Study on the mechanism of influence of different overlap rate on the remelting and recrystallization behavior of the front first cladding layer
Applied Physics A,
Journal Year:
2025,
Volume and Issue:
131(5)
Published: April 13, 2025
Language: Английский
Mechanisms of enhanced wear resistance in 17-4PH alloy through graphene nanoplates: From phase transformation to microstructural strengthening
Tianqi Wang,
No information about this author
Fan Wu,
No information about this author
Bin Wang
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et al.
Journal of Manufacturing Processes,
Journal Year:
2025,
Volume and Issue:
143, P. 205 - 218
Published: April 14, 2025
Language: Английский
Powder-infused arc cladding for enhanced mechanical and corrosion performance
Surface Engineering,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 24, 2025
This
study
investigates
the
influence
of
Inconel
625
and
chromium
(Cr)
powders
on
mechanical
corrosion
performance
AM70
(8MnNiMoCrSi7-6-5)
steel
clads,
produced
via
arc-directed
energy
deposition
process
AISI
1020
substrates.
The
surface
properties
clads
are
enhanced
with
addition
625,
a
nickel
superalloy,
powders.
Three
clad
compositions,
AM70,
Cr
tested
compared
each
other
substrate
material.
Results
show
that
GMAW
(gas
metal
arc
welding)-WAAM
(wire
additive
manufacturing)
produces
dense,
homogeneous
cladding
layers
smooth
interfaces,
ensuring
strong
bonding
defect-free
fusion
zones.
significantly
improves
microhardness
through
solid
solution
strengthening,
Cr+AM70
reaching
463.14
HV
0.5
,
three
times
harder
than
substrate.
Corrosion
evaluations
reveal
IN625+AM70
exhibits
best
performance,
minimal
current
density,
highest
positive
potential,
greatest
impedance
modulus.
These
findings
demonstrate
powder-infused
GMAW-WAAM
promising
for
use
in
sectors
such
as
aviation,
automotive,
maritime.
Language: Английский
Study on microstructure and tribological property of aluminium-nickel composites fabricated by bottom pour stir casting
R Keerthivasan,
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A. Elayaperumal,
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M. Wasim Khan
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et al.
Journal of Adhesion Science and Technology,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 22
Published: Dec. 8, 2024
The
present
research
explores
the
mechanical
and
tribological
behaviour
of
Ni-reinforced
aluminium
composite.
alloy-1050
series
has
generally
poor
wear
resistance.
To
enhance
resistance,
a
bottom
pour
stir
casting
method
been
used
to
reinforce
hard
Ni
particles
in
alloy
at
different
weight
percentages
(6,
12,
18
wt%).
As
per
microstructural
analysis,
manufactured
base
composite
materials
have
polycrystalline
structure.
peritectic
reaction
creates
intermetallic
Al3Ni
phase
composites
terms
chemical
reactions
between
Ni.
XRD
analysis
demonstrated
presence
composites.
phase's
strong
atomic
bonding
enhanced
work
adhesion,
hardness,
dry
sliding
cast-AA
examined
by
pin-on-disc
instrument
loads
(20
40
N)
against
hardened
EN31
steel
disc.
worn
surface
SEM
images
resulted
following
mechanisms:
ploughing,
delamination,
abrasion.
CoF
debris
size
increased
increasing
load
from
20
N
N.
Language: Английский
Process Optimization and Wear Performance of Plasma-Cladding Fe5 Coatings on Rotary Tillage Blades
Jiang Zeng,
No information about this author
Y. Ma,
No information about this author
Zhichao Fang
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et al.
Applied Sciences,
Journal Year:
2024,
Volume and Issue:
15(1), P. 77 - 77
Published: Dec. 26, 2024
Objective:
This
study
was
conducted
to
address
the
harsh
working
environment
of
agricultural
machinery
and
improve
wear
resistance
soil-contacting
components
such
as
rotary
tiller
blades,
thereby
extending
their
service
life.
Method:
Plasma-cladding
technology
employed
prepare
an
iron-based
wear-resistant
coating
on
surface
blades.
The
following
parameter
combination
optimized
using
response
methodology
(RSM):
a
cladding
current
144A,
speed
23
mm/s,
powder
feeding
rate
g/min,
distance
12
mm.
microstructure
morphology,
phase
composition,
microhardness,
layer
were
investigated.
Results:
results
indicate
that
interface
is
clean
free
from
significant
porosity
or
defects,
exhibiting
good
metallurgical
bonding
with
substrate.
primary
phases
identified
in
include
α-Fe,
Cr7C3,
Cr2Fe14C,
Cr-Ni-Fe-C
solid
solutions.
average
hardness
1171
Hv0.5,
approximately
2.9
times
In
wet
sand–rubber
wheel
tests
under
identical
conditions,
weight
loss
only
1/21
65Mn
steel,
minimal
morphology.
Field
trials
showed
blade
reduced
by
24.5%
compared
unclad
blade.
presence
significantly
protected
integrity
cutting
edge,
ensuring
functionality
throwing
soil;
thus,
its
original
appearance
maintained
even
after
prolonged
wear.
findings
this
can
provide
valuable
reference
for
enhancement
other
components.
Language: Английский