Atomic Scale Investigation of Impurity 3D Distribution in Nanocrystalline Ni Processed by SPD

Abstract:

Some nanocrystaline Ni was prepared by repeated cold rolling with intermediate folding (F&R). The material was then processed by High Pressure Torsion (HPT) to study the grain evolution under additional Severe Plastic Deformation (SPD). Microstructures were characterized by Transmission Electron Microscopy (TEM) and the impurity distribution was analyzed by Atom Probe Tomography (APT). In this paper, we discuss about the influence of impurities on the grain growth during HPT and on the grain size reduction mechanism during SPD.

• Periodical: Materials Science Forum (Volumes 667-669)
• Pages: 169-174
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.667-669.169
• Online since: December 2010
• Authors: Xavier Sauvage, Gerhard Wilde, Ruslan Valiev
• Keywords: Atom Probe Tomography (APT), Impurity, Nickel, Segregation, Severe Plastic Deformation (SPD)

References

[1] R.Z. Valiev, , R.K. Islamgaliev, I.V. Alexandrov, Prog in Mater Sci 45 (2000) 103.

[2] R. Z. Valiev, Y. Estrin, Z. Horita, T. G. Langdon, M. J. Zehetbauer and Y.T. Zhu, J.O.M. vol. 58, issue 4 (2006) p.33.

[3] R. Z. Valiev, M. J. Zehetbauer, Y. Estrin, H. -W. Höppel, Yu. Ivanisenko, H. Hahn, G. Wilde, H. J. Roven, X. Sauvage, and T. G. Langdon, Adv. Eng. Mater. 9 (2007) 527-533.

DOI: 10.1002/adem.200700078

[4] G. Wilde, G.P. Dinda, H. Rösner, Int. J. Mat. Res. 98 (2007) 4.

[5] G.P. Dinda, H. Rösner, G. Wilde, Mater Sci Eng. A 410-411 (2005) 328.

[6] G.P. Dinda, H. Rösner, G. Wilde, Scripta Mater 52 (2005) 577.

[7] X. Sauvage, D.G. Dinda, G. Wilde, Scripta Mater 56 (2007) 181-184.

[8] H.W. Zhang, X. Huang, R. Pippan, N. Hansen, Acta Mater 58 (2010) 1698.

[9] A. Bachmaier, A. Hohenwarter, R. Pippan, Scripta Mater 61 (2009) 1016.

[10] X.Z. Liao, A.R. Kilmametov, R.Z. Valiev, H. Gao, X. Li, A.K. Mukherjee, J.F. Bingert, Y.T. Zhu, Appl. Phys. Lett. 88 (2006) 021909.

DOI: 10.1063/1.2159088

[11] B. Yang, H. Vehoff, A. Hohenwarter, M. Hafok, R. Pippan, Scripta Mater 58 (2008) 790.

DOI: 10.1016/j.scriptamat.2007.12.039

[12] R.Z. Valiev, N.A. Enikeev, M. Yu. Murashkin, V.U. Kazykhanov, X. Sauvage, Scripta Mater 63 (2010) 949.

DOI: 10.1016/j.scriptamat.2010.07.014

[13] X. Sauvage and Y. Ivanisenko, J. Mat. Sci. 42 (2007), 1615-1621.

[14] G. Nurislamova, X. Sauvage, M. Murashkin, R. Islamgaliev, R. Valiev, Philos Mag Letters vol. 88, issue 6 (2008) pp.459-466.

DOI: 10.1080/09500830802186938

[15] H.W. Zhang, X. Huang, N. Hansen, Acta Mater 56 (2008) 5451.

[16] Y.M. Wang, S. Cheng, Q.M. Wei, E. Ma, T.G. Nieh, A. Hamaza, Scripta Mater 51 (2004) 1023.

[17] E.O. Hall, Proc. Phys. Soc. B 64 (1951) 747.

[18] N.J. Petch, J. Iron Steel Instrum. 173 (1953) 25.

[19] E. Cadel, D. Lemarchand, S. Chambreland, D. Blavette, Acta Materialia, Volume 50, Issue 5, 14 March 2002, Pages 957-966.

DOI: 10.1016/s1359-6454(01)00395-0