Zeitschrift für Naturforschung A,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 25, 2024
Abstract
This
study
investigated
the
impact
of
incorporating
a
CrFeNiTiZn
High
Entropy
Alloy
(HEA)
into
A356
aluminum
matrix
through
friction
stir
processing
(FSP)
technique.
The
HEA,
renowned
for
its
compositional
complexity
and
high-performance
potential,
was
incorporated
alloy
with
different
weight
percent
combinations
to
enhance
mechanical
tribological
characteristics.
results
revealed
refined
microstructure
characterized
by
solid
solution
phases
potential
intermetallic
compound
formation
due
HEA
addition
A356/2
%Cr2
%Fe2
%Ni2
%Ti2
%Zn
composition.
Strong
interfacial
bond
strength
also
observed
among
reinforcement
particles
number
grains
found
be
about
1820.34
(average
grain
size
is
686
µm)
processed
composite
FSP
per
square
inch
at
500
magnifications.
exhibited
improved
tensile
(35.70
%)
hardness
(63.33
after
2
alloy,
attributed
strengthening
effect
particles.
Furthermore,
wear
resistance
notably
enhanced,
likely
synergistic
effects
HEA’s
inherent
modified
microstructure.
Engineering Research Express,
Год журнала:
2024,
Номер
6(2), С. 025559 - 025559
Опубликована: Май 31, 2024
Abstract
In
this
study,
an
Al-Zn-Mg-Cu
alloy
matrix
serves
as
the
material,
with
Niobium
Carbide
(NbC)
and
Titanium
(Ti)
nanoparticles
acting
reinforcements
to
enhance
composite
strength.
Incorporating
nano-structured
significantly
both
strength
toughness,
surpassing
micro-sized
counterparts.
To
prevent
nanoparticle
agglomeration
during
manufacturing,
we
employ
vigorous
stirring
via
stir
casting
technique
ensure
uniform
dispersion
within
matrix.
SEM
analysis
confirms
of
NbC
Ti
Experimentally,
exhibits
exceptional
tensile
strength,
sample
B
achieving
highest
load
5500
N,
correlated
optimal
percentage
5
wt%
2
wt%.
However,
increasing
from
10
results
in
decreased
ductility
for
C.
Similar
trends
are
observed
bending
exhibiting
at
9023.8
samples
C
D.
Microhardness
demonstrate
increase
content,
peaking
230
HV,
but
declining
185
HV
reduced
concentrations.
Charpy
impact
tests
reveal
a
consistent
rise
energy
D,
attributed
escalating
proportion
relative
Ti.
Overall,
meticulous
material
selection
processing
optimization
essential
developing
high-performance
metal
composites
enhanced
mechanical
properties.
Zeitschrift für Naturforschung A,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 25, 2024
Abstract
This
study
investigated
the
impact
of
incorporating
a
CrFeNiTiZn
High
Entropy
Alloy
(HEA)
into
A356
aluminum
matrix
through
friction
stir
processing
(FSP)
technique.
The
HEA,
renowned
for
its
compositional
complexity
and
high-performance
potential,
was
incorporated
alloy
with
different
weight
percent
combinations
to
enhance
mechanical
tribological
characteristics.
results
revealed
refined
microstructure
characterized
by
solid
solution
phases
potential
intermetallic
compound
formation
due
HEA
addition
A356/2
%Cr2
%Fe2
%Ni2
%Ti2
%Zn
composition.
Strong
interfacial
bond
strength
also
observed
among
reinforcement
particles
number
grains
found
be
about
1820.34
(average
grain
size
is
686
µm)
processed
composite
FSP
per
square
inch
at
500
magnifications.
exhibited
improved
tensile
(35.70
%)
hardness
(63.33
after
2
alloy,
attributed
strengthening
effect
particles.
Furthermore,
wear
resistance
notably
enhanced,
likely
synergistic
effects
HEA’s
inherent
modified
microstructure.
