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A computational study of thin cubic carbide films in WC/Co interfaces
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- Johansson, Sven, 1981 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Wahnström, Göran, 1955 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
- (creator_code:org_t)
- Elsevier BV, 2011
- 2011
- English.
- In: Acta Materialia. - : Elsevier BV. - 1359-6454. ; 59:1, s. 171-181
- Journal article (peer-reviewed)
Abstract
Subject headings
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- We examine the propensity for the formation of thin films of cubic TiC, VC, CrC, ZrC, NbC, MoC, HfC, TaC and WC in the metal ceramic interface between simple hexagonal WC and Co using density functional theory Films of TiC, VC, CrC and MoC are predicted to be stable, of which VC and MoC show the strongest propensity for formation The results provide an explanation for the experimen tally observed WC grain growth inhibition effect and alteration of WC grain shape attained in VC-doped WC Co.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
Keyword
- augmented-wave method
- Cermets
- cermets
- grain shape
- 1st-principles
- segregation
- cr3c2
- microscopy
- Density functional
- Interfaces
- wc-co alloys
- vanadium
- Grain growth
- vc
Publication and Content Type
- art (subject category)
- ref (subject category)
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