References
[1] Valiev RZ, Korznikov AV, Mulyukov RR. Structure and properties of ultrahne-grained materials produced by severe plastic deformation. 1993:141-.
[2] Valiev RZ, Islamgaliev RK. SPD processing and superplasticity in ultrafine-grained alloys. Superplasticity - Current Status and Future Potential Symposium, 29 Nov-1 Dec 1999. Warrendale, PA, USA: Mater. Res. Soc.; 2000. p. 335-45.
[3] Saito Y, Utsunomiya H, Tsuji N, Sakai T. Novel ultra-high straining process for bulk materials-development of the accumulative roll-bonding (ARB) process. Acta Materialia. 1999;47:579-83.
[4] Zhilyaev AP, Langdon TG. Using high-pressure torsion for metal processing: fundamentals and applications. Progress in Materials Science. 2008;53:893-979.
[5] Orlov D, Todaka Y, Umemoto M, Tsuji N. Role of strain reversal in grain refinement by severe plastic deformation. Materials Science & Engineering: A (Structural Materials: Properties, Microstructure and Processing). 2009;499:427-33.
[6] Orlov D, Todaka Y, Umemoto M, Tsuji N. Formation of bimodal grain structures in high purity Al by reversal high pressure torsion. Scripta Materialia. 2011;64:498-501.
[7] Kawasaki M, Figueiredo RB, Langdon TG. Twenty-five years of severe plastic deformation: recent developments in evaluating the degree of homogeneity through the thickness of disks processed by high-pressure torsion. Journal of Materials Science. 2012;47:7719-25.
[8] Zhang J, Gao N, Starink MJ. Microstructure development and hardening during high pressure torsion of commercially pure aluminium: Strain reversal experiments and a dislocation based model. Materials Science and Engineering: A. 2011;528:2581-91.
[9] Jiuwen Z, Nong G, Starink MJ. Microstructure development and hardening during high pressure torsion of commercially pure aluminium: Strain reversal experiments and a dislocation based model. Materials Science & Engineering: A (Structural Materials: Properties, Microstructure and Processing). 2011;528:2581-91.
[10] Xu C, Horita Z, Langdon TG. The evolution of homogeneity in an aluminum alloy processed using high-pressure torsion. Acta Materialia. 2008;56:5168-76.
[11] Kawasaki M, Alhajeri SN, Xu C, Langdon TG. The development of hardness homogeneity in pure aluminum and aluminum alloy disks processed by high-pressure torsion. Materials Science and Engineering A. 2011;529:345-51.
[12] Ryen Ø, Holmedal B, Nijs O, Nes E, Sjölander E, Ekström H-E. Strengthening mechanisms in solid solution aluminum alloys. MMTA. 2006;37:1999-2006.
[13] Hughes DA. Microstructural evolution in a non-cell forming metal: AlMg. Acta Metallurgica Et Materialia. 1993;41:1421-30.
[14] Zhang J, Gao N, Starink MJ. Al-Mg-Cu based alloys and pure Al processed by high pressure torsion: The influence of alloying additions on strengthening. Materials Science and Engineering A. 2010;527:3472-9.
[15] Gubicza J, Chinh NQ, Horita Z, Langdon TG. Effect of Mg addition on microstructure and mechanical properties of aluminum. Materials Science and Engineering A. 2004;387-389:55-9.
[16] Zhang J, Starink MJ, Gao N, Zhou W. Effect of Mg addition on strengthening of aluminium alloys subjected to different strain paths in high pressure torsion. Materials Science and Engineering: A. 2011;528:2093-9.
[17] Bhattacharjee PP, Saha S, Gatti JR. Effect of Change in Strain Path During Cold Rolling on the Evolution of Microstructure and Texture in Al and Al-2.5%Mg. J of Materi Eng and Perform. 2014;23:458-68.
[18] Frank FC, Mott NF. The Frank2014;Read source. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 1980;371:136-8.