Microstructure evolution and aging kinetics of Al-Mg-Si and Al-Mg-Si-Sc alloys processed by ECAP (Articolo in rivista)

Type
Label
  • Microstructure evolution and aging kinetics of Al-Mg-Si and Al-Mg-Si-Sc alloys processed by ECAP (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Angella G.; Bassani P.; Tuissi A.; Ripamonti D.; Vedani M. (2006)
    Microstructure evolution and aging kinetics of Al-Mg-Si and Al-Mg-Si-Sc alloys processed by ECAP
    in Materials science forum
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Angella G.; Bassani P.; Tuissi A.; Ripamonti D.; Vedani M. (literal)
Pagina inizio
  • 493 (literal)
Pagina fine
  • 498 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 503-4 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Institute for Energetics and Interphases CNR-IENI, Via R. Cozzi 53, 20125 Milano, Italy Institute for Energetics and Interphases CNR-IENI, Corso Promessi Sposi 29, 23900 Lecco, Italy Politecnico di Milano - Dipartimento di Meccanica, Via La masa 34, 20156 Milano, Italy (literal)
Titolo
  • Microstructure evolution and aging kinetics of Al-Mg-Si and Al-Mg-Si-Sc alloys processed by ECAP (literal)
Abstract
  • A study was carried out on a ECAP processed Sc-containing Al-Mg-Si alloy and on a reference 6082 alloy to investigated grain structure evolution during severe plastic deformation and post-ECAP aging behaviour. The results showed that the mechanism of ultrafine structure development was substantially unchanged with respect to a reference Sc-free alloy. Also the aging sequence and precipitation kinetics of the two alloys revealed to be comparable. The ECAP processed samples of the 6082 reference alloy showed a clear recrystallization peak at temperatures in the range 315-360°C, depending on the amount of strain experienced, whereas the Sc-containing alloy retained its ultrafine structure up to temperatures well exceeding 450°C, under the conditions reproduced in a DSC temperature scan. (literal)
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