Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Aug. 28, 2023
Abstract
Direct
correlations
were
established
between
basic
surface
integrity
(SI)
characteristics
(roughness,
microhardness,
residual
stresses)
obtained
as
a
result
of
cold
working
(SCW)
and
bending
fatigue
limit
chromium-nickel
austenitic
stainless
steels
(CNASS).
The
results
experimental
tests
optimization
the
SCW
process,
implemented
via
hardening
diamond
burnishing
(DB),
are
presented.
When
requirement
for
corresponding
component
is
high
limit,
information
will
help
researcher
to
find
inverse
correlation
SI
finishing
so
that
when
process
implementing
by
another
method,
same
can
be
achieved.
Five
roughness
parameters
functionally
significant
indicators
behavior,
axial
hoop
stresses
form
vector
objective
functions.
governing
factors
force
number
passes.
was
accelerated
Locati’s
method.
models
planned
experiment
regression
analyses.
eliminating
variables
in
pairs
models.
change
trends
microhardness
found
identical,
i.e.,
CNASS
controlled
inexpensively
measured
such
microhardness.
In
other
words,
any
static
coldworking
optimized
without
carrying
out
choosing
these
functions
seeking
compromise
optimal
solution
simultaneously
achieves
values
skewness
low
value
parameter
Ra.
Given
direct
maximizes
while
satisfying
particular
requirements.
multi-objective
performed
comparisons
made
prove
effectiveness
proposed
approach.
Machines,
Journal Year:
2024,
Volume and Issue:
12(1), P. 51 - 51
Published: Jan. 11, 2024
The
article
presents
a
new
method
called
slide
roller
burnishing
(SRB)
for
the
cold
working
of
cylindrical
surfaces
on
machine
tools
implemented
with
novel
multi-functional
device.
machined
material
is
chromium–nickel
austenitic
stainless
steel.
deforming
element
toroidal
whose
axis
crosses
that
workpiece.
As
result,
relative
sliding
velocity
occurs
in
contact
zone
between
and
surface.
vector
set
using
theoretical
background
SRB
presented.
When
two
axes
are
parallel,
well-known
(RB)
implemented.
Thus,
RB
special
case
SRB.
Both
processes
realized
process
was
studied
experimentally
optimized
according
to
three
criteria,
based
relationship
surface
integrity
operating
behavior
respective
component,
achieve
processes:
smoothing,
hardening,
mixed
burnishing.
Using
optimal
parameters
obtained,
dependence
results
crossing
angle
investigated
optimized.
A
comparative
analysis
performed
(respectively
their
variants:
mixed)
geometrical
physical–mechanical
characteristics
integrity.
main
advantage
it
provides
smaller
height
roughness
(improvement
by
42%)
higher
microhardness
7%)
than
RB.
Materials,
Journal Year:
2023,
Volume and Issue:
16(21), P. 6983 - 6983
Published: Oct. 31, 2023
This
article
presents
an
analysis
of
the
impact
vibratory
shot
peening
on
surface
roughness
and
physical
properties
Ti6Al4V
titanium
alloy
layer
after
milling.
The
elements
machine
parts
structures
made
alloys
are
often
exposed
to
variable
loads
during
operation.
Therefore,
it
is
advisable
apply
methods
that
enhance
functional
increase
durability
interacting
components.
Increasing
operational
such
can
be
achieved
by
peening.
Variable
amplitudes
A
=
24;
33;
42;
51;
60
mm
times
t
1;
7;
13;
19;
25
min
were
applied.
It
has
been
demonstrated
possible
achieve
a
threefold
reduction
in
parameter,
Sa
0.344
µm,
compared
with
milling,
0.95
µm.
An
Smr(c)
areal
material
ratio
was
observed
shown
amplitude
greater
hardening
gh
time.
highest
rate
change
thickness
hardened
at
shot-peening
time
13
min.
greatest
layer,
exceeding
200
obtained
mm.
