Educational pathways through nanoscience: Nitinol as a paradigmatic smart material (Articolo in rivista)

Type
Label
  • Educational pathways through nanoscience: Nitinol as a paradigmatic smart material (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0031-9120/48/3/298 (literal)
Alternative label
  • Lisotti A.; De Renzi V.D.; Rozzi C.A.; Villa E.; Albertini F.; Goldoni G. (2013)
    Educational pathways through nanoscience: Nitinol as a paradigmatic smart material
    in Physics education (Bristol, Print); IOP PUBLISHING, BRISTOL (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Lisotti A.; De Renzi V.D.; Rozzi C.A.; Villa E.; Albertini F.; Goldoni G. (literal)
Pagina inizio
  • 298 (literal)
Pagina fine
  • 311 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://iopscience.iop.org/0031-9120/48/3/298/ (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 48 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 3 (literal)
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1,2,6 : Department of Physics, University of Modena and Reggio Emilia, Via Campi 213/a, I-41125 Modena, Italy / 1,2,3,6 : CNR-Insitute for Nanoscience S3, Via Campi 213/a, I-41125 Modena, Italy / 4 : CNR IENI Lecco, C.so Promessi Sposi 29, I-23900 Lecco, Italy / 5 : CNR-Institute of Materials for Electronics and Magnetism (IMEM), Parco Area delle Scienze 37/a, I-43124 Parma, Italy (literal)
Titolo
  • Educational pathways through nanoscience: Nitinol as a paradigmatic smart material (literal)
Abstract
  • We developed an educational path based on nitinol, a shape memory alloy which conveniently exemplifies the smart material concept, i.e., a material that performs a predetermined, reversible action in response to a change in the environment. Nitinol recovers a given shape, changes its resistivity drastically and modifies its elastic properties if subjected to a temperature change in a convenient range. Here, the properties are verified with laboratory protocols appropriate to a high-school environment. Use of mobile electronic devices is also suggested. The collected electrical and mechanical properties are analysed within a didactic path which emphasizes their common physical origin, i.e., the martensitic transition. Moreover, the peculiarities of this solid-to-solid transformation are put in correspondence with the apparently unrelated but more familiar liquid-vapour transition. The relationship with possible applications is emphasized by measuring the efficiency of using a nitinol spring as an actuator. (literal)
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