Heliyon,
Journal Year:
2023,
Volume and Issue:
9(3), P. e13933 - e13933
Published: Feb. 24, 2023
Hastelloy
is
categorized
as
difficult
to
cut
superalloy
widely
used
in
aerospace,
nuclear
reactor
components
and
chemical
industry
because
of
its
magnificent
strength
higher
heat
efficiency.
Since,
the
machining
this
material
quite
hence
suitable
cooling
systems
are
required
achieve
sustainable
manufacturing
goals.
The
present
investigation
has
been
focused
on
performance
sustainability
assessment
turning
C-276
dry,
flood
minimum
quantity
lubrication
(MQL)
environments.
Taguchi
L-9
array
utilized
conduct
record
experimental
output
along
with
TOPSIS
approach
evaluate
sustainability.
responses
viz.
cutting
forces,
surface
roughness,
temperature,
energy
consumption
carbon
emission
have
recorded
at
various
levels
input
variables.
results
revealed
that
MQL
minimized
roughness
temperature
by
margin
20-38%.
Likewise,
expenditure
was
declined
9-27%
respectively
compared
other
conditions.
Sustainability
analysis
explored
best
index
during
equal
weightage
criteria
125
m/min,
0.246
0.8
mm
doc
under
MQL.
However,
implementing
assigned
system
evaluated
condition
for
dry
88
m/min
mm/rev
having
same
doc.
SEM
insert
reported
mainly
abrasion
adhesion
type
tool
wear
all
parametric
range
Chinese Journal of Mechanical Engineering,
Journal Year:
2023,
Volume and Issue:
36(1)
Published: June 30, 2023
Abstract
Cutting
fluid
is
crucial
in
ensuring
surface
quality
and
machining
accuracy
during
machining.
However,
traditional
mineral
oil-based
cutting
fluids
no
longer
meet
modern
machining’s
health
environmental
protection
requirements.
As
a
renewable,
pollution-free
alternative
with
excellent
processing
characteristics,
vegetable
oil
has
become
an
inevitable
replacement.
lacks
oxidation
stability,
extreme
pressure,
antiwear
properties,
which
are
essential
for
The
physicochemical
characteristics
of
oils
the
improved
methods’
application
mechanism
not
fully
understood.
This
study
aims
to
investigate
effects
viscosity,
tension,
molecular
structure
on
cooling
lubricating
properties.
mechanisms
autoxidation
high-temperature
based
also
discussed.
further
investigates
performance
chemical
modification
antioxidant
additives.
shows
that
propionic
ester
methyl
hydroxy-oleate
obtained
by
epoxidation
initial
temperature
175
℃.
pressure
conventional
additives
nanoparticle
were
investigated
solve
problem
insufficient
resistance
nanobiological
lubricants.
Finally,
discusses
future
prospects
addition.
provides
theoretical
guidance
technical
support
industrial
scientific
research
field
lubrication
cooling.
It
expected
promote
sustainable
development
manufacturing
industry.
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: May 24, 2023
Abstract
In
this
research
work
the
thorium
uptake
on
immobilized
protonated
orange
peel
was
studied
in
a
batch
system.
The
effects
of
effective
parameters
such
as
biosorbent
dosage,
initial
metal
ion
concentration,
and
contact
time
biosorption
were
analyzed.
capacity
for
at
optimal
conditions
pH
3.8,
dosage
8
g/L,
concentration
170
mg/L
found
to
be
18.65
mg/g.
According
results
time,
process
reached
equilibrium
after
around
10
h
contact.
Investigation
kinetics
showed
that
onto
follows
pseudo-second-order
model.
Langmuir
Freundlich
isotherms
used
model
experimental
data.
better
agreement
by
isotherm.
maximum
absorption
adsorption
predicted
isotherm
29.58
Advances in Manufacturing,
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 9, 2024
Abstract
Minimum
quantity
lubrication
(MQL),
which
considers
the
cost,
sustainability,
flexibility,
and
quality,
has
been
actively
explored
by
scholars.
Nanoadditive
phases
have
widely
investigated
as
atomizing
media
for
MQL,
aimed
at
enhancing
heat
transfer
friction
reduction
performance
of
vegetable-oil-based
biolubricants.
However,
industrial
application
nano-enhanced
biolubricants
(NEBL)
in
grinding
wheels
workpiece
interfaces
a
cooling
lubricating
medium
still
faces
serious
challenges,
are
attributed
to
knowledge
gap
current
mapping
between
properties
grindability
NEBL.
This
paper
presents
comprehensive
literature
review
research
developments
NEBL
grinding,
highlighting
key
clarifies
blind
spots.
Firstly,
physicochemical
elaborated
from
perspective
base
fluid
nanoadditive
phase.
Secondly,
excellent
is
clarified
its
distinctive
film
formation,
transfer,
multiple-field
mobilization
capacity.
Nanoparticles
with
high
thermal
conductivity
extreme-pressure
film-forming
significantly
improved
high-temperature
extreme-friction
conditions
zone.
Furthermore,
sustainability
applying
small
amounts
systematically
evaluated,
providing
valuable
insights
industry.
