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Multicomponent alloys visualized as lower order alloys: Examples of quasicrystals and metallic glasses

Biswas, T and Ranganathan, S (2006) Multicomponent alloys visualized as lower order alloys: Examples of quasicrystals and metallic glasses. In: Annales de chimie, 31 (6). pp. 649-656.

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Abstract

Alloying is a powerful method by which metallurgical advances have been made. The possibility of multicomponent alloys opens up numerous possibilities. Three important themes solid solutions, quasicrystals and bulk metallic glasses - have emerged in recent years. However, an approach based on Structure Mapping pioneered by David Pettifor indicates that many higher order alloys can be visualized as pseudo-lower order alloys. Solid solutions can be seen to be pseudounary. Crystalline intermetallics are seen to be at the highest level pseudo-quaternary. It is also demonstrated that most quasicrystals and their rational approximants are pseudo-binary and that most metallic glasses are pseudo-ternary.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Lavoisier.
Keywords: Metallic glasses;Amorphous alloy;Quasicrystal;Ordered alloy;
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 07 Aug 2007
Last Modified: 20 Jan 2012 08:59
URI: http://eprints.iisc.ernet.in/id/eprint/11393

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