Skip to main content Accessibility help
×
Home

Structure Analysis of a Long Period Stacking Ordered Phase in Mg-Al-Gd Alloys

  • Hideyuki Yokobayashi (a1), Kyosuke Kishida (a1), Haruyuki Inui (a1), Michiaki Yamasaki (a2) and Yoshihito Kawamura (a2)...

Abstract

Crystal structure of a long period stacking ordered (LPSO) phase newly found in Mg-Al-Gd ternary alloys was investigated by scanning transmission electron microscopy (STEM) and transmission electron microscopy (TEM). The Mg-Al-Gd LPSO phase was confirmed to be constructed with 6-layer structural blocks, which is similar to the case of the 18R-type LPSO phases in the other Mg-TM-RE alloys. Atomic resolution high-angle annular dark-field (HAADF) STEM imaging revealed that Gd atoms are enriched in four layers instead of two layers and are ordered in a long range within the 6-layer structural block.

Copyright

References

Hide All
1. Kawamura, Y., Hayashi, K., Inoue, A. and Masumoto, T., Mater. Trans., 42, 1172 (2001).
2. Inoue, A., Kawamura, Y., Matsushita, M., Hayashi, K. and Koike, J., J. Mater. Res., 16, 1894 (2001).
3. Kawamura, Y., Kasahara, T., Izumi, S. and Yamasaki, M., Scripta Mater., 55, 453 (2006).
4. Kawamura, Y. and Yamasaki, M., Mater. Trans., 48, 2986 (2007).
5. Abe, E., Kawamura, Y., Hayashi, K. and Inoue, A., Acta Mater., 50, 3845 (2002).
6. Ping, D.H., Hono, K., Kawamura, Y. and Inoue, A., Philos. Mag. Lett., 82, 543 (2002).
7. Itoi, T., Seimiya, T., Kawamura, Y. and Hirohashi, M., Scripta Mater., 51, 107 (2004).
8. Matsuda, M., Ii, S., Kawamura, Y., Ikuhara, Y. and Nishida, M., Mater. Sci. Eng., A393, 269 (2005).
9. Yamasaki, M., Saaki, M., Nishijima, M. and Hiraga, K., Acta Mater., 55, 6798 (2007).
10. Zhu, Y.M., Morton, A.J. and Nie, J.F., Acta Mater., 58, 2936 (2010).
11. Pennycook, S. J., Lupini, A. R., Varela, M., Borisevich, A. Y., Peng, Y., Oxley, M. P. and Chisholm, M. F., in Scanning Microscopy for Nanotechnology:Techniques and Applications, ed. by Zhou, W. and Wang, Z. L., Springer (2006), pp. 152191.
12. Kishida, K. and Browning, N.D., Physica C, 351, 281 (2001).

Keywords

Metrics

Full text views

Total number of HTML views: 0
Total number of PDF views: 0 *
Loading metrics...

Abstract views

Total abstract views: 0 *
Loading metrics...

* Views captured on Cambridge Core between <date>. This data will be updated every 24 hours.

Usage data cannot currently be displayed