Diffusion in Co-Ni System Studied by Multifoil Technique

Abstract:

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Diffusion couple experiments were performed in the Co-Ni binary system for determining inter-, impurity- and intrinsic-diffusion coefficients in the temperature range of 1050 - 1250°C. The activation energy and pre-exponential factor estimated for interdiffusion do not vary significantly with composition. The activation energy calculated for impurity diffusion experiments shows is higher than . Intrinsic diffusion coefficients estimated from the multifoil experiment show that Ni is the fastest diffusing species in this system.

Info:

Periodical:

Defect and Diffusion Forum (Volumes 312-315)

Edited by:

Andreas Öchsner, Graeme E. Murch and João M.P.Q. Delgado

Pages:

466-471

DOI:

10.4028/www.scientific.net/DDF.312-315.466

Citation:

V.D. Divya et al., "Diffusion in Co-Ni System Studied by Multifoil Technique", Defect and Diffusion Forum, Vols. 312-315, pp. 466-471, 2011

Online since:

April 2011

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Price:

$35.00

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