Paper Title:
The Effect of Mn Addition on Recrystallization of Cold Rolled Al-Mg-Si-Cu Alloy
  Abstract

Small amounts of Mn have been used in order to modify the microstructure and thus improve the properties of the alloys. The effect of Mn addition on structure and properties of cold rolled Al-Mg-Si-Cu alloy at different annealed temperatures is presented in this paper. Both recrystallization temperature and activation energy of recrystallization are obtained from the hardness-temperature curves. The results show that Mn can have an inhibitive effect on recrystallization. Within a certain concentration of Mn in the alloy (<0.7 wt.%) both the activation energy of recrystallization and recrystallization start temperature increase with the addition of Mn content. The activation energy of recrystallization of the alloy which contains 0 wt.% Mn, 0.3 wt.% Mn and 0.7 wt.% Mn are respectively 134.4 kJ·mol-1, 137.4 kJ·mol-1 and 140.1 kJ·mol-1 and the recrystallization start temperature increases from 190 to 230 as Mn content increases from 0 to 0.7 wt.%.

  Info
Periodical
Advanced Materials Research (Volumes 146-147)
Edited by
Sihai Jiao, Zhengyi Jiang and Jinglong Bu
Pages
1874-1877
DOI
10.4028/www.scientific.net/AMR.146-147.1874
Citation
Y. B. Wang, Y. Lin, J. M. Zeng, "The Effect of Mn Addition on Recrystallization of Cold Rolled Al-Mg-Si-Cu Alloy", Advanced Materials Research, Vols. 146-147, pp. 1874-1877, 2011
Online since
October 2010
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