Paper Title:
Microstructure and Properties of Mg-6Zn-6Al-0.5Mn-0.6Si-0.1Ca Alloy
  Abstract

The Mg-6Zn-6Al-0.5Mn-0.6Si-0.1Ca alloy has been produced in a steel crucible in an electric resistance furnace protectived by CO2+0.5%SF6. The microstructure of the as-cast alloy consisted of matrix–α(Mg) supersaturated solid solution, τ(Mg32(Al,Zn)49) ternary-phase and a small polygonal type Mg2Si phase in matrix. The τ(Mg32(Al,Zn)49) ternary-phase dispersion distribution in grain boundaries. After solution-treated, the amount of quasi-continuous net-shape ternary-phases reduce and small part of ternary-phases dissolve to the matrix which lead to the distribution on the matrix more uniform than as-casting condition in the alloy. The results of tensile, microhardness, impact toughness and corrosion property show that the alloy has better compressive properties.

  Info
Periodical
Edited by
Honghua Tan
Pages
731-735
DOI
10.4028/www.scientific.net/AMM.66-68.731
Citation
B. F. Zhang, A. Y. Jiang, Z. Li, X. W. Chen, "Microstructure and Properties of Mg-6Zn-6Al-0.5Mn-0.6Si-0.1Ca Alloy", Applied Mechanics and Materials, Vols. 66-68, pp. 731-735, 2011
Online since
July 2011
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