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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.12
- 수록면
- 1 - 9 (9page)
이용수
초록· 키워드
오류제보하기
In this study, a new design of an extension-type actuator (ExACT) is proposed based on a chevron structure with displacement amplification mechanisms by local heating. ExACT comprises diamond-shaped displacement amplification structures (DASs) containing axially oriented V-shaped chevron beams, a support bar that restricts lateral heat deformation, and a loading slot for thin-film heaters. On heating the thin film heater, the diamond-shaped DASs undergo thermal expansion. However, lateral expansion is restricted by the support bar, leading to displacement amplification in the axial direction. The performance parameters of ExACT such as temperature distribution and extended displacement is calculated using thermo-mechanical analysis methods with the finite element method (FEM) tool. Subsequently, the ExACTs are fabricated using a polymer-based 3D printer capable of reproducing complex structures, and the performance of ExACTs is evaluated under various temperature conditions. Finally, the performance evaluation results were compared with those of the FEM analysis.
목차
Abstract
1. Introduction
2. Design of ExACT
3. FEM analysis
4. Fabrication and Performance Evaluation
5. Results and Discussion
6. Conclusion
References
참고문헌 (17)
참고문헌 신청
Jian Sun / 2016 / Morphing aircraft based on smart materials and structures: A state-of-the-art review / Journal of Intelligent Material Systems and Structures 27(17):2289~2312
Larry D. Peel / 2009 / Development of a Simple Morphing Wing Using Elastomeric Composites as Skins and Actuators / Journal of Mechanical Design 131(9):0910031~0910038
A. Fortini / 2015 / Morphing blades with embedded SMA strips: An experimental investigation / Mater. Des 85:785~795
Carter S. Haines / 2014 / Artificial Muscles from Fishing Line and Sewing Thread / Science 343(6173):868~872
Potekhina / 2019 / Review of Electrothermal Actuators and Applications / Actuators 8(4):69
Larry D. Peel / 2009 / Development of a Simple Morphing Wing Using Elastomeric Composites as Skins and Actuators / Journal of Mechanical Design 131(9):0910031~0910038
A. Fortini / 2015 / Morphing blades with embedded SMA strips: An experimental investigation / Mater. Des 85:785~795
Carter S. Haines / 2014 / Artificial Muscles from Fishing Line and Sewing Thread / Science 343(6173):868~872
Potekhina / 2019 / Review of Electrothermal Actuators and Applications / Actuators 8(4):69
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