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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
engineering
Microstructural evolution in an Al-6061 alloy processed by high-pressure torsion
Materials Science and Engineering: A, Volume 527, No. 18-19, Year 2010
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Description
Experiments were conducted to evaluate the evolution of hardness and microstructure in a commercial aluminum 6061 alloy processed by high-pressure torsion (HPT). The results show that processing by HPT leads to significant grain refinement with an average grain size of ∼450. nm at the edge of a disk subjected to torsional straining through 5 turns. Hardness measurements show an increase from ∼80. Hv in the solid solution condition to ∼160. Hv after HPT where these values correlate well with the equivalent strain applied to the disk. Quantitative measurements show the grain size decreases and the fraction of high-angle grain boundaries increases with increasing strain. © 2010 Elsevier B.V.
Authors & Co-Authors
Loucif, Aicha
Algeria, Annaba
Université Badji Mokhtar - Annaba
Figueiredo, Roberto Braga
United Kingdom, Southampton
University of Southampton
Baudin, T.
France, Orsay
Institut de Chimie Moléculaire et Des Matériaux D'orsay
Brisset, François
France, Orsay
Institut de Chimie Moléculaire et Des Matériaux D'orsay
Langdon, Terence G.
United Kingdom, Southampton
University of Southampton
United States, Los Angeles
University of Southern California
Statistics
Citations: 126
Authors: 5
Affiliations: 4
Identifiers
Doi:
10.1016/j.msea.2010.04.027
ISSN:
09215093
Study Approach
Quantitative