Electrical pulse shape setting of thin Ni49Ti51 wires for shape memory actuators (Articolo in rivista)

Type
Label
  • Electrical pulse shape setting of thin Ni49Ti51 wires for shape memory actuators (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1007/s11665-014-0999-3 (literal)
Alternative label
  • Casati R.; Vedani M.; Gialanella S.; Tuissi A. (2014)
    Electrical pulse shape setting of thin Ni49Ti51 wires for shape memory actuators
    in Journal of materials engineering and performance (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Casati R.; Vedani M.; Gialanella S.; Tuissi A. (literal)
Pagina inizio
  • 2487 (literal)
Pagina fine
  • 2490 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://link.springer.com/article/10.1007%2Fs11665-014-0999-3 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 23 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 7 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1,2 : Dipartimento di Meccanica, Politecnico di Milano, Via La Masa 34, Milan, Italy / 3 : Dipartimento di Ingegneria Industriale, Università di Trento, Via Mesiano 77, Trento, Italy / 4 CNR-IENI, Corso Promessi Sposi 29, Lecco, Italy (literal)
Titolo
  • Electrical pulse shape setting of thin Ni49Ti51 wires for shape memory actuators (literal)
Abstract
  • The effect of non-conventional electrical pulse treatment on microstructure and shape memory response of Ni49Ti51 wires was studied. High-power rapid current square pulses were applied to cold-drawn wires of 25 ?m diameter. The TEM microstructures showed equiaxial recrystallization, with average grain size in the 100 nm range, after a double current pulse lasting 10 ms. Rapid current pulse treatment in Ti-rich NiTi induces shape memory effect with reduced thermal hysteresis and high recovery strain values. This novel treatment might replace conventional pre-device shape setting/training of the wire with a post-device shape setting with promising industrial advantages. © 2014 ASM International. (literal)
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