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Nanostructured titanium-nickel alloys: a comparison of processing routes

Ranganathan, S and Murty, BS and Nagarajan, R and Chattopadhyay, K (1996) Nanostructured titanium-nickel alloys: a comparison of processing routes. In: Symposium on Processing and Properties of Nanocrystalline Materials, at the Materials Week 95, 29 Oct.-2 Nov. 1995, Cleveland, Ohio; USA.

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Rapid solidification, mechanical alloying and devitrificaiton of precursor metallic glasses are all possible routes for the synthesis of nanocrystals and nanocomposites, though their efficacy is system dependent. In a comprehensive study of alloys across the Ti-Ni phase diagram, nanocrystals of Ti and Ni and nanocomposites of alpha -Ti and Ti sub 2 Ni, Ti sub 2 Ni and TiNi and beta -Ti and glass have been produced. By the addition of Al, devitrification of metallic glasses created by mechanical alloying led to nanocrystalline intermetallic compounds. The evolution of these nanocrystalline microstructures has been rationalized on the basis of thermodynamic and kinetic considerations involving the metastable phase diagram for this system.

Item Type: Conference Paper
Publisher: The Minerals, Metals & Materials Society
Additional Information: Copyright of this article belongs to The Minerals, Metals & Materials Society.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 16 Mar 2012 07:14
Last Modified: 16 Mar 2012 07:14
URI: http://eprints.iisc.ac.in/id/eprint/43933

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