High Temperature Material Processes An International Quarterly of High-Technology Plasma Processes,
Journal Year:
2023,
Volume and Issue:
28(2), P. 65 - 80
Published: Nov. 9, 2023
The
properties
of
Zr-ZrN,
Zr,Hf-(Zr,Hf)N
and
Zr,Nb-(Zr,Nb)N
coatings
deposited
on
a
Ti6Al-4V
titanium
alloy
substrate
were
studied.
It
has
been
established
that
the
introduction
hafnium
increases,
niobium
reduces
hardness
coating.
also
reduces,
value
critical
fracture
load
L<sub>C2</sub>
in
scratch
test.
layer
nanocrystallites
can
form
at
interface
between
This
is
presumably
formed
by
particles
an
oxide
film
destroyed
during
ion
etching,
spontaneously
surface
alloy.
All
samples
with
have
noticeably
lower
values
adhesive
component
friction
coefficient
f<sub>adh</sub>
compared
to
uncoated
sample
all
temperatures.
At
room
temperature,
Zr-ZrN-coated
best
value,
but
when
temperature
rises
500°C
above,
Zr,Hf-(Zr,Hf)N-coated
obvious
advantage.
Coatings,
Journal Year:
2024,
Volume and Issue:
14(10), P. 1304 - 1304
Published: Oct. 12, 2024
The
coatings
of
ZrN,
(Zr,Ti)N,
(Ti,Zr,Hf)N
and
(Ti,Zr,Nb)N
deposited
on
the
titanium
alloy
substrate
were
compared.
wear
resistance
in
pin-on-disk
test
together
with
Al2O3
indenter
corrosion
3.5%
NaCl
solution
studied.
It
was
found
that
(Zr,Nb,Ti)N
coating
has
best
to
wear,
but
low
resistance.
coating,
contrary,
resistance,
wear.
ZrN
good
combined
This
is
suited
for
use
friction
conditions
a
ceramic
counterbody
under
influence
seawater.
An
important
resource
increasing
properties
their
adhesion
substrate,
which
can
be
achieved
two
ways:
(1)
complete
removal
original
oxide
layer
from
surface
(2)
optimal
compositions
adhesive
sublayer,
have
not
only
high
relation
both
also
strength.
While
introduction
Nb
into
composition
increases
Hf
without
additives
resists
simultaneously.
High Temperature Material Processes An International Quarterly of High-Technology Plasma Processes,
Journal Year:
2023,
Volume and Issue:
28(2), P. 65 - 80
Published: Nov. 9, 2023
The
properties
of
Zr-ZrN,
Zr,Hf-(Zr,Hf)N
and
Zr,Nb-(Zr,Nb)N
coatings
deposited
on
a
Ti6Al-4V
titanium
alloy
substrate
were
studied.
It
has
been
established
that
the
introduction
hafnium
increases,
niobium
reduces
hardness
coating.
also
reduces,
value
critical
fracture
load
L<sub>C2</sub>
in
scratch
test.
layer
nanocrystallites
can
form
at
interface
between
This
is
presumably
formed
by
particles
an
oxide
film
destroyed
during
ion
etching,
spontaneously
surface
alloy.
All
samples
with
have
noticeably
lower
values
adhesive
component
friction
coefficient
f<sub>adh</sub>
compared
to
uncoated
sample
all
temperatures.
At
room
temperature,
Zr-ZrN-coated
best
value,
but
when
temperature
rises
500°C
above,
Zr,Hf-(Zr,Hf)N-coated
obvious
advantage.