High quality diamond films on WC-Co surfaces

Diamond coatings chemically vapor deposited onto WC-Co cemented carbides by use of specially developed barrier underlayers are described. Preliminary seeding the barrier underlayers with nano-grain diamond particles by laser ablation allows obtaining fine-grained and uniform diamond coatings. The di...

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Bibliographic Details
Published in:Diamond and related materials 1997, Vol.6 (1), p.89-94
Main Authors: Guseva, M.B., Babaev, V.G., Khvostov, V.V., Lopez Ludena, G.M., Bregadze, A.Yu, Konyashin, I.Y., Alexenko, A.E.
Format: Article
Language:English
Subjects:
Chemical vapor deposition
High quality diamond films
WC-Co surfaces
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Summary:Diamond coatings chemically vapor deposited onto WC-Co cemented carbides by use of specially developed barrier underlayers are described. Preliminary seeding the barrier underlayers with nano-grain diamond particles by laser ablation allows obtaining fine-grained and uniform diamond coatings. The diamond coatings obtained in this way have high adhesion to the cemented carbide substrate due to enhanced interaction between the underlayer, nano-grained diamond nuclei and gas phase employed in their plasma-assisted chemical vapor deposition.
ISSN:0925-9635
1879-0062
DOI:10.1016/S0925-9635(96)00729-7