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Morphology of WC gr...
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Christensen, Mikael,1973
(author)
Morphology of WC grains in WC-Co alloys: Theoretical determination of grain shape
- Article/chapterEnglish2007
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LIBRIS-ID:oai:research.chalmers.se:0ea945ac-bcbe-4fd8-b614-455e6c97cf9e
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https://research.chalmers.se/publication/63589URI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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A theoretical approach to predict grain morphology from interface energies computed using density-functional theory is presented and applied to the WC–Co system. The dependences of the WC grain shape on the geometrical misfit at the Co/WC metal–ceramic interface, and on the carbon chemical potential are investigated. The WC grains are predicted to be hexagonal when the interfaces are assumed to be coherent, and change to a truncated triangular shape where the long prism side lengths are five times longer than the short side lengths, when the interfaces are assumed to be incoherent.
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Wahnström, Göran,1955Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)tfsgw
(author)
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Lay, S.
(author)
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Allibert, C.H.
(author)
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Chalmers tekniska högskola
(creator_code:org_t)
Related titles
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In:Acta Mater.55, s. 1515-
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