Dilatometric Sintering of Ti-2Al and Ti-5Al Elemental Powder

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J Mater Sci Technol ›› 2007, Vol. 23 ›› Issue (03): 363-366.

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Dilatometric Sintering of Ti-2Al and Ti-5Al Elemental Powder

Bharat B.PANIGRAHI, N.Subba REDDY, Karabi DAS, M.M.GODKHINDI

Department of Metallurgical and Materials Engineering, Indian Institute of Technology, Kharagpur, 721302, India

Received:2006-07-25 Revised:2006-10-26 Online:2007-05-28 Published:2009-10-10
Contact: Bharat B.PANIGRAHI

Abstract

Abstract: The effect of Al addition (2 and 5 at. pct) on sintering kinetics of Ti power was investigated. Al reduces the sintering rates, sinter density, increases activation energy of sintering and accelerates the grain growth. Sintering was controlled by mixed mode, i.e. transient liquid phase sintering, formation of intermetallics, and Ti grain boundary diffusion in TiAl2 and other intermetallics.

Key words: Dilatometry, Sintering, Diffusion, Activation energy

Bharat B.PANIGRAHI, N.Subba REDDY, Karabi DAS, M.M.GODKHINDI. Dilatometric Sintering of Ti-2Al and Ti-5Al Elemental Powder[J]. J Mater Sci Technol, 2007, 23(03): 363-366.

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Dilatometric Sintering of Ti-2Al and Ti-5Al Elemental Powder

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