http://www.cnr.it/ontology/cnr/individuo/prodotto/ID22080
Effect of Nb-V addition on the mechanical behaviour and structural stability of ultrafine grained steels (Articolo in rivista)
- Type
- Label
- Effect of Nb-V addition on the mechanical behaviour and structural stability of ultrafine grained steels (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- M. Vedani; S. Arnaboldi; G. Vimercati; P. Bassani; A. Tuissi (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- a Politecnico di Milano, Dipartimento di Meccanica, Milano, Italy
b CNR, Istituto per l'Energetica e le Interfasi, Lecco, Italy (literal)
- Titolo
- Effect of Nb-V addition on the mechanical behaviour and structural stability of ultrafine grained steels (literal)
- Abstract
- A study is presented on microstructural evolution and mechanical behaviour of three ultrafine grained steels produced
by severe plastic deformation. Two Nb-V microalloyed steel grades differing only in their Nb content and a
C-Mn steel were extensively refined at 773 K by caliber rolling to a reduction of section of the order of 98%. Grain
stability and evolution of mechanical properties during annealing at 873 K were then investigated.
It was demonstrated that tailored annealing treatments lead to a modification of the tensile behaviour of the ultrafine
steels, with a more satisfactory combination of strength and uniform elongation. Nb-V microalloying contributed
to increasing the stability of the grain structure and allowed achieving slightly improved properties with respect to the
C-Mn grade. (literal)
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