Materials,
Journal Year:
2023,
Volume and Issue:
16(11), P. 4094 - 4094
Published: May 31, 2023
Inspired
by
nature,
materials
scientists
have
been
exploring
and
designing
various
biomimetic
materials.
Among
them,
composite
with
brick-and-mortar-like
structure
synthesized
from
organic
inorganic
(BMOIs)
attracted
increasing
attention
scholars.
These
the
advantages
of
high
strength,
excellent
flame
retardancy,
good
designability,
which
can
meet
requirements
fields
for
extremely
research
value.
Despite
interest
in
applications
this
type
structural
material,
there
is
still
a
dearth
comprehensive
reviews,
leaving
scientific
community
limited
understanding
its
properties
applications.
In
paper,
we
review
preparation,
interface
interaction,
progress
BMOIs,
propose
possible
future
development
directions
class
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 27, 2024
Abstract
The
evolution
of
natural
armor
materials
has
led
to
gradient
structures
with
specific
architectures
achieve
high
damage
tolerance,
thus
offering
valuable
inspiration
for
the
design
man‐made
materials.
Here,
bioinspired
composites
a
nacre‐like
brick‐and‐mortar
architecture
are
fabricated
by
infiltrating
polymer
phase
into
porous
ceramic
scaffolds
position‐specific
content.
These
demonstrate
an
integrated
structure
notable
several‐fold
variations
in
local
hardness
and
modulus
across
thickness.
asymmetric
mechanical
properties
toughening
mechanisms
investigated
compared
those
uniform
composites.
Specifically,
when
loaded
along
direction
decreasing
stiffness
–
resembling
typical
loading
configuration
armors,
exhibit
superior
tolerance
opposite
composite
equivalent
This
is
attributed
decreased
peak
stress,
broader
stress
distribution,
increased
deformation
capacity,
enhanced
effects
that
impede
crack
growth
through
deflection,
bridging
uncracked
ligaments,
together
their
frictional
pull‐out
from
surfaces.
study
deepens
understanding
offers
insights
highly
damage‐tolerant
Advanced Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 7, 2024
Abstract
Various
strategies
are
developed
to
engineer
aligned
hierarchical
architectures
in
polymer
hydrogels
for
enhanced
mechanical
performance.
However,
chain
alignment
remains
impeded
by
the
presence
of
hydrogen
bonds
between
adjacent
chains.
Herein,
a
facile
sacrificial
micelle‐assisted‐alignment
strategy
is
proposed,
leading
well‐aligned,
strong
and
tough
pure
chitosan
hydrogels.
The
sodium
dodecyl
sulfate
micelles
electrostatically
interact
with
protonated
chains,
enabling
sliding
under
uniaxial
forces.
Subsequently,
can
be
easily
removed
via
NaOH
treatment,
causing
reforming
H‐bond
networks.
strength
increases
140‐fold,
reaching
58.9
±
3.4
MPa;
modulus
595‐fold,
226.4
42.8
MPa.
After
drying‐rehydration,
further
rise
70.3
2.4
403.5
76.3
MPa,
marking
significant
advancement
high‐strength
hydrogel
films.
Furthermore,
designed
multiscale
involving
crystallinity,
well‐aligned
fibers,
interfaces,
robust
multilayer
Bouligand
assembly
contribute
exact
replica
lobster
underbelly
impact
resistance
up
6.8
1.0
kJ
m
−1
.
This
work
presents
promising
strong,
tough,
stiff
impact‐resistant
design.
Batteries,
Journal Year:
2024,
Volume and Issue:
10(10), P. 363 - 363
Published: Oct. 13, 2024
Although
phase
change
materials
(PCMs)
exhibit
effective
performance
in
the
thermal
management
of
lithium-ion
batteries
(LIBs),
their
development
is
limited
by
low
conductivity
and
susceptibility
to
leakage
during
solid–liquid
transition.
To
address
these
challenges
enhance
capabilities,
this
study
introduces
a
novel
composite
material
(CPCM)
synthesized
physically
mixing
paraffin
(PA),
expanded
graphite
(EG),
bacterial
cellulose
(BC).
The
CPCMs
with
varying
BC
proportions
evaluated,
impact
on
temperature
control
battery
systems
(BTMS)
assessed.
results
show
that
addition
EG
significantly
improves
CPCM,
reaching
value
1.39
W·m−1·K−1.
This
also
enhances
uniformity
distribution
within
module
reduces
CPCM
leakage.
By
comparing
variations
under
different
operating
conditions,
it
was
found
intricate
network
structure
promotes
uniform
distribution,
effectively
mitigating
rise.
Consequently,
maximum
difference
were
maintained
below
47
°C
4
°C,
respectively.
Compared
system
without
at
3C
discharge
rate,
cell
temperature,
reduced
32.38%,
26.92%,
34.94%,
These
findings
provide
valuable
insights
for
design
optimization
BTMS.
Biomimetics,
Journal Year:
2023,
Volume and Issue:
9(1), P. 13 - 13
Published: Dec. 31, 2023
The
joint
hydraulic
drive
unit
(HDU)
serves
as
a
pivotal
element
in
enabling
the
high-performance
movements
of
legged
robots.
Functioning
conduit
linking
oil
source
and
actuator,
flow
channel
significantly
impacts
actuator
performance.
Hence,
optimizing
HDU
becomes
imperative,
enhancing
not
only
efficiency
but
also
overall
system
This
paper
introduces
novel
approach
by
aligning
with
arteriovenous
layout
cardiac
vascular
system,
departing
from
conventional
machining
model.
Through
simulations
determining
optimal
range
branch
radius
angle,
this
study
guides
design
optimization
channel.
With
primary
goal
reducing
pressure
loss,
compares
simulation
outcomes
various
models—linear,
variable
excessive
radius,
multidimensional
Bessel
curve—tailored
to
suit
arrangement
specifics
HDU.
Further
validating
these
designs,
channels
are
fabricated
using
additive
manufacturing
for
experimental
verification.
integration
analyses
loss
testing
reveals
remarkable
reduction
over
40%
bionic
compared
form.
empirical
evidence
strongly
substantiates
channel’s
superior
efficacy
reduction.
findings
presented
herein
offer
valuable
insights
development
low-loss
HDUs,
thereby
presenting
new
avenue
designing
energy-efficient,
high
power-to-weight
ratio
Materials,
Journal Year:
2023,
Volume and Issue:
16(11), P. 4094 - 4094
Published: May 31, 2023
Inspired
by
nature,
materials
scientists
have
been
exploring
and
designing
various
biomimetic
materials.
Among
them,
composite
with
brick-and-mortar-like
structure
synthesized
from
organic
inorganic
(BMOIs)
attracted
increasing
attention
scholars.
These
the
advantages
of
high
strength,
excellent
flame
retardancy,
good
designability,
which
can
meet
requirements
fields
for
extremely
research
value.
Despite
interest
in
applications
this
type
structural
material,
there
is
still
a
dearth
comprehensive
reviews,
leaving
scientific
community
limited
understanding
its
properties
applications.
In
paper,
we
review
preparation,
interface
interaction,
progress
BMOIs,
propose
possible
future
development
directions
class
