On the Impact of Stack Patterns on the Microstructure and Wear Performance of Colmonoy 6 Coatings deposited on SS 304 via PTAW
Results in Surfaces and Interfaces,
Год журнала:
2024,
Номер
unknown, С. 100365 - 100365
Опубликована: Ноя. 1, 2024
Язык: Английский
Corrosion performance of super duplex stainless steel and pipeline steel dissimilar welded joints: a comprehensive investigation for marine structures
The International Journal of Advanced Manufacturing Technology,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 4, 2024
Язык: Английский
Effect of preplaced graphene and graphite films on the substrate of Stellite 6 metallurgical coatings processed by PTA
Surface and Coatings Technology,
Год журнала:
2025,
Номер
unknown, С. 131734 - 131734
Опубликована: Янв. 1, 2025
Язык: Английский
Analysis of a plug stem failure in a pneumatic control valve
Canadian Metallurgical Quarterly,
Год журнала:
2025,
Номер
unknown, С. 1 - 9
Опубликована: Март 8, 2025
Язык: Английский
A process-driven experimental analysis of different wire-fed Directed Energy Deposition processes employing the Laser, Electric Arc and Plasma sources
The International Journal of Advanced Manufacturing Technology,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 23, 2025
Язык: Английский
Effect of Si addition on phase structure and wear resistance of CoCrFeMoNi alloy coatings
Journal of Measurements in Engineering,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 24, 2025
CoCrFeMoNi
high
entropy
alloy
coating
was
prepared
on
Q235
substrate
by
plasma
cladding
method.
The
phase
structure,
morphology
characteristics,
element
distribution,
microhardness,
and
wear
resistance
for
this
without
with
Si
doping
were
investigated
XRD,
OM,
SEM,
EDS,
microhardness
tester,
friction-wear
respectively.
results
show
that
is
composed
of
a
single
FCC
phase,
while
Si-containing
main
HCP
phase.
Both
alloys
have
typical
dendritic
structure.
There
layer
isotropic
fine-grained
region
near
the
fusion
line,
columnar
crystal
away
from
line.
After
adding
element,
enrichment
Mo
in
interdendrite
Co
dendrite
significantly
decreased,
which
related
to
can
provide
liquid
environment
longer
duration,
lower
viscosity,
greater
fluidity.
change
Cr
result
comprehensive
competition
mixing
enthalpy,
atomic
radius
difference,
electronegativity,
density,
melt
flowability
between
alloying
elements.
friction
coefficients
two
rapid
increase
first
then
gradually
stabilize
time.
hardness
are
greatly
improved,
mainly
lattice
distortion
formation
high-strength
reduction
internal
defects.
Язык: Английский
Investigation into tribocorrosion behaviors of CoCrFeNiNb laser-clad coatings with Y2O3
Materials Research Express,
Год журнала:
2024,
Номер
11(11), С. 116517 - 116517
Опубликована: Ноя. 1, 2024
Abstract
Some
components
made
of
titanium
alloys
will
serve
in
corrosive
environments
the
industry,
and
suffer
from
corrosion
wear
at
same
time.
However,
exhibit
high
rates
due
to
their
low
hardness
extremely
thin
oxidation
film
formed
on
surfaces,
which
can
accelerate
failure
reduce
service
life.
In
response
this
situation,
CoCrFeNiNb
high-entropy
(HEAs)
coatings
with
Y
2
O
3
(0
wt%,
1
wt%)
were
successfully
prepared
Ti6Al4V
by
laser
cladding.
The
effects
addition
content
microstructure,
mechanical
properties
investigated
comprehensively
x-ray
diffractometry
(XRD),
scanning
electron
microscopy
(SEM),
energy-dispersive
spectroscopy
(EDS),
microhardness
tests,
electrochemical
tests
tribocorrosion
work.
Other
than
them,
behaviors
especially
highlighted
two
different
(neutral
(pH
7)
acid
3)
solutions).
results
showed
significant
enhancement
introduction
microstructural
refinement
formation
Laves
phase
Cr
Nb
coatings.
coating
wt%
performed
most
excellent
resistance
solution:
E
corr
=
−0.12
V;
0.043
V)
increased
55.5%
115.0%
without
.
As
well
as,
also
demonstrated
lowest
3.32
×
10
−4
mm
·N
−1
·m
;
2.24
)
reduced
17.8%
33.3%
superior
make
CoCrFeNiNb+2
HEA
show
a
tremendous
potential
aerospace
marine
applications.
Язык: Английский
INVESTIGATIONS ON HARDFACING CHARACTERISTICS OF NI-BASED ALLOY ON ASS 304 USING PLASMA TRANSFERRED ARC WELDING AT DIFFERENT SPEEDS
International Journal of Modern Manufacturing Technologies,
Год журнала:
2024,
Номер
16(2), С. 32 - 40
Опубликована: Дек. 20, 2024
AISI
304
stainless
steel
is
one
of
the
most
commonly
used
austenitic
in
various
industries
such
as
petro-chemical,
nuclear
plant,
food,
bio-medical,
due
to
its
desirable
bulk
mechanical
properties
high
toughness,
corrosion
resistance,
etc.
However,
it
lacks
surface
wear
resistance
and
hardness
which
critically
required
severe
working
conditions.
Hardfacing
an
effective
method
increase
properties,
without
disturbing
characteristics.
Among
other
coating
techniques
MIG,
FCAW,
laser
cladding
so
on,
Plasma
transferred
arc
welding
can
be
considered
superior
terms
bond
strength,
controlled
dilution
deposition
rate.
Due
formation
quality,
single
layered
Ni-Cr-B-Si
alloy
coated
over
using
plasma
process
present
work.
parameters,
travel
speed
directly
affects
rate
heat
input
overlay
determines
cooling
influences
microstructure,
thickness
dilution.
In
this
work,
effect
was
observed
on
microhardness,
Slurry
abrasive
test
performed
evaluate
coating,
by
measuring
weight
loss
at
speed.
Wear
improved
a
factor
about
4
compared
substrate
material
shows
decreasing
trend
we
The
microhardness
go
500
HV
for
certain
Dilution
ranging
between
18%
32%
increases
with
because
low
higher
microstructure
investigation
dendritic
structure
borides
carbides,
concluded
reason
behind
obtained
hardness.
Formation
Ni-
γ
phase
also
top
layer
microstructure.
Язык: Английский