Origami-folding principles can be used with laminated composites to produce lightweight structures that are capable of drastic changes in shape. This paper presents a smart composite that can actively change its crease pattern to fold itself into different rigid shapes and provide a large range of motion. The composite uses a smart material with variable modulus sandwiched between two fiber-reinforced elastomeric skins, one of which is prestressed. Change in modulus of the sandwiched core layer allows prestress in the elastomeric skin to actuate the fold. Unfolding the structure to a flat shape can be accomplished through either embedded or external actuation. Passive composite panels were fabricated for model development and validation. An analytical model was developed based on classical laminate plate theory to study the influence of core modulus, core thickness, and elastomeric skin prestress on the equilibrium curvature of the composite structure. Selected smart materials that provide a change in modulus when stimulated are discussed as candidates for the core layer of the self-folding composite.
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ASME 2015 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
September 21–23, 2015
Colorado Springs, Colorado, USA
Conference Sponsors:
- Aerospace Division
ISBN:
978-0-7918-5730-4
PROCEEDINGS PAPER
Self-Folding Laminated Composites for Smart Origami Structures
Venkata Siva C. Chillara
,
Venkata Siva C. Chillara
The Ohio State University, Columbus, OH
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Leon M. Headings
,
Leon M. Headings
The Ohio State University, Columbus, OH
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Marcelo J. Dapino
Marcelo J. Dapino
The Ohio State University, Columbus, OH
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Venkata Siva C. Chillara
The Ohio State University, Columbus, OH
Leon M. Headings
The Ohio State University, Columbus, OH
Marcelo J. Dapino
The Ohio State University, Columbus, OH
Paper No:
SMASIS2015-8968, V002T04A011; 10 pages
Published Online:
January 11, 2016
Citation
Chillara, VSC, Headings, LM, & Dapino, MJ. "Self-Folding Laminated Composites for Smart Origami Structures." Proceedings of the ASME 2015 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. Volume 2: Integrated System Design and Implementation; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting. Colorado Springs, Colorado, USA. September 21–23, 2015. V002T04A011. ASME. https://doi.org/10.1115/SMASIS2015-8968
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