Paper Title:

Interdiffusion Studies in the Co- Mo System

Periodical Defect and Diffusion Forum (Volumes 297 - 301)
Main Theme Diffusion in Solids and Liquids V
Edited by Andreas Öchsner, Graeme E. Murch, Ali Shokuhfar and João M.P.Q. Delgado
Pages 462-466
DOI 10.4028/www.scientific.net/DDF.297-301.462
Citation V.D. Divya et al., 2010, Defect and Diffusion Forum, 297-301, 462
Online since April 2010
Authors V.D. Divya, U. Ramamurty, Aloke Paul
Keywords Co-Mo System, Diffusion, Phase Diagram
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Study of interdiffusion in the Co-Mo system is important to understand the performance of turbine blades in jet engine applications. Mo is added to superalloys to increase the solid solution strengthening and the creep resistance. In this study, the interdiffusion coefficient in the Co(Mo) solid solution and impurity diffusion coefficient of Mo in Co are determined. Further, the activation energy and pre-exponential factors are calculated, which provide an idea about the atomic mechanism of diffusion.

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