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Effect of Ti concentration on the growth of Nb3Sn between solid Nb(Ti) and liquid Sn

Santra, Sangeeta and Paul, Aloke (2013) Effect of Ti concentration on the growth of Nb3Sn between solid Nb(Ti) and liquid Sn. In: Journal of Electronic Materials, 42 (8). pp. 2716-2723.

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Official URL: http://dx.doi.org/10.1007/s11664-013-2629-5

Abstract

The change in the growth rate of the Nb3Sn product phase because of Ti addition is studied for solid Nb(Ti)-liquid Sn interactions. The growth rate increased from no Ti to 1 at.% and 2 at.% of Ti in Nb, and the activation energy decreased from 221 kJ/mol to 146 kJ/mol. Based on the estimated values, the role of grain boundary and lattice diffusion is discussed in light of the possibility of increased grain boundary area and point defects such as antisites and vacancies.

Item Type: Journal Article
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Additional Information: Copyright of this article belongs to Springer.
Keywords: Nb3Sn; Parabolic Growth; Activation Energy; Diffusion Mechanism
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 21 Sep 2013 13:02
Last Modified: 21 Sep 2013 13:02
URI: http://eprints.iisc.ernet.in/id/eprint/47251

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