[1]
Y.T. Zhu, T.G. Langdon: JOM, Vol. 56 (2004), p.58.

[2]
C.C. Koch: &anostructured Materials Processing, Properties and Potential Applications, 1st edition, Noyes/William Andrew, Norwich, New York, U.S.A. (2002).

[3]
C. Suryanarayana, C.C. Koch: Hyperfine Interact., Vol. 130 (2000), p.5.

[4]
M.A. Meyers, A. Mishra, D.J. Benson: Prog. Mater. Sci., Vol. 51 (2006), p.427.

[5]
E. Ma: JOM, Vol. 58 (2006), p.49.

[6]
Y.H. Zhao, Y.T. Zhu, X.Z. Liao, Z. Horita, T.G. Langdon: Appl. Phys. Lett., Vol. 89 (2006), p.121906.

[7]
Y.H. Zhao, J.F. Bingert, Y.T. Zhu, X.Z. Liao, R.Z. Valiev, Z. Horita, T.G. Langdon, Y.Z. Zhou, E.J. Lavernia: Appl. Phys. Lett., Vol. 92 (2008), p.081903.

DOI: https://doi.org/10.1063/1.2870014

[8]
L.L. Shaw: JOM, Vol. 52 (2000), p.41.

[9]
C.C. Koch: J. Mater. Sci., Vol. 42 (2007), p.1403.

[10]
C.C. Koch: Rev. Adv. Mater. Sci., Vol. 5 (2003), p.91.

[11]
C. Suryanarayana: Int. Mater. Rev., Vol. 40 (1995), p.41.

[12]
F.H. Froes, O.N. Senkov, E.G. Baburaj: Mater. Sci. Eng. A, Vol. 301 (2001), p.44.

[13]
G.M. Nieman, J.R. Weertman, R.W. Siegel: Scri. Metall., Vol. 23 (1989), p. (2013).

[14]
T.R. Malow, C.C. Koch : Acta Mater., Vol. 46 (1998), p.6459.

[15]
J.E. Carsley, A. Fisher, W. W Milligan, E.C. Aifantis: Metall. Mater. Trans. A, Vol. 29 (1998), p.2261.

[16]
A. Mashreghi, M.M. Moshksar: Int. J. Mod. phys. B, Vol. 22 (2008), p.2896.

[17]
M.M. Moshksar, M. Mirzaee: Intermetallics, Vol. 12 (2004), p.1361.

[18]
M.M. Moshksar and S.M. Zebarjad: Iran. J. Sci. Technol., Transaction B: Technology, Vol. 23 (1999), p.248.

[19]
C.C. Koch: Nanostructured Materials, Vol. 9 (1997), p.13.

[20]
R.Z. Valiev, Y. Estrin, Z. Horita, T.G. Langdon, M.J. Zehetbauer, Y.T. Zhu: JOM., Vol. 58 (2006), p.33.

[21]
S. Ohsaki, S. Kato, N. Tsuji, T. Ohkubo, K. Hono: Acta Mater., Vol. 55 (2007), p.2885.

[22]
R.Z. Valiev, T.C. Lowe, A.K. Mukherjee: JOM, Vol. 52 (2000), p.37.

[23]
V.M. Segal, V.I. Reznikov, A.E. Drobyshevski, V.I. Kopylov: Russ. Metall., Vol. 1 (1981), p.99.

[24]
R.Z. Valiev, N.A. Krasilnikov, N.K. Tsenev: Mater. Sci. Eng. A, Vol. 137 (1991), p.35.

[25]
R.Z. Valiev, A.V. Korznikov, R.R. Mulyukov: Mater. Sci. Eng. A, Vol. 168 (1993), p.141.

[26]
M. Reihanian, R. Ebrahimi, N. Tsuji, M.M. Moshksar: Mater. Sci. Eng. A, Vol. 473 (2008), p.189.

[27]
V.M. Segal: Mater. Sci. Eng. A, Vol. 197 (1995), p.157.

[28]
B. Cherukuri, T.S. Nedkova, R. Srinivasan: Mater. Sci. Eng. A, Vol. 410-411 (2005), p.394.

[29]
H.W. Zhang, N. Hansen: J. Mater. Sci., Vol. 42 (2007), p.1682.

[30]
N. Tsuji, Y. Saito, H. Utsunomiya, S. Tanigawa: Scr. Mater., Vol. 40 (1999), p.795.

[31]
Y. Saito, N. Tsuji, H. Utsunomiay, T. Sakai, R.H. Hong: Scr. Mater., Vol. 39 (1998), p.1221.

[32]
H. Danesh Manesh, H. Sh. Shahabi, J. Alloy. Compd. (2008), Article in press.

[33]
M. Eizadju, H. Danesh Manesh, K. Janghorban: Mater. Design, Vol. 29 (2008), p.909.

[34]
M. Eizadjou, A. Kazemi Talachi, H. Danesh Manesh, H. Shakur Shahabi, K. Janghorban: Compos. Sci. Technol., Vol 68 (2008), p. (2003).

[35]
L. Ghalandari, M.M. moshksar: A paper on accumulative roll bonding is going to be submitted.

