Materials Research Express,
Год журнала:
2024,
Номер
11(9), С. 096503 - 096503
Опубликована: Авг. 28, 2024
Abstract
In
the
realm
of
advanced
materials
engineering,
development
hybrid
nanocomposites
has
garnered
significant
attention
due
to
their
superior
mechanical
properties
and
potential
applications.
The
primary
aim
this
research
is
develop
a
surface
nanocomposite
using
Al1050
aluminium
alloy
(5
mm
thickness)
as
base
material
through
friction
stir
processing.
B
2
O
3
nano-powder,
averaging
100
nm
in
size,
Cu
micro-powder,
5
μm
were
incorporated
into
various
volume
ratios
Friction
Stir
Processing
(FSP).
processing
parameters
included
tool
rotational
speed
1250
rpm,
feed
rate
50
min
−1
,
tilt
angle
3°.
number
passes
was
set
at
two
levels:
1
passes.
influence
ratio
constituents
on
microstructure
resulting
composite
thoroughly
explored.
samples
underwent
tensile
tests,
microhardness
metallographic
examinations
both
Optical
Microscopy
(OM)
Field
Emission
Scanning
Electron
(FE-SEM).
with
25%-B
-75%-Cu
composition
exhibited
highest
stress
hardness
values,
measuring
139
MPa
58.14
HV,
respectively.
enhanced
strength
sample
attributed
presence
additives
resultant
grain
size.
Materials,
Год журнала:
2025,
Номер
18(5), С. 1179 - 1179
Опубликована: Март 6, 2025
For
the
busting
of
heat,
generated
in
electronic
packages,
relevant
materials
need
to
be
developed.
Metal
matrix
composites
may
considered
as
an
option
tailor
properties
a
material
(Cu)
by
incorporating
additional
phase
(SiC)
for
fulfilling
requirements
thermal
management
systems.
The
composite
(Cu/SiC)
was
manufactured
friction
stir
processing.
good
interfacial
strength,
biggest
challenge
fabrication
Cu/SiC
abolish
reaction
between
Cu
and
SiC.
Being
solid
nature,
process
(friction
processing)
does
not
allow
temperature
reach
interaction.
Scanning
electron
microscopy,
backscattered
diffraction,
optical
microscopy
were
used
characterise
microstructural
features
(particle
dispersion,
phases
present).
To
confirm
presence
reinforcement,
EDS
analysis
also
performed
on
composite.
Results
indicated
SiC
zone
(SZ)
with
uniform
homogeneous
separation
reinforcements.
displayed
higher
hardness,
tensile
wear
resistance
comparison
unprocessed
copper.
However,
ductility
decreased
due
high
hardness
