Tensile deformation of a ultrafine-grained aluminium alloy: micro shear banding and grain boundary sliding
Sabirov, I., Estrin, Y., Barnett, M., Timokhina, I. and Hodgson, P. 2008, Tensile deformation of a ultrafine-grained aluminium alloy: micro shear banding and grain boundary sliding, Acta Materialia, vol. 56, no. 10, pp. 2223-2230, doi: 10.1016/j.actamat.2008.01.020.
Attached Files
Name
Description
MIMEType
Size
Downloads
Title
Tensile deformation of a ultrafine-grained aluminium alloy: micro shear banding and grain boundary sliding
This work investigates the relationship between the strain rate and the ductility and the underlying deformation mechanisms in an ultrafine-grained Al6082 alloy. At room temperature the uniform elongation of the material exhibits a marked increase with decreasing strain rate. This effect is related to the activation of micro shear banding, which is controlled by grain boundary sliding. The contribution of these mechanisms to uniform elongation is estimated. It is proposed that the grain boundary sliding suppresses the transformation of micro shear bands into macro shear bands. The activity of other deformation mechanisms during plastic deformation of the ultrafine-grained material is also discussed.
Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.