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Design of microgrippers based on amorphous-crystalline TiNiCu alloy with two-way shape memory

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dc.contributor.authorSitnikov, N. N.
dc.contributor.authorKoledov, V. V.
dc.contributor.authorKhabibullina, I. A.
dc.contributor.authorVon, Gratowski, S.
dc.contributor.authorShelyakov, A. V.
dc.contributor.authorBorodako, K. A.
dc.contributor.authorШеляков, Александр Васильевич
dc.contributor.authorБородако, Кирилл Анатольевич
dc.date.accessioned2024-11-22T06:56:28Z
dc.date.available2024-11-22T06:56:28Z
dc.date.issued2019
dc.description.abstract© 2019 IEEE.Amorphous-crystalline TiNiCu alloy ribbons at around 40 μm of thickness with an interface separating the amorphous and crystalline phases into layers were produced by melt spinning technique. It is shown that a decrease in the cooling rate of the melt from 8.9.105 to 4.2.105 K / s leads to an increase in the thickness of the crystalline layer from 2 to 10 μm, The ratio of the thicknesses of the amorphous dam and crystalline dcr layers was also varied by an electrochemical polishing method. Composite ribbons exhibited the two-way shape memory effect (TWSME) with bending deformation without additional thermomechanical processing. It was established that when the ratio dcr/dam is changed from 0.06 to 0.35, the minimum bending radius of the ribbon decreases from 37.1 to 6.3 mm, and the maximum reversible strain increases by 0.05% to 0.27%. The minimum time of the shape recovery of the ribbon during the realization of the TWSME when heated by an electric current pulse was 14 ms, and the force generated by the ribbon with a length of 3 mm in bending reached 1.2 mN. A series of the microgrippers (microtweezers) were fabricated on the basis of the composite ribbons with TWSME. The length of the clamping parts (arms) and the gap of the microtweezers can be adjusted in the range from 1.5 to 2.5 mm and from 10 to 500 μm, respectively, depending on the size of the processed micro-objects. Complete technological process of manipulating graphite filaments with a diameter of 5 to 25 μm using developed microgrippers was demonstrated.
dc.identifier.citationDesign of microgrippers based on amorphous-crystalline TiNiCu alloy with two-way shape memory / Sitnikov, N.N. [et al.] // Proceedings of MARSS 2019: 4th International Conference on Manipulation, Automation, and Robotics at Small Scales. - 2019. - 10.1109/MARSS.2019.8860932
dc.identifier.doi10.1109/MARSS.2019.8860932
dc.identifier.urihttps://www.doi.org/10.1109/MARSS.2019.8860932
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85073875460&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000661919000059
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/19752
dc.relation.ispartofProceedings of MARSS 2019: 4th International Conference on Manipulation, Automation, and Robotics at Small Scales
dc.titleDesign of microgrippers based on amorphous-crystalline TiNiCu alloy with two-way shape memory
dc.typeConference Paper
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