Ultrafine Grained Microstructure in Al-Cu-Si Alloy Obtained by Accumulative Roll Bonding Process

Abstract:

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An Ultrafine grain (UFG) microstructure is developed on the sheet of Al-2.4wt%Cu-0.3wt%Si alloy after three passes of accumulative roll bonding (ARB) process. The detailed of the microstructural features and phases at different strain condition has been studied by transmission electron microscopy (TEM). Observation indicates at the possibility of dynamic recovery and recrystallisation during the ARB processing itself. The material becomes ultrafine grains after three passes of ARB itself with the formation of dynamically recrystallised grains all over the sample. TEM evidence is presented in support of this proposal.

Info:

Periodical:

Materials Science Forum (Volumes 702-703)

Edited by:

Asim Tewari, Satyam Suwas, Dinesh Srivastava, Indradev Samajdar and Arunansu Haldar

Pages:

157-160

DOI:

10.4028/www.scientific.net/MSF.702-703.157

Citation:

W. Ullah and Gouthama, "Ultrafine Grained Microstructure in Al-Cu-Si Alloy Obtained by Accumulative Roll Bonding Process", Materials Science Forum, Vols. 702-703, pp. 157-160, 2012

Online since:

December 2011

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$35.00

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