Fully Stretchable Electromagnet Using Magnetoactive PDMS Sponges and Metallic Coils
- Authors
- Kim, Jong In; Jeon, Sungho; Lee, Won Chul
- Issue Date
- Dec-2019
- Publisher
- SPRINGER
- Citation
- JOM, v.71, no.12, pp.4556 - 4561
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOM
- Volume
- 71
- Number
- 12
- Start Page
- 4556
- End Page
- 4561
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/2003
- DOI
- 10.1007/s11837-019-03788-y
- ISSN
- 1047-4838
- Abstract
- Stretchable and flexible devices are being widely developed for the application of modern electronics to biological systems which are soft, elastic, and curved. However, stretchable and flexible electromagnetic and/or magnetic devices are relatively rare, regardless of their importance in many electromechanical systems. Therefore, this study develops a fully stretchable electromagnet using a metallic coil and a magnetoactive polydimethylsiloxane (PDMS) sponge embedded with iron microparticles. In a cylindrical prototype, the magnetoactive PDMS sponge acts as a ferromagnetic core of the electromagnet, enhancing the magnetic fields to ~300% of that of a control device without the iron microparticles. The microscale pores of the PDMS sponge and the spring structures of the metallic coil enable the elongation of the electromagnet up to ~115%. Similarly, we fabricated and experimentally characterized a patch-shaped prototype of a fully stretchable electromagnet, and discussed its practical limitations.
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Collections - COLLEGE OF ENGINEERING SCIENCES > DEPARTMENT OF MECHANICAL ENGINEERING > 1. Journal Articles
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