Nanomaterials,
Год журнала:
2024,
Номер
14(15), С. 1308 - 1308
Опубликована: Авг. 3, 2024
As
an
environmentally
friendly
material,
biochar
is
increasingly
being
utilized
in
the
field
of
heat
transfer
and
thermal
conduction.
In
this
study,
nano-biochar
was
prepared
from
high-pressure
homogenization
(HPH)
using
sesame
stalks
as
raw
material.
It
incorporated
into
ethylene
glycol
(EG)
its
dispersion
stability,
viscosity,
conductivity
were
investigated.
The
stably
dispersed
EG
for
28
days.
When
concentration
added
to
less
than
1%,
impact
on
viscosity
negligible.
addition
5
wt.%
improved
by
6.72%,
which
could
be
attributed
graphitized
structure
Brownian
motion
nano-biochar.
Overall,
has
potential
applied
automotive
management.
Lubricants,
Год журнала:
2025,
Номер
13(3), С. 102 - 102
Опубликована: Фев. 25, 2025
The
development
of
green
lubrication
requires
nano-lubricants
to
possess
more
environmentally
friendly
fabrication
modes
and
materials
with
superior
tribological
properties.
This
study
investigates
the
properties
nano-biochar
in
PAO6
base
oil
combination
different
additives.
effect
adsorption
on
friction
reduction
anti-wear
performance
is
demonstrated
by
replacing
sub-materials
four-ball
test.
Based
comparison
wear
region
characterization,
incorporation
improves
detergent
dispersant
oils
a
coefficient
(COF)
16.7%
19.0%,
respectively,
produces
synergistic
performance.
When
compounded
agents
reducer,
there
performance,
COF
decreases
9.4%
4.5%
compared
reducer
oils,
respectively.
A
method
analyze
mechanism
nano-additives
complex
system
proposed,
which
reveals
depth
interaction
law
between
NBC
additives
process.
International Journal of Mechanical Engineering,
Год журнала:
2023,
Номер
10(12), С. 26 - 34
Опубликована: Дек. 31, 2023
Recent
tribology
trends
have
shifted
towards
innovative
developments
in
lubricating
methods
and
surface
coatings,
which
are
changing
mechanical
engineering.
Cutting-edge
coatings
become
indispensable,
providing
customized
solutions
for
increased
durability,
reduced
friction,
wear
resistance.
Leading
the
way
ceramic
that
very
adaptable
provide
strong
corrosion
resistance,
as
well
Diamond-Like
Carbon
(DLC)
known
their
exceptional
hardness
low
friction
characteristics.
Self-healing
materials
nanocoating
powered
by
nanotechnology
ground-breaking
breakthroughs
bringing
nanoscale
accuracy
self-repairing
processes,
guaranteeing
longer
component
lifetimes.
At
same
time,
lubrication
changed.
Nanolubrication,
uses
nanoparticles
to
increase
efficiency,
has
been
introduced,
smart
systems,
combine
analytics
sensors,
optimize
lubricant
application.
With
a
focus
on
ecological
alternatives
biodegradable
lubricants
without
sacrificing
performance,
green
more
popular.
Together,
these
open
door
durable,
effective,
sustainable
tribological
systems
variety
of
industries,
including
manufacturing,
aerospace,
automotive
medicinal
fields.
These
developments,
represent
fusion
innovation
sustainability
engineering
practices,
hold
potential
lifespans,
improved
equipment
less
environmental
effect
advances.
Colloids and Surfaces A Physicochemical and Engineering Aspects,
Год журнала:
2024,
Номер
693, С. 134026 - 134026
Опубликована: Апрель 21, 2024
Nanoparticle-enhanced
lubricants
(nanolubricants)
achieve
tribological
properties
that
can
signficantly
outperform
the
unmodified
base
oil.
However,
this
performance
enhancement
is
known
to
be
extremely
senstive
concentration
of
nanoparticles
used.
Here,
we
introduce
a
new
approach
optimizing
nanolubricants
combining
design
experiments
(DOE)
with
machine
learning,
addressing
challenge
determining
optimal
nanoparticle
in
oils
and
demonstrating
significant
improvements.
Combining
Box-Behnken
Bayesian
optimization,
identify
an
0.04
wt%
copper
oxide
(CuO)
standard
engine
oil
(SAE
20W50),
resulting
42%
reduction
coefficient
friction
(COF)
relative
Surface
analysis
(AFM,
SEM)
confirmed
improvement
anti-wear
anti-friction
characteristics.
Signficant
enhacements
thermophysical
were
observed
(demonstrated
by
increased
flash
pour
points,
10%
7%
respectively),
signifying
greater
thermal
stability.
The
dynamic
viscosity
remained
consistent,
beneficial
under
conditions
high
temperature
shear,
which
aligns
demands
lubricant
standards
for
PC-12B
oils,
from
3.49
3.18
cP
(8%).
This
research
introduces
novel
hybrid
optimization
technique
provides
versatile
framework
nanofluids,
critical
concentration.
