Functional characterization of NiTi Shape Memory elements for smart micro-actuation (Contributo in atti di convegno)

Type
Label
  • Functional characterization of NiTi Shape Memory elements for smart micro-actuation (Contributo in atti di convegno) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1115/SMASIS2013-3253 (literal)
Alternative label
  • Biffi, Carlo Alberto; Bonacina, Luca; Nespoli, Adelaide; Previtali, Barbara; Tuissi, Ausonio (2013)
    Functional characterization of NiTi Shape Memory elements for smart micro-actuation
    in ASME 2013 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS 2013;, Snowbird, UT; United States;, 16 September 2013 through 18 September 2013;
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Biffi, Carlo Alberto; Bonacina, Luca; Nespoli, Adelaide; Previtali, Barbara; Tuissi, Ausonio (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/record/display.url?eid=2-s2.0-84896327939&origin=inward (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 1 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#volumeInCollana
  • 1 (literal)
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Consiglio Nazionale delle Ricerche; Politecnico di Milano (literal)
Titolo
  • Functional characterization of NiTi Shape Memory elements for smart micro-actuation (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
  • 9780791856031 (literal)
Abstract
  • Shape Memory Alloys (SMAs) are smart and functional materials, which are considered good candidates for the activation of devices for the automotive, aerospace, biomedical and mechanical systems, thanks to the shape memory effect. In this work, a study on the mechanical response of NiTi SMA snake like elements has been proposed. The production route of these elements from thin sheets, was given by laser machining followed by chemical etching. The micro-elements were characterized by means of calorimetric analysis for the definition of the theoretical operating temperatures and by means of thermo-mechanical testing for the evaluation of their functional performances. Mechanical tests has been carried out to assess the tensile behavior of martensite and austenite separately, and to evaluate the thermal hysteresis under different constant loads. Moreover, Finite Element Modeling (FEM) has been also accomplished to study the numerical evaluation of the stress field that origins by the application of the different loads in both the martensitic and austenitic phases. Copyright © 2013 by ASME. (literal)
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