Hostname: page-component-cd9895bd7-lnqnp Total loading time: 0 Render date: 2024-12-30T20:30:45.364Z Has data issue: false hasContentIssue false
  • English
  • Français

A study of the icosahedral phase: Mg32 (Al, Zn)49

Published online by Cambridge University Press:  31 January 2011

G.V.S. Sastry  and
P. Ramachandrarao
G.V.S. Sastry
Affiliation:
Center of Advanced Study in Metallurgy, Department of Metallurgical Engineering, Institute of Technology, Banaras Hindu University, Varanasi-221005, India
P. Ramachandrarao
Affiliation:
School of Materials Science and Technology, Institute of Technology, Banaras Hindu University, Varanasi-221005, India
Get access

Abstract

Homogeneous single phase Mg32Al19Zn30 was melt spun to form flakes suitable for TEM examination. The nodular structure gave diffraction patterns with 5.3.2 icosahedral point group symmetry. The formation of the icosahedral phase is rationalized in terms of the Mg(AlZn)49 equilibrium structure. This structure is a Frank-Kasper phase. It has previously been established how such icosahedral order can be anticipated in the Frank-Kasper phases.

Type
Articles
Information
Journal of Materials Research , Volume 1 , Issue 2 , April 1986 , pp. 247 - 250
Copyright
Copyright © Materials Research Society 1986

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

1Shechtman, D., Blech, I., Gratias, D., and Cahn, J. W., Phys. Rev Lett. 53, 1951 (1984).CrossRefGoogle Scholar
2Mackay, A. L. and Kramer, P., Nature 316, 17 (1985).Google Scholar
3Ramachandrarao, P. and Sastry, G. V. S., Pramana 25, L225 (1985).CrossRefGoogle Scholar
4Chattopadhyay, K., Lele, S., Prasad, R., Ranganathan, S., Subbanna, G. N., and Thangaraj, N., Scr. Metall. 19, 1331 (1985).Google Scholar
5Chattopadhyay, K., Ranganathan, S., Subbanna, G., and Thangaraj, N., Scr. Metall. 19, 767 (1985).Google Scholar
6Field, R. D. and Fraser, H. L., Mat. Sci. Eng. 68, 17 (1984-1985).Google Scholar
7Elser, V., Phys. Rev. B 32, 4892 (1985).CrossRefGoogle Scholar
8Pearson, W. B., The Crystal Chemistry and Physics of Metals and Alloys (Wiley, New York, 1972), 1st ed., pp. 31, 694–699.Google Scholar
9Nelson, D. R., Phys. Rev. B 28, 5515 (1983).CrossRefGoogle Scholar
10Nelson, D. R. and Sachdev, S., Phys. Rev. B 32, 689 (1985).Google Scholar
11Mosseri, R. and Sadoc, J. F., J. Phys. Lett. (Paris) 45, 827 (1984).CrossRefGoogle Scholar