Fe3O4-Silicone mixture as flexible actuator

Kahye Song; Youngsu Cha

doi:10.3390/ma11050753

Fe₃O₄-Silicone mixture as flexible actuator

Kahye Song, Youngsu Cha

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

In this study, we introduce Fe₃O₄-silicone flexible composite actuators fabricated by combining silicone and iron oxide particles. The actuators exploit the flexibility of silicone and the electric conductivity of iron oxide particles. These actuators are activated by electrostatic force using the properties of the metal particles. Herein, we investigate the characteristic changes in actuation performance by increasing the concentration of iron oxide from 1% to 20%. The developed flexible actuators exhibit a resonant frequency near 3 Hz and their actuation amplitudes increase with increasing input voltage. We found that the actuator can move well at metal particle concentrations > 2.5%. We also studied the changes in actuation behavior, depending on the portion of the Fe₃O₄-silicone in the length. Overall, we experimentally analyzed the characteristics of the newly proposed metal particle-silicone composite actuators.

Original language	English
Article number	753
Journal	Materials
Volume	11
Issue number	5
DOIs	https://doi.org/10.3390/ma11050753
Publication status	Published - 2018 May 8
Externally published	Yes

Bibliographical note

Funding Information:
Funding: This work was supported in part by Korea Institute of Science and Technology Institutional Program under grant number 2E28250 and in part by the Convergence Technology Development Program for Bionic Arm through the National Research Foundation of Korea funded by the Ministry of Science, ICT and Future Planning under grant number 2014M3C1B2048419.

Publisher Copyright:
© 2018 by the authors.

Keywords

Electrostatic force
Flexible actuator
Soft active materials

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics

Access to Document

10.3390/ma11050753

Cite this

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abstract = "In this study, we introduce Fe3O4-silicone flexible composite actuators fabricated by combining silicone and iron oxide particles. The actuators exploit the flexibility of silicone and the electric conductivity of iron oxide particles. These actuators are activated by electrostatic force using the properties of the metal particles. Herein, we investigate the characteristic changes in actuation performance by increasing the concentration of iron oxide from 1% to 20%. The developed flexible actuators exhibit a resonant frequency near 3 Hz and their actuation amplitudes increase with increasing input voltage. We found that the actuator can move well at metal particle concentrations > 2.5%. We also studied the changes in actuation behavior, depending on the portion of the Fe3O4-silicone in the length. Overall, we experimentally analyzed the characteristics of the newly proposed metal particle-silicone composite actuators.",

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