Abstract
Assessments of diffusion mobility parameters are performed for the bcc Cr-V-Fe alloy system by taking available literature data into account. The main focus is on the diffusion of V in the bcc phase where, in addition to all binaries, ternary interaction parameters are assessed. An experiment is performed in order to study the coarsening of V-rich MC carbide, where the diffusion of V is believed to be of major importance. The measured coarsening rate is compared with the rate calculated using DICTRA, and found to be in satisfactory agreement. The aspects of coarsening experiments as a method to evaluate diffusion mobility data are discussed.
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Acknowledgments
This work was financed by Böhler Edelstahl, Uddeholm Tooling AB and Böhler-Uddeholm AG. Thanks are dedicated to the research committee; Devrim Caliskanoglu, Ingo Siller and Odd Sandberg, for their interest and support. For the experimental help we wish to thank the colleagues at Swerea KIMAB.
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Lindwall, G., Frisk, K. Assessment and Evaluation of Mobilities for Diffusion in the bcc Cr-V-Fe System. J. Phase Equilib. Diffus. 30, 323–333 (2009). https://doi.org/10.1007/s11669-009-9531-0
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DOI: https://doi.org/10.1007/s11669-009-9531-0