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Kinetics of formation of graded layers on cemented carbides: Experimental investigations and DICTRA simulations
Helmholtz-Zentrum Berlin für Materialien und Energie GmbH.
RISE, Swerea, Swerea KIMAB.
Max Planck Institute für Eisenforschung GmbH.
RISE, Swerea, Swerea KIMAB.
2011 (English)In: International Journal of Refractory Metals and Hard Materials, ISSN 2634368, Vol. 29, no 2, 256-259 p.Article in journal (Refereed)
Abstract [en]

Kinetics of formation of fcc-free layers on Co-W-Ti-Ta-Nb-C-N cemented carbides was investigated by experimental methods and DICTRA simulations. The layer formation obeys a parabolic law, indicating a diffusion-controlled process. For DICTRA simulations, the influence of the mobilities for all diffusing elements in the liquid binder phase at the sintering temperature was investigated. The best agreement between experimental and simulations was obtained considering that the mobility of all metallic elements is two times slower compared with the mobility of the non-metallic elements. © 2010 Elsevier Ltd. All rights reserved.

Place, publisher, year, edition, pages
2011. Vol. 29, no 2, 256-259 p.
Keyword [en]
Cemented carbide, DICTRA modeling, Diffusion, Graded layer, Kinetics
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-12861DOI: 10.1016/j.ijrmhm.2010.11.003Scopus ID: 2-s2.0-79251594863OAI: oai:DiVA.org:ri-12861DiVA: diva2:973054
Available from: 2016-09-22 Created: 2016-09-22Bibliographically approved

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