Paper Title:
Superplastic Behavior in Magnesium Alloy with Dispersion of Quasicrystal Phase Particle
  Abstract

Superplastic behavior was investigated using an extruded Mg-Zn-Y alloy with the dispersion of the quasicrystal phase particle in fine-grained matrix. Tensile tests showed that the low temperature superplasticity was behaved at a temperature of 473 K and maximum elongation was 462 % at 573 K in 1  10-5 s-1. The deformed microstructure observation showed that the dominant deformation process was grain boundary sliding. The present alloy also demonstrated a high possibility for secondary forming, such as superplastic forge forming. Furthermore, the forged alloy had a homogeneous microstructures, no mechanical anisotropy and uniform micro-hardness properties in any portion of a forged product.

  Info
Periodical
Edited by
Daniel G. Sanders
Pages
291-295
DOI
10.4028/www.scientific.net/KEM.433.291
Citation
H. Somekawa, A. Singh, T. Mukai, "Superplastic Behavior in Magnesium Alloy with Dispersion of Quasicrystal Phase Particle", Key Engineering Materials, Vol. 433, pp. 291-295, 2010
Online since
March 2010
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