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Interdiffusion study in the Pd-Pt system

Baheti, Varun A and Ravi, Raju and Paul, Aloke (2013) Interdiffusion study in the Pd-Pt system. In: Journal of Materials Science: Materials in Electronics, 24 (8). pp. 2833-2838.

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Official URL: http://dx.doi.org/10.1007/s10854-013-1179-1


Interdiffusion, intrinsic, tracer and impurity diffusion coefficients are calculated in the Pd-Pt system. Interdiffusion coefficients are more or less insensitive to composition change. Activation energy varies in the range of 324-353 kJ/mol. Impurity diffusion coefficients calculated in this study and available tracer diffusion coefficients in pure elements indicate that Pd has higher diffusion rate compared to Pt in pure Pd, whereas, both the elements have similar diffusion rates in Pt. Kirkendall marker experiments indicate that Pd has much higher diffusion rate in Pd3.5at.%Pt compared to Pt.

Item Type: Journal Article
Publication: Journal of Materials Science: Materials in Electronics
Publisher: Springer
Additional Information: Copyright of this article belongs to Springer.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 19 Sep 2013 16:51
Last Modified: 19 Sep 2013 16:51
URI: http://eprints.iisc.ac.in/id/eprint/47206

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