Soft Actuators and Robots that Are Resistant to Mechanical Damage
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Author
Oyetibo, Alexis I.
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https://doi.org/10.1002/adfm.201303676Metadata
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Martinez, Ramses V., Ana C. Glavan, Christoph Keplinger, Alexis I. Oyetibo, and George M. Whitesides. 2014. “Soft Actuators and Robots That Are Resistant to Mechanical Damage.” Advanced Functional Materials 24 (20) (February 1): 3003–3010. doi:10.1002/adfm.201303676.Abstract
This paper characterizes the ability of soft pneumatic actuators and robots to resist mechanical insults that would irreversibly damage or destroy hard robotic systems—systems fabricated in metals and structural polymers, and actuated mechanically—of comparable sizes. The pneumatic networks that actuate these soft machines are formed by bonding two layers of elastomeric or polymeric materials that have different moduli on application of strain by pneumatic inflation; this difference in strain between an extensible top layer and an inextensible, strain-limiting, bottom layer causes the pneumatic network to expand anisotropically. While all the soft machines described here are, to some extent, more resistant to damage by compressive forces, blunt impacts, and severe bending than most corresponding hard systems, the composition of the strain-limiting layers confers on them very different tensile and compressive strengths.Terms of Use
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http://nrs.harvard.edu/urn-3:HUL.InstRepos:25753288
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