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Gradient zones in WC-Ti(C,N)-Co-based cemented carbides: Experimental study and computer simulations
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2000 (English)In: Acta Materialia, ISSN 1359-6454, E-ISSN 1873-2453, Vol. 48, no 9, 2177-2185 p.Article in journal (Refereed) Published
Abstract [en]

The formation of surface zones with a composition gradient during sintering of WC-Ti(C,N)-Co cemented carbides has been studied experimentally and by computer simulations. The microstructure has been investigated with SEM and EPMA. The simulations are based on a solution of the multicomponent diffusion equations, coupled with thermodynamic calculations using thermodynamic descriptions of the individual phases. The results from the simulations are in good agreement with the experimental results, indicating that diffusion and the thermodynamic properties are the two major factors that control the gradient structure formation.

Place, publisher, year, edition, pages
2000. Vol. 48, no 9, 2177-2185 p.
Keyword [en]
gradient sintering, microstructure, diffusion, thermodynamics, computer simulation
URN: urn:nbn:se:kth:diva-20020ISI: 000089192600014OAI: diva2:338713
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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