[36]
D.H. Shin, J.J. Park, Y.S. Kim, K.T. Park: Mater. Sci. Eng. A, Vol. 328 (2002), p.98.

[37]
J.W. Lee, J.J. Park: J. Mater. Process. Tech., Vol. 130-131 (2002), p.208.

[38]
A. Shirdel, A. Khajeh, M.M. Moshksar: a paper on groove pressing is going to be submitted.

[39]
M. Ahmadi Moqaddam, M.M. Moshksar: a paper on cyclic extrusion and compression is going to be submitted.

[40]
Y.T. Zhu, H. Jiang, J. Huang, T.C. Lowe: Metall. Mater. Trans. A, Vol. 32 (2001), p.1559.

[41]
Y.T. Zhu, T.C. Lowe, H. Jiang, J. Huang, U.S. Patent 6, 197, 129. (2001).

[42]
J.Y. Huang, Y.T. Zhu, H. Jiang, T.C. Lowe: Acta mater., Vol. 49 (2001), p.1497.

[43]
J. Huang, Y.T. Zhu, D.J. Alexander, X. Liao, T.C. Lowe, R.J. Asaro: Mater. Sci. Eng. A, Vol. 371 (2004), p.35.

[44]
L.S. Tóth, M. Arzaghi, J.J. Fundenberger, B. Beausir,O. Bouaziz, R. Arruffat-Massion: Scripta Mater., Vol. 60 (2009), p.175.

[45]
Q.D. Wang, Y.J. Chen, J.B. Lin, L.J. Zhang, C.Q. Zhai: Mater. Lett., Vol. 61 (2007), p.4599.

[46]
Y. Estrin, H.S. Kim, F.R.N. Nabarro: Acta Mater., Vol. 55 (2007), p.6401.

[47]
N. Hansen, X. Huang, G. Winther: Mater. Sci. Eng. A, Vol. 494 (2008), p.61.

[48]
N. Hansen: Scripta Mater., Vol. 51 (2004), p.801.

[49]
M. Reihanian, R. Ebrahimi, M.M. Moshksar, D. Terada, N. Tsujib: Mater. Charact., Vol. 59 (2008), p.1312.

[50]
R. Song, D. Ponge, D. Raabe, J.G. Speer, D.K. Matlock: Mater. Sci. Eng. A, Vol. 441 (2006), p.1.

[51]
M. Dao, L. Lu, R.J. Asaro, J.T.M. De Hosson, E. Ma: Acta mater., Vol. 55 (2007), p.4041.

[52]
J. Lian, B. Baudelet, A.A. Nazarov: Mater. Sci. Eng. A, Vol. 172 (1993), P. 23.

[53]
J.P. Hirth, J. Lothe, Theory of Dislocations, 2nd edition, John Wiley & Sons, New York (1982).

[54]
D. Kuhlmann-Wilsdorf: Mater. Sci. Eng. A, Vol. 113 (1989), p.1.

[55]
N. Hansen, X. Huang, D.A. Hughes: Mater. Sci. Eng. A, Vol. 317 (2001), p.3.

[56]
R. Kapoor, J.K. Chakravartty: Acta Mater., Vol. 55 (2007), p.5408.

[57]
N. Hansen: Metall. Mater. Trans. A, Vol. 32 (2001), p.2917.

[58]
L. Kommel, I. Hussainova, O. Volobueva: Mater. Design, Vol. 28 (2007), p.2121.

[59]
I. Alexandrov, R. Chembarisova, V. Sitdikov, V. Kazyhanov: Mater. Sci. Eng. A, Vol. 493 (2008), p.170.

[60]
S.G. Chowdhury, A. Mondal, J. Gubicza, G. Krállics, Á. Fodor: Mater. Sci. Eng. A, Vol. 490 (2008), p.335.

[61]
D.A. Hughes, N. Hansen: Acta Mater., Vol. 48 (2000), p.2985.

[62]
Q. Liu, X. Huang, D.J. Lloyd, N. Hansen: Acta Mater., Vol. 50 (2002), p.3789.

[63]
R. Ueji, X. Huang, N. Hansen, N. Tsuji, Y. Minamino: Mater. Sci. Forum., Vol. 426-432 (2003), p.405.

[64]
N. Hansen, X. Huang, R. Ueji, N. Tsuji: Mater. Sci. Eng. A, Vol. 387-389 (2004), p.191.

[65]
N. Kamikawa, X. Huang, N. Tsuji, N. Hansen, Y. Minamino: Mater. Sci. Forum, Vol. 512 (2006), p.91.

[66]
J.R. Bowen, P.B. Prangnell, D.J. Jensen, N. Hansen: Mater. Sci. Eng. A, Vol. 387-389 (2004), p.235.

[67]
Y.W. Tham, M.W. Fu, H.H. Hng, M.S. Yong, K.B. Lim: J. Mater. Process. Tech., Vol. 192- 193 (2007), p.121.

[68]
I. Balasundar, M. Sudhakara Rao, T. Raghu: Mater. Design, Vol. 30 (2009), p.1050.

[69]
H.S. Kim, Y. Estrin: Mater. Sci. Eng. A, Vol. 410-411 (2005), p.285.

