Proceedings of the Institution of Mechanical Engineers Part L Journal of Materials Design and Applications,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 27, 2024
In
the
present
work,
egg
shell
and
Tungsten
disulphide
particles
are
reinforced
in
AZ31B
alloy
using
friction
stir
process.
Initially,
ES
WS
2
mixed
at
different
weight
ratios
(25/75,
50/50
75/25)
then
plates
a
taper
threaded
FSP
tool
rotation
speed
of
1000
rpm,
axial
load
6
kN
traverse
10
mm/min
hole
method.
The
post
macroscopic
analysis
showed
that
defect
free
hybrid
surface
composite
is
obtained
with
75wt
%ES
25wt
%
alloy.
grain
size
reduced
from
15
µm
to
5
due
addition
75wt%
25wt%
through
FSP.
mechanical,
corrosion
tribological
responses
AZ31B/75ES/25WS
observed
compared
FSPed
without
reinforcements
base
microhardness
improved
by
66%
83%
respectively
Similarly,
ultimate
tensile
strength
16%
31%
but
elongation
decreased
70%
78%
rates
22%
48%
dry
sliding
wear
for
varying
applied
(10
N,
20
N
30
N)
velocity
(1.5
m/s,
2.6
m/s
3.6
m/s)
constant
distance
2000
m.
alloy,
mechanism
initially
dominated
delamination
ploughing
phenomena
high
condition,
delaminated
worn
out
debris
based
tribolayer
rate.
composite,
adhesive
formed
rate
condition.
Journal of Materials Research and Technology,
Год журнала:
2023,
Номер
27, С. 932 - 943
Опубликована: Окт. 5, 2023
In
this
investigation,
cold-rolled
Al1050
sheets
underwent
various
passes
of
Friction
Stir
Processing
(FSP),
namely
one,
three,
and
five.
Then,
microstructural
evolution
was
assessed
by
focusing
on
underlying
restoration
phenomena,
including
severe
dynamic
recovery
(DRV)
continuous
recrystallization
(CDRX),
their
corresponding
effects
mechanical
surface
properties
were
evaluated.
Findings
illustrated
that
initial
cold-rolling
its
high
stacking
fault
energy
are
the
primary
driving
forces
for
accelerating
DRV,
contributing
to
supremacy
DRV-induced
softening
over
sub-grain
strengthening
caused
CDRX.
Increasing
FSP
pass
number
resulted
in
a
drop
yield
stress
(YS),
ultimate
tensile
strength
(UTS),
microhardness
values
FSP-treated
samples
such
UTS
five
FSPed
decreased
∼18%,
32%,
35%,
respectively,
compared
Al1050.
Conversely,
%elongation
dramatically
increased
with
increasing
number,
which
is
evident
from
stress-strain
curves
fracture
surfaces.
Furthermore,
mean
coefficient
friction
(MCOF)
weight
loss
during
pin-on-disk
test.
Also,
conducting
improved
corrosion
resistance
base
metal.
However,
reduced
due
grain
growth
one-pass
sample
better
than
sample.
Repeating
led
excessive
frictional
heat
input
matrix,
after
passes,
thereby
decreasing
resistance.
Proceedings of the Institution of Mechanical Engineers Part L Journal of Materials Design and Applications,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 27, 2024
In
the
present
work,
egg
shell
and
Tungsten
disulphide
particles
are
reinforced
in
AZ31B
alloy
using
friction
stir
process.
Initially,
ES
WS
2
mixed
at
different
weight
ratios
(25/75,
50/50
75/25)
then
plates
a
taper
threaded
FSP
tool
rotation
speed
of
1000
rpm,
axial
load
6
kN
traverse
10
mm/min
hole
method.
The
post
macroscopic
analysis
showed
that
defect
free
hybrid
surface
composite
is
obtained
with
75wt
%ES
25wt
%
alloy.
grain
size
reduced
from
15
µm
to
5
due
addition
75wt%
25wt%
through
FSP.
mechanical,
corrosion
tribological
responses
AZ31B/75ES/25WS
observed
compared
FSPed
without
reinforcements
base
microhardness
improved
by
66%
83%
respectively
Similarly,
ultimate
tensile
strength
16%
31%
but
elongation
decreased
70%
78%
rates
22%
48%
dry
sliding
wear
for
varying
applied
(10
N,
20
N
30
N)
velocity
(1.5
m/s,
2.6
m/s
3.6
m/s)
constant
distance
2000
m.
alloy,
mechanism
initially
dominated
delamination
ploughing
phenomena
high
condition,
delaminated
worn
out
debris
based
tribolayer
rate.
composite,
adhesive
formed
rate
condition.
