Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Ноя. 30, 2024
This
study
presents
an
advanced
approach
utilizing
vacuum
distillation
(VD)
to
purify
Al
from
Al–Mg
alloys.
The
activity
coefficients
of
Al-Mg
binary
alloy
components
were
meticulously
determined
by
applying
the
molecular
interaction
volume
model
(MIVM),
non-random
two-liquid
(NRTL)
model,
and
Wilson
equation.
Comparative
analysis
between
experimental
data
calculated
enabled
selection
optimal
exhibiting
high
computational
accuracy
extensive
applicability.
NRTL
chosen
for
its
precision,
was
then
employed
compute
across
various
temperatures,
leading
development
a
vapor-liquid
equilibrium
(VLE)
diagram.
VLE
diagram
provides
robust
quantitative
foundation
assessing
purification
limits
within
temperature
range
973–1373
K
in
process.
Theoretical
analyses
underscore
that
VD
offers
rapid
efficient
method
purification.
Experimental
verification
at
kilogram
scale,
conducted
1373
120
min,
achieved
purity
level
99.9989%
with
direct
recovery
efficiency
97.98%.
Notably,
this
process
aligns
environmental
standards
sustainable
metallurgical
practices,
as
it
prevents
release
gaseous
emissions
or
effluents,
thereby
meeting
industry's
growing
demand
eco-friendly
recycling
methods.
Engineering Technology & Applied Science Research,
Год журнала:
2024,
Номер
14(5), С. 16818 - 16826
Опубликована: Окт. 9, 2024
Nickel
Aluminum
Bronze
(NAB)
alloys
display
characteristics
like
superior
strength
and
excellent
wear
resistance.
In
this
work,
NAB
was
reinforced
using
various
volume
fractions
of
yttrium
(Y2O3)
and/or
carbon
nanotube
(CNT)
particles
prepared
the
Powder
Metallurgy
(PM)
method.
General
full
factorial
design
used
in
MiniTab19
software.
The
experimental
results
showed
a
significant
influence
Y2O3
CNT
on
mechanical
physical
properties.
optimal
were
recorded
for
sample
having
6
vol.%
1.5
CNT.
This
exhibited
highest
effect
with
hardness
value
288
Hv,
porosity
10.2%,
surface
roughness
0.15
µm,
average
particle
size
37.55
rate
0.0000313
g/mm,
friction
coefficient
0.68.
demonstrated
that
there
is
an
improvement
64%
microhardness
comparison
base
alloy.
Porosity,
roughness,
rate,
coefficient,
grain
reduced
by
4%,
81%,
71%,
31%,
24%,
respectively.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Ноя. 30, 2024
This
study
presents
an
advanced
approach
utilizing
vacuum
distillation
(VD)
to
purify
Al
from
Al–Mg
alloys.
The
activity
coefficients
of
Al-Mg
binary
alloy
components
were
meticulously
determined
by
applying
the
molecular
interaction
volume
model
(MIVM),
non-random
two-liquid
(NRTL)
model,
and
Wilson
equation.
Comparative
analysis
between
experimental
data
calculated
enabled
selection
optimal
exhibiting
high
computational
accuracy
extensive
applicability.
NRTL
chosen
for
its
precision,
was
then
employed
compute
across
various
temperatures,
leading
development
a
vapor-liquid
equilibrium
(VLE)
diagram.
VLE
diagram
provides
robust
quantitative
foundation
assessing
purification
limits
within
temperature
range
973–1373
K
in
process.
Theoretical
analyses
underscore
that
VD
offers
rapid
efficient
method
purification.
Experimental
verification
at
kilogram
scale,
conducted
1373
120
min,
achieved
purity
level
99.9989%
with
direct
recovery
efficiency
97.98%.
Notably,
this
process
aligns
environmental
standards
sustainable
metallurgical
practices,
as
it
prevents
release
gaseous
emissions
or
effluents,
thereby
meeting
industry's
growing
demand
eco-friendly
recycling
methods.
