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Criteria for prediction of plastic instabilities for hot working processes. Part I, Theoretical review

Autor
A. Al Omar; Prado, J.
Tipus d'activitat
Article en revista
Revista
Welding international
Data de publicació
2012
Volum
26
Número
12
Pàgina inicial
921
Pàgina final
934
DOI
https://doi.org/10.1080/09507116.2011.592704 Obrir en finestra nova
URL
http://www.tandfonline.com/doi/abs/10.1080/09507116.2011.592704#.Ue5bgaxJXa4 Obrir en finestra nova
Resum
Hot working processes often induce high levels of strain at high strain rates, and impose very complex multi-axial modes of solicitation. These processes are essentially limited by the apparition and development of plastic instabilities. These may be the direct cause of rapid crack propagation, which lead to a possible final rupture. The complexity of strain modes and the simultaneous intervention of several parameters have led many researchers to develop various criteria, with different approac...
Paraules clau
dynamic material model, flow localization, hot working, plastic instability criteria
Grup de recerca
PROCOMAME - Processos de Conformació de Materials Metàl·lics
TECNOFAB - Grup de Recerca en Tecnologies de Fabricació

Participants