[70]
W.J. Kim, J.C. Namgung, J.K. Kim: Scr. Mater., Vol. 53 (2005), p.293.

[71]
M. Reihanian, R. Ebrahimi, M.M. Moshksar: Materials and Design, Vol. 30 (2009), p.28.

[72]
M.H. Paydar, M. Reihanian, R. Ebrahimi, T.A. Dean, M.M. Moshksar: J. Mater. Proc. Tech., Vol. 198 (2008), p.48.

[73]
S. Wang, W. Liang, Y. Wang, L. Bian, K. Chen: J. Mater. Process. Tech., Vol. 209 ( 2 0 0 9 ), p.3182.

[74]
B.L. Li, N. Tsuji, N. Kamikawa: Mater. Sci. Eng. A, Vol. 423 (2006), p.331.

[75]
D.A. Hughes: Mater. Sci. Eng. A, Vol. 319-321 (2001), p.46.

[76]
E. Ma: J. Mater. Eng. Perform. , Vol. 14 (2005), p.430.

[77]
S. Cheng, E. Ma, Y.M. Wang, L.J. Kecskes, K.M. Youssef, C.C. Koch, U.P. Trociewitz, K. Han: Acta Mater., Vol. 53 (2005), p.1521.

[78]
Y.H. Zhao, T. Topping, J.F. Bingert, J.J. Thornton, A.M. Dangelewicz, Y. Li, W. Liu, Y.T. Zhu, Y. Zhou, E.J. Lavernia: Adv. Mater., Vol. 20 (2008), p.3028.

DOI: https://doi.org/10.1002/adma.200800214

[79]
M. Kawasaki, R.B. Figueiredo, C. Xu, T.G. Langdon: Metall. Mater. Trans. A, Vol. 38 (2007), p.1891.

[80]
Z. Horita, T. Fujinami, M. Nemoto, T.G. Langdon: Metall. Mater. Trans. A, Vol. 31 (2000), p.691.

[81]
R.Z. Valiev, I.V. Alexandrov, T.C. Lowe, Y.T. Zhu: J. Mater. Res., Vol. 17 (2002), p.5.

[82]
Z. Horita, K. Ohashi, T. Fujita, K. Kaneko, T.G. Langdon: Adv. Mater., Vol. 17 (2005), p.1599.

[83]
Y. Wang, M. Chen, F. Zhao, E. Ma: Nature, Vol. 419 (2002), p.912.

[84]
Y.T. Zhu, X.Z. Liao: Nat. Mater., Vol. 3 (2004), p.351.

[85]
D. Jia, Y.M. Wang, K.T. Ramesh, E. Ma, Y.T. Zhu, R.Z. Valiev: Appl. Phys. Lett., Vol. 79 (2001), p.611.

[86]
Z. Budrovic, H. Van Swygenhoven, P.M. Derlet, S.V. Petegem, B. Schmitt: Science, Vol. 304 (2004), p.273.

[87]
W. Lojkowski: Acta Metall. Mater., Vol. 39 (1991), p.1891.

[88]
C.C. Koch: Scripta Mate., Vol. 49 (2003), p.657.

[89]
Y.H. Zhao, X.Z. Liao, Z. Horita, T.G. Langdon, Y.T. Zhu: Mater. Sci. Eng. A, Vol. 493 (2008), p.123.

[90]
X. Wu, Y.T. Zhu, E. Ma: Appl. Phys. Lett., Vol 88 (2006), p.121905.

[91]
X.Z. Liao, Y.H. Zhao, Y.T. Zhu, R.Z. Valiev, D.V. Gunderov: J. Appl. Phys., Vol. 96 (2004), p.636.

[92]
Z.W. Wang, Y.B. Wang, X.Z. Liao, Y.H. Zhao, E.J. Lavernia, Y.T. Zhu, Z. Horitad, T.G. Langdone: Scripta Mater., Vol. 60 (2009), p.52.

[93]
Y.H. Zhao, X.Z. Liao, Y.T. Zhu, Z. Horita, T.G. Langdon: Mater. Sci. Eng. A, Vol. 410-411 (2005), p.188.

[94]
Y.H. Zhao, Y.T. Zhu, X.Z. Liao, Z. Horita, T.G. Langdon: Mater. Sci. Eng. A, Vol. 463 (2007), p.22.

[95]
Y.H. Zhao, X.Z. Liao, S. Cheng, E. Ma, Y.T. Zhu: Adv. Mater., Vol. 18 (2006), p.2280.

[96]
S. Cheng, Y.H. Zhao, Y.T. Zhu, E. Ma: Acta Mater., Vol. 55 (2007), p.5822.

[97]
Y.H. Zhao, Y.Z. Guo, Q. Wei, A.M. Dangelewicz, C. Xu, Y.T. Zhu, T.G. Langdon, Y.Z. Zhou, E.J. Lavernia: Scripta Mater., Vol. 59 (2008), p.627.

[98]
I. Sabirov, Y. Estrin, M.R. Barnett, I. Timokhina, P.D. Hodgson: Acta Mater., Vol. 56 (2008), p.2223.