Superplastic Behavior in Magnesium Alloy with Dispersion of Quasicrystal Phase Particle

Abstract:

Article Preview

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 et al., "Superplastic Behavior in Magnesium Alloy with Dispersion of Quasicrystal Phase Particle", Key Engineering Materials, Vol. 433, pp. 291-295, 2010

Online since:

March 2010

Export:

Price:

$35.00

[1] A. P. Tsai, Y. Murakami and A. Niikura; Philo. Mag. 80 (2000), p.1043.

[2] A. Singh, A. P. Tsai, M. Nakamura, M. Watanabe and A. Kato; Philo. Mag. Lett. 83 (2003), p.543.

[3] Z. Luo, S. Zhang, Y. Tang and D. Zhao; Scripta Mater. 28 (1993), p.1513.

[4] A. P. Tsai, A. Niikura, A. Inoue, T. Masumoto, Y. Nishida, K. Tsuda and M. Tanaka; Philo. Mag. Lett. 70 (1994), p.169.

[5] H. Somekawa, A. Singh, Y. Osawa and T. Mukai; Mater. Trans. 49 (2008), p. (1947).

[6] D. H. Bae, S. H. Kim, D. H. Kim and W. T. Kim, Acta Mater. 50 (2002), p.2343.

[7] A. Singh, M. Nakamura, M. Watanabe, A. Kato and A. P. Tsai; Scripta Mater. 49 (2003), p.417.

[8] A. Singh, H. Somekawa and T. Mukai; Scripta Mater. 56 (2007), p.935.

[9] H. Somekawa, A. Singh and T. Mukai; Scripta Mater. 56 (2007), p.1091.

[10] Y. Kim and D. H. Bae; Mater. Trans. 45 (2004), p.3298.

[11] O. D. Sherby and J. Wadsworth; Prog. Mater. Sci. 33 (1989), p.169.

[12] H. Watanabe, H. Hosokawa, T. Mukai and T. Aizawa; Materia Japan, 39 (2000), p.347.

[13] H. Somekawa, H. S. Kim, A. Singh and T. Mukai; J. Mater. Res. 22 (2007) p.2598. Corresponding Author: (H. Somekawa) E-mail: SOMEKAWA. Hidetoshi@nims. go. jp Fax: +81-29-859-2401.

DOI: 10.1557/jmr.2007.0334

In order to see related information, you need to Login.