Divakar, R and Sundararaman, D and Ranganathan, S (1998) Interfaces In Quasicrystalline Systems. In: MRS Proceedings, 553 . p. 209.
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Structural relations between quasicrystalline and related crystalline rational approximant phases have been of interest for some time now. Such relations are now being used to understand interface structures. Interfaces between structural motif - wise related, but dissimilarly periodic phases are expected to show a degree of lattice match in certain directions. Our earlier studies in the Al-Cu-Fe system using the HREM technique has shown this to be true. The structural difference leads to well defined structural ledges in the interface between the icosahedral Al-Cu-Fe phase and the monoclinic Al13Fe4 type phase. In the present paper we report our results on the HREM study of interfaces in Al-Cu-Fe and Al-Pd-Mn systems. The emphasis will be on heterophase interfaces between quasiperiodic and periodic phases, where the two are structurally related. An attempt will be made to correlate the results with calculated lattice projections of the two structures on the grain boundary plane.
| Item Type: | Journal Article |
|---|---|
| Publication: | MRS Proceedings |
| Publisher: | Cambridge University Press |
| Additional Information: | Copyright of this article belongs to Cambridge University Press. |
| Department/Centre: | Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy) |
| Date Deposited: | 19 Aug 2011 10:08 |
| Last Modified: | 19 Aug 2011 10:08 |
| URI: | http://eprints.iisc.ac.in/id/eprint/39981 |
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