Finally,
perspectives
proposed
address
engineering
scientific
bottlenecks
aims
contribute
understanding
effective
mechanisms
development
green
technologies.
Chinese Journal of Mechanical Engineering,
Journal Year:
2024,
Volume and Issue:
37(1)
Published: March 14, 2024
Abstract
Minimum
quantity
Lubrication
(MQL)
is
a
sustainable
lubrication
system
that
famous
in
many
machining
systems.
It
involve
the
spray
of
an
infinitesimal
amount
mist-like
lubricants
during
processes.
The
MQL
affirmed
to
exhibit
excellent
performance,
and
it
highly
economical.
nanofluids
are
understood
lubricity
heat
evacuation
capability,
compared
pure
oil-based
system.
Studies
have
shown
surface
quality
energy
expended
grinding
operations
can
be
reduced
considerably
due
positive
effect
these
nanofluids.
This
work
presents
experimental
study
on
tribological
performance
SiO
2
nanofluid
Si
3
N
4
ceramic.
different
modes
systems
operation
was
also
analyzed.
Different
concentrations
manufactured
using
canola,
corn
sunflower
oils.
quantitative
evaluation
process
done
based
forces,
specific
energy,
frictional
coefficient,
integrity.
found
canola
oil
exhibits
optimal
oil,
traditional
Additionally,
introduction
ultrasonic
vibrations
with
reduce
normal
tangential
roughness
by
65%,
57%,
18%
respectively.
Finally,
regression
analysis
used
obtain
optimum
parameter
combinations.
observations
from
this
will
aid
smooth
transition
towards
ecofriendly
engineering
ceramics.
Journal of Materials Chemistry B,
Journal Year:
2023,
Volume and Issue:
11(40), P. 9597 - 9629
Published: Jan. 1, 2023
Polyesters
based
on
polyols
have
emerged
as
promising
biomaterials
for
various
biomedical
applications,
such
tissue
engineering
and
drug
delivery
systems,
due
to
their
biocompatibility,
biodegradability,
versatile
physicochemical
properties.
Frontiers of Mechanical Engineering,
Journal Year:
2023,
Volume and Issue:
18(4)
Published: Dec. 1, 2023
Abstract
Nanoparticle-enhanced
coolants
(NPECs)
are
increasingly
used
in
minimum
quantity
lubrication
(MQL)
machining
as
a
green
lubricant
to
replace
conventional
cutting
fluids
meet
the
urgent
need
for
carbon
emissions
and
achieve
sustainable
manufacturing.
However,
thermophysical
properties
of
NPEC
during
processing
remain
unclear,
making
it
difficult
provide
precise
guidance
selection
principles
industrial
applications.
Therefore,
this
paper
reviews
action
mechanism,
properties,
future
development
directions
NPEC.
First,
laws
influence
nano-enhanced
phases
base
on
performance
revealed,
dispersion
stabilization
mechanism
preparation
process
is
elaborated.
Then,
unique
molecular
structure
physical
NPECs
combined
elucidate
their
mechanisms
heat
transfer,
penetration,
antifriction
effects.
Furthermore,
effect
investigated
basis
excellent
lubricating
cooling
by
comprehensively
quantitatively
evaluating
material
removal
characteristics
turning,
milling,
grinding
Results
showed
that
turning
Ti–6Al–4V
with
multi-walled
nanotube
volume
fraction
0.2%
resulted
34%
reduction
tool
wear,
an
average
decrease
force
28%,
7%
surface
roughness
Ra
,
compared
flood
process.
Finally,
research
gaps
further
applications
industry
presented.
Lubricants,
Journal Year:
2023,
Volume and Issue:
11(10), P. 422 - 422
Published: Oct. 2, 2023
Minimizing
the
negative
effects
of
manufacturing
process
on
environment,
employees,
and
costs
while
maintaining
machining
accuracy
has
long
been
a
pursuit
industry.
Currently,
nanofluid
minimum
quantity
lubrication
(NMQL)
used
in
cutting
grinding
studied
as
useful
technique
for
enhancing
machinability
empowering
sustainability.
Previous
reviews
have
concluded
beneficial
NMQL
factors
affecting
them,
including
volume
fraction
nanoparticle
species.
Nevertheless,
summary
mechanism
performance
evaluation
processing
different
materials
is
deficient,
which
limits
preparation
specifications
popularity
factories.
To
fill
this
gap,
paper
concentrates
comprehensive
assessment
processability
based
tribological,
thermal,
machined
surface
quality
aspects
nanofluids.
The
present
work
attempts
to
reveal
nanofluids
from
viewpoint
nanofluids’
physicochemical
properties
atomization
performance.
Firstly,
study
contrasts
distinctions
structure
functional
mechanisms
between
types
base
fluids
molecules,
providing
quantitative
comparative
Secondly,
theoretical
models
that
affect
stability
various
thermophysical
nanofluids,
revealing
nanoparticles
endow
with
unique
heat
transfer
mechanisms.
Finally,
mapping
relationship
parameters
material
analyzed,
guidance
technical
support
industrial
application
scientific
research