Materials,
Journal Year:
2024,
Volume and Issue:
17(14), P. 3403 - 3403
Published: July 10, 2024
Metal
products
for
the
metallurgical
and
machinery
industries
must
meet
high
requirements
in
terms
of
their
performance,
including
reliability,
accuracy,
durability
fatigue
strength.
It
is
also
important
that
materials
commonly
used
to
manufacture
such
specific
requirements.
Therefore,
various
techniques
technologies
modifying
surface
layer
are
becoming
more
widely
used.
These
include
burnishing,
which
may
be
dynamic
or
static.
This
article
studies
process
slide
burnishing
surfaces
cylindrical
objects.
The
was
performed
using
a
burnisher
with
rigid
diamond-tipped
clamp
on
general-purpose
lathe.
tests
were
corrosion-resistant
steel
X2CrNiMo17-12-2.
aim
research
determine
impact
changes
conditions
parameters-feed
rate,
depth
force
at
constant
speed-on
roughness
hardness.
Additionally,
microstructure
assessed
critical
areas:
core.
Another
phenomenon
observed
cracking,
would
destructive
due
occurrence
indentation.
In
paper,
it
stated
microstructure,
rather
grains,
area
oriented
direction
deformation.
layer,
no
cracks
other
flaws
revealed.
not
only
reduces
but
hardens
burnished
material.
Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(19), P. 9031 - 9031
Published: Oct. 6, 2024
This
study
aims
to
evaluate
the
influence
of
lubrication
and
cooling
conditions
in
diamond
burnishing
(DB)
process
on
surface
integrity
fatigue
limit
chromium–nickel
austenitic
stainless
steels
(CNASSs)
and,
this
basis,
identify
a
cost-effective
sustainable
DB
process.
Evidence
was
presented
that
CNASS
performed
without
lubricating
liquid
satisfies
requirements
for
process:
three
key
sustainability
dimensions
(environmental,
economic,
social)
are
satisfied,
cost/quality
ratio
is
favorable.
implemented
with
same
values
main
governing
factors;
however,
four
different
were
applied:
(1)
flood
(process
F);
(2)
dry
D);
(3)
air
at
temperature
−19
°C
A);
(4)
nitrogen
−31
N).
Conditions
A
N
realized
via
device
based
principle
vortex
tubes.
All
processes
provide
mirror-finished
surfaces
Ra
roughness
parameter
from
0.041
0.049
μm,
zones
residual
compressive
stresses
deeper
than
0.5
mm,
increases
specimens’
(as
determined
by
accelerated
Locati’s
method)
compared
turning
polishing.
Processes
F
D
produce
highest
microhardness
depth.
The
introduces
maximum
axial
hoop
layer.
(D,
A,
N)
form
submicrocrystalline
structure
high
atomic
density,
which
most
strongly
developed
under
D.
When
strength
required,
should
be
chosen,
as
it
provides
more
favorable
ratio,
whereas
suitable
choice
applications
require
increased
wear
resistance.
Materials,
Journal Year:
2023,
Volume and Issue:
16(17), P. 5904 - 5904
Published: Aug. 29, 2023
The
description
of
the
areal
texture
surface
is
more
comprehensive
than
that
roughness
profiles.
Ball
burnishing
led
to
an
improvement
in
quality.
In
this
work,
changes
textures
due
ball
were
studied.
Three
surfaces
steel,
two
after
milling
and
one
grinding,
subjected
burnishing.
process,
pressure
width
variable
parameters.
Surface
topographies
before
measured
using
a
white
light
interferometer.
was
found
lead
decrease
amplitude.
highest
relative
reduction
94%.
height
greater
with
higher
amplitude
hybrid
parameters
also
decreased
as
result
characteristics
spatial
mainly
depended
on
Machines,
Journal Year:
2023,
Volume and Issue:
11(9), P. 872 - 872
Published: Aug. 30, 2023
This
article
outlines
a
technology
for
hole-finishing
in
short-length
cylinder
lines
to
improve
wear
resistance.
