Tribology in Nature: Inspirations for Advanced Lubrication Materials
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 19, 2025
Abstract
Friction‐induced
energy
consumption
is
a
significant
global
concern,
driving
researchers
to
explore
advanced
lubrication
materials.
In
nature,
vital
for
the
life
cycle
of
animals,
plants,
and
humans,
playing
key
roles
in
movement,
predation,
decomposition.
After
billions
years
evolution,
natural
exhibits
remarkable
professionalism,
high
efficiency,
durability,
intelligence,
offering
valuable
insights
designing
This
review
focuses
on
mechanisms
organisms
advancements
biomimetic
soft
matter
It
begins
by
summarizing
common
biological
behaviors
their
underlying
mechanisms,
followed
current
design
strategies
The
then
outlines
development
performance
these
materials
based
different
strategies.
Finally,
it
discusses
potential
research
directions
prospects
will
be
resource
advancing
Language: Английский
Fabrication of AFM‐Compatible Hydrogel Probe to Achieve Hydration Superlubrication in Salt Solutions
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 28, 2025
Abstract
Hydrogels
demonstrate
effective
lubricating
properties,
but
the
underlying
mechanisms
at
nanoscale
remain
elucidated.
In
this
study,
a
novel
strategy
is
proposed
by
fabricating
hydrogel
probes
compatible
with
atomic
force
microscopy
(AFM)
to
establish
superlubrication
system
based
on
hydration
interactions.
The
probe
made
of
polyethylene
glycol
diacrylate
(PEGDA)‐based
microspheres,
which
can
achieve
an
extremely
low
friction
coefficient
0.0014
when
sliding
mica
surface
in
NaCl
solution.
coefficients
salt
solutions
sequence
μ(NaCl)
<
0.01
μ(KCl)
μ(LiCl),
contradicts
ion
capacity
(K
+
Na
Li
),
suggesting
that
hydrogel‐based
lubrication
systems
are
governed
interplay
between
and
ions‐polymer
interactions
simultaneously.
observed
solution
ascribed
superior
ions,
forms
stable
smooth
layer
within
contact
zone.
This
work
provides
new
avenues
for
AFM‐based
studies,
also
significantly
advances
comprehension
Language: Английский