Huang, Y., Millet, J., Zhang, N.X., Jenei, P., Gubicza, J. and Langdon, T.G., 2020. An investigation of strain softening phenomenon in Al-0.1% Mg alloy during high-pressure torsion processing. Advanced Engineering Materials, 22 (10), 1901578.
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Abstract
An Al-0.1% Mg alloy was processed by high-pressure torsion (HPT) at room temperature. The Al-0.1% Mg alloy displays strain softening phenomenon through hardness evolution: the hardness values in the disc centre area are higher than at the disc edge area after 1/2, 1 and 3 turns, and the size of the hard region in the disc centre gradually reduces as the numbers of turns increases from 1/2 to 3 turns. The hardness values evolve towards homogeneity along the disc diameters after 5 and 10 turns. Electron backscatter diffraction (EBSD) and X-ray line profile analysis suggest that the lower hardness values at the disc edge area in the Al-0.1% Mg alloy are related to a recovery / recrystallization mechanism where the material is subjected to heavy straining.
Item Type: | Article |
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ISSN: | 1438-1656 |
Additional Information: | The copyright line for this article was changed on 28 February 2020 after original online publication. Funding Information European Research Council. Grant Number: 267464-SPDMETALS Ministry of Human Capacities of Hungary. Grant Number: 1783-3/2018/FEKUTSRAT Bournemouth University |
Uncontrolled Keywords: | Al–0.1% Mg alloys; hardness; high-pressure torsion; microstructures; X-ray |
Group: | Faculty of Science & Technology |
ID Code: | 33384 |
Deposited By: | Symplectic RT2 |
Deposited On: | 11 Feb 2020 10:21 |
Last Modified: | 14 Mar 2022 14:19 |
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