempt
varying
pressure
(165,
175,
185)
bar,
temperature
(450,
550,
620)
°C
at
selected
cycle
location.
Examining
thereby
the
impact
each
variable
on
output,
destruction
2nd
low
efficiency.
The
Engineering
Equation
Solving
program
(EES)
used
for
simulation
components
these
various
yielded
results
showed
that
maximum
mechanical
output
are
(36.75
94.88)
%
fuel
energy
respectively,
while,
turbine,
boiler
condenser
irreversibility
law
efficiency
(157.76,
1086.18,
303.19)
kJ/kg)
(88.36,
68.97,
28.68)
respectively.
part
however
high-pressure
turbine
network
increases
by
about
(1%)
variation,
while
increase
rise
up
(70%)
variation.
Final
concluded
predicted
could
be
obtained
(175)
bar
(620)
