Effect of type-B Portevin-Le Chatelier bands on the onset of necking in uniaxial tension of strip cast AA5754 sheets

Article ID	Journal	Published Year	Pages	File Type
10634177	Scripta Materialia	2005	5 Pages	PDF

Abstract

We present a new model for the effect of type-B Portevin-Le Chatelier (PLC) bands on the early onset of necking in uniaxial tension. The model is used to explain the effect of strain rate on necking strain in strip cast AA5754 sheets. The strong correlation between PLC band strain and PLC markings is delineated through the surface roughness measurements by confocal microscopy as well.

Keywords

Tension test aluminum alloys Portevin–Le Chatelier effect Ductility Confocal microscopy

Related Topics

Physical Sciences and Engineering Materials Science Ceramics and Composites

Preview

Effect of type-B Portevin-Le Chatelier bands on the onset of necking in uniaxial tension of strip cast AA5754 sheets

Authors

Jidong Kang, David S. Wilkinson, J. David Embury, Mukesh Jain, Armand J. Beaudoin,