Journal of Materials Science

, Volume 40, Issue 13, pp 3461–3466 | Cite as

Simulation of clusters formation in Al-Cu based and Al-Zn based alloys

  • Daqin Chen
  • Yuansheng WangEmail author


A Monte Carlo computer simulation is adopted to investigate the role of micro-alloying elements Mg and Ag in Al-Cu and Al-Zn alloys. Small amount additions of Mg to the Al-Cu alloy markedly retard the formation of Cu clusters due to the preferential trapping of free-vacancies available for Cu diffusion. On the other hand, additions of Mg to the Al-Zn alloy promote the formation of Zn clusters due to the preferential Mg-Zn interaction. As for the effect of Ag, it is found that, in both Al-Cu-Mg and Al-Zn-Mg alloys, Ag atoms are preferentially bounded to Mg-Cu-vacancy or Mg-Zn-vacancy complexes. However, in Al-Cu-Mg alloy Ag atoms interact with Mg, while in Al-Zn-Mg alloy they interact with both Mg and Zn.


Polymer Computer Simulation Monte Carlo Computer Simulation Cluster Formation Base Alloy 
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Copyright information

© Springer Science + Business Media, Inc. 2005

Authors and Affiliations

  1. 1.Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou FujianPeoples’s Republic of China

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