Simulation of Multipass Hot Rolling for 7050 Aluminum Alloys

Abstract:

To determine the relations between rolling passes, mechanical behaviours and microstructure evolution of AA7050 aluminum alloys, finite element modeling of a multipass hot rolling process is developed and employed to investigate thermo-mechanical evolution during this processing. Through parametric studies, the distribution of local strain and temperature across thickness during the hot rolling process are numerically determined. These results are used to determine the subgrain size and thus the microstructure evolution during the hot rolling process are estimated.

• Periodical: Applied Mechanics and Materials (Volume 846)
• Pages: 145-150
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.846.145
• Online since: July 2016
• Authors: Yang An, Peter Hodgson, Chun Hui Yang*
• Keywords: Aluminum Alloy, Dynamic Recovery, Dynamic Recrystallisation, Finite Element Model, Hot Rolling

References

[1] Z. Zúberová, Y. Estrin, T.T. Lamark, M. Janeček, R.J. Hellmig, and M. Krieger, Effect of equal channel angular pressing on the deformation behaviour of magnesium alloy AZ31 under uniaxial compression. Journal of Materials Processing Technology, 2007. 184(1–3): pp.294-299.

DOI: 10.1016/j.jmatprotec.2006.11.098

[2] C.M. Sellars and W.J. McTegart, On the mechanism of hot deformation. Acta Metallurgica, 1966. 14(9): pp.1136-1138.

DOI: 10.1016/0001-6160(66)90207-0

[3] J.D. Robson, Microstructural evolution in aluminium alloy 7050 during processing. Materials Science and Engineering: A, 2004. 382(1–2): pp.112-121.

DOI: 10.1016/j.msea.2004.05.006

[4] H.E. Hu, L. Zhen, L. Yang, W.Z. Shao, and B.Y. Zhang, Deformation behavior and microstructure evolution of 7050 aluminum alloy during high temperature deformation. Materials Science and Engineering: A, 2008. 488(1–2): pp.64-71.

DOI: 10.1016/j.msea.2007.10.051

[5] J. Li, F. Li, J. Cai, R. Wang, Z. Yuan, and F. Xue, Flow behavior modeling of the 7050 aluminum alloy at elevated temperatures considering the compensation of strain. Materials & Design, 2012. 42: pp.369-377.

DOI: 10.1016/j.matdes.2012.06.032

[6] W.C. Chen, I.V. Samarasekera, and E.B. Hawbolt, Fundamental phenomena governing heat transfer during rolling. Metallurgical Transactions A, 1993. 24(6): pp.1307-1320.

DOI: 10.1007/bf02668199

[7] C.H. Moon and Y. Lee, Approximate Model for Predicting Roll Force and Torque in Plate Rolling with Peening Effect Considered. ISIJ International, 2008. 48(10): pp.1409-1418.

DOI: 10.2355/isijinternational.48.1409

[8] J.R. Davis, Aluminum and Aluminum Alloys. (2005).

[9] S.F. Wong, P.D. Hodgson, C.J. Chong, and P.F. Thomson, Physical modelling with application to metal working, especially to hot rolling. Journal of Materials Processing Technology, 1996. 62(1–3): pp.260-274.

DOI: 10.1016/0924-0136(95)02219-8

[10] T.J. Turner, M.P. Miller, and N.R. Barton, The influence of crystallographic texture and slip system strength on deformation induced shape changes in AA 7050 thick plate. Mechanics of Materials, 2002. 34(10): pp.605-625.

DOI: 10.1016/s0167-6636(02)00160-6