Cooling-Accelerated Nanowire-Nitinol Hybrid Muscle for Versatile Prosthetic Hand and Biomimetic Retractable Claw

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dc.contributor.authorOh, Saewoongko
dc.contributor.authorTabassian, Rassoulko
dc.contributor.authorThangasamy, Pitchaiko
dc.contributor.authorMahato, Manmathako
dc.contributor.authorNguyen, Van Hiepko
dc.contributor.authorNam, Sangheeko
dc.contributor.authorHuapeng, Zhangko
dc.contributor.authorOh, Il-Kwonko
dc.date.accessioned2022-05-10T02:01:11Z-
dc.date.available2022-05-10T02:01:11Z-
dc.date.created2021-12-20-
dc.date.issued2022-05-
dc.identifier.citationADVANCED FUNCTIONAL MATERIALS, v.32, no.18-
dc.identifier.issn1616-301X-
dc.identifier.urihttp://hdl.handle.net/10203/296470-
dc.description.abstractAs strong and shape-conformable as biological muscles, nitinol shape memory alloys (SMAs) artificial muscles have great merit when applied for bio-inspired robots. However, the low bandwidth and slow actuation speed of SMAs due to their sluggish cooling have long been troublesome, limiting possible applications. Here, to expedite the cooling rate, a Cu nanowire forest is directly grown on the surfaces of 3D shaped SMA coil (SMAc) to increase the surface area by 15 times and boost thermal convection. As a result, the Cu nanowire forest grown SMA coil (CuNF-SMAc) shows accelerated cooling compared to bare SMAc (B-SMAc): the actuation speed of CuNF-SMAc is 100% faster than that of bare SMAc (B-SMAc) under natural cooling and 170% faster under forced-air cooling. With this faster actuation, CuNF-SMAc artificial muscles are employed in a versatile prosthetic hand to bend and flex fingers. The proposed prosthetic hand successfully demonstrates a series of sign language within 4 s for each letter, and rhythmically plays a grand piano. Moreover, unique retractable feline claws are mimicked which demonstrate a fully tunable frictional force just like how cats do it, expanding the potential of a cooling-accelerated SMAc artificial muscle.-
dc.languageEnglish-
dc.publisherWILEY-V C H VERLAG GMBH-
dc.titleCooling-Accelerated Nanowire-Nitinol Hybrid Muscle for Versatile Prosthetic Hand and Biomimetic Retractable Claw-
dc.typeArticle-
dc.identifier.wosid000735906100001-
dc.identifier.scopusid2-s2.0-85122077318-
dc.type.rimsART-
dc.citation.volume32-
dc.citation.issue18-
dc.citation.publicationnameADVANCED FUNCTIONAL MATERIALS-
dc.identifier.doi10.1002/adfm.202111145-
dc.contributor.localauthorOh, Il-Kwon-
dc.contributor.nonIdAuthorThangasamy, Pitchai-
dc.contributor.nonIdAuthorMahato, Manmatha-
dc.contributor.nonIdAuthorHuapeng, Zhang-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorcooling-acceleratedcopper nanowiresprosthetic handsretractable clawsshape memory alloys-
dc.subject.keywordPlusROBOTELECTRODEPOSITIONACTUATORSSTRAIN-
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