The
is
based
on
an
optimized
diamond-burnishing
(DB)
process.
latter
was
implemented
conventional
and
CNC
lathes,
milling
machines,
machining
centers
using
simple
burnishing
device
with
elastic
beam.
material
used
this
study
AISI
321
austenitic
stainless
steel.
governing
factors
were
the
radius
of
diamond
insert,
force
feed
rate.
objective
functions
relating
surface
integrity
characteristics
selected
basis
their
functional
importance
relative
resistance
processed
hole
surface:
height
shape
roughness
parameters,
microhardness,
residual
axial
hoop
stresses.
one-factor-at-a-time
method
(used
reduce
factor
space),
planned
experiment,
regression
analyses
used.
multi-objective
optimization
tasks,
which
defined
three
insert
values
2,
3,
4
mm,
solved
via
Pareto-optimal
solutions
approach
available
non-dominated
sorting
genetic
algorithm
(NSGA-II).
Using
optimal
from
Pareto
fronts,
processed.
Samples
then
cut
these
reciprocating
sliding
tests
under
two
modes:
dry
friction
boundary
lubrication
friction.
Additionally,
test
samples
line,
finished
traditional
grinding.
A
finite
element
simulation
select
appropriate
pressing
force.
results
obtained
both
regimes
show
that
minimize
made
steel,
DB
2
mm
finishing
The
article
presents
a
new
method
called
slide
roller
burnishing
(SRB)
for
cold
working
of
cylindrical
surfaces
on
machine
tools,
implemented
with
novel
multi-functional
device.
machined
material
was
chromium–nickel
austenitic
stainless
steel.
deforming
element
is
toroidal
whose
axis
crosses
that
the
workpiece.
As
result,
relative
sliding
velocity
occurs
in
contact
zone
between
and
surface.
vector
set
using
theoretical
background
SRB
presented.
When
two
axes
are
parallel,
well-known
(RB)
implemented.
Thus,
RB
special
case
SRB.
Both
processes
realized
process
studied
experimentally
optimized
according
to
three
criteria,
based
relationship
surface
integrity
operating
behavio
respective
component,
achieve
processes:
smoothing,
hardening
mixed
burnishing.
Using
optimal
parameters
obtained,
dependence
results
crossing
angle
investigated
optimized.
A
comparative
analysis
performed
(respectively
their
variants:
mixed)
geometrical
physical–mechanical
characteristics
integrity.
main
advantage
it
provides
smaller
height
roughness
higher
microhardness
than
RB.
Advances in Science and Technology – Research Journal,
Journal Year:
2024,
Volume and Issue:
18(2), P. 284 - 295
Published: March 12, 2024
Both
dispersed
and
concentrated
shot
peening
can
be
an
effective
method
for
the
finishing
of
machine
components.This
work
investigates
effect
two
different
(SP)
processes
conducted
with
same
technological
parameters
on
selected
properties
surface
layer
gray
cast
iron
EN-GJL
250.Specifically,
regular
(RSP)
semi-random
(SRSP)
were
investigated
in
study.The
results
demonstrated
that
quality
250
samples
was
higher
after
RSP
than
SRSP.The
analyzed
roughness
lower
SRSP,
exception
Rvk
parameter.As
a
result
RSP,
increased
from
5%
to
62%
relation
their
values
pre-treatment.The
lowest
obtained
conduced
impact
energy
E
=
100
mJ,
distance
between
dimples
x
0.3
mm,
diameter
element
d
14.3
mm.Assessment
3D
topography
showed
significant
differences
formation
machining
traces
depending
employed
treatment.In
arranged
uniform
manner,
assumed
step,
whereas
SRSP
had
no
set
pattern
orientation.The
application
caused
increase
microhardness.The
maximum
microhardness
75
HV0.5
98
SRSP.Residual
stresses
RSP.Compressive
residual
induced
both
types
process.
