Effects of Composition on Solidification Microstructure of Cast Titanium Alloys

Abstract:

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The high cost of processing of Ti alloys is an important limitation to their utilization in a number of applications. An approach to overcome such difficulties would be their processing by precision casting. The purpose of this work is to evaluate the centrifugal casting process of Ti-Cu and Ti-Nb alloys, analysing the influence of alloying element type and content in the obtained microstructure. Samples with different compositions were prepared in arc furnace with non-consumable tungsten electrode and water-cooled copper hearth under high purity argon atmosphere and cast in a copper mould. Microstructures were analysed by SEM, characterized by EDS and X-ray diffraction. Vickers hardness measurements helped the analysis of phases.

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Periodical:

Edited by:

A. Roósz, V. Mertinger, P. Barkóczy and Cs. Hoó

Pages:

183-188

DOI:

10.4028/www.scientific.net/MSF.649.183

Citation:

P.N. Andrade et al., "Effects of Composition on Solidification Microstructure of Cast Titanium Alloys", Materials Science Forum, Vol. 649, pp. 183-188, 2010

Online since:

May 2010

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Price:

$35.00

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