Light-fueled self-rotation of a liquid crystal elastomer rod enabled by lateral constraint
Kai Li,
No information about this author
Pengsen Xu,
No information about this author
Lin Zhou
No information about this author
et al.
Theoretical and Applied Mechanics Letters,
Journal Year:
2025,
Volume and Issue:
unknown, P. 100569 - 100569
Published: Jan. 1, 2025
Language: Английский
Design of Temperature-Controlled Linear Actuator Based on SMA
Yongkang Wang,
No information about this author
Ruiya Li,
No information about this author
Ping Wu
No information about this author
et al.
Smart innovation, systems and technologies,
Journal Year:
2025,
Volume and Issue:
unknown, P. 405 - 417
Published: Jan. 1, 2025
Language: Английский
A Prestretch‐Free Dielectric Elastomer with Record‐High Energy and Power Density via Synergistic Polarization Enhancement and Strain Stiffening
Wei Yu,
No information about this author
Wenle Zheng,
No information about this author
Shuaichuang Hua
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et al.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 27, 2025
Abstract
Dielectric
elastomer
actuators
with
high
energy
and
power
output,
combined
without
pre‐stretching
treatment
to
simplify
device
fabrication,
are
highly
desirable
for
soft
robotics.
Here,
different
from
most
studies
that
focus
on
modifying
elastomers
such
as
polyacrylates
silicones,
the
study
designs
a
prestretch‐free
dielectric
based
hydrogenated
carboxylated
nitrile
butadiene
rubber
reach
record‐high
density
(564
J
kg
−1
)
(5641
W
),
≈15
times
greater
than
natural
muscle
three
state‐of‐the‐art
elastomers.
This
excellent
performance
arises
synergistic
polarization
enhancement
strain
stiffening
overcoming
inherent
trade‐offs
between
electrical
mechanical
properties,
simultaneously
endowing
an
extremely
constant
(
ɛ
r
=
17,
100
Hz),
ultralow
loss
(tan
δ
m
0.04@1
large
breakdown
strength
(105
V
µm
).
The
assembled
40‐µm‐thick
actuator
lifts
200‐g
load
over
20%
maintains
stable
of
4780
50
000
cycles.
Furthermore,
demonstrate
diverse
applications,
including
serving
biceps
artificial
muscles
achieve
90°
rotation
angle
at
speed
360°/s
actuating
robot
carrying
20
its
weight.
These
findings
provide
approach
developing
high‐performance
broaden
their
application
in
Language: Английский
Improved electro-actuation of polydimethylsiloxane-based composite dielectric elastomer via constructing semi-interlocked dual-network
Liming Jin,
No information about this author
Chuying Zhang,
No information about this author
Hu Guo
No information about this author
et al.
Polymer,
Journal Year:
2024,
Volume and Issue:
317, P. 127937 - 127937
Published: Dec. 9, 2024
Language: Английский
Comprehensive review of recent research trends in dielectric elastomer transducers: applications, materials, and fabrication
Hao Gu
No information about this author
Materials Research Express,
Journal Year:
2024,
Volume and Issue:
11(11), P. 112001 - 112001
Published: Oct. 22, 2024
Abstract
Although
rigid
transducers
have
led
to
innovations
in
industrial
automation
and
control
systems,
their
rigidity
limits
them
the
controlled
environment
of
factory.
Recently,
soft
become
an
attractive
area
research
because
compliant
nature
has
potential
be
applied
soft-bodied
robots
that
operate
uncontrolled
environments.
Dielectric
elastomer
(DETs)
demonstrate
large
electrically-driven
deformations,
high
energy
density,
fast
response,
long
lifespans,
self-healing
capabilities,
making
a
favorable
replacement
for
transducers.
This
review
first
introduces
working
principles
DETs,
modeling
work,
DET
configurations.
Subsequently,
applications
DETs
robotics,
generators,
sensors,
electronics
are
reviewed.
Finally,
challenges
currently
faced
by
technology
discussed
approaches
explored.
Language: Английский