Drawing Die Preparation of Composite Diamond Coating Based on Nb Interlayer

Hong Xiang Wang; Z.H. Yin

doi:10.4028/www.scientific.net/KEM.693.560

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 693Drawing Die Preparation of Composite Diamond...

Drawing Die Preparation of Composite Diamond Coating Based on Nb Interlayer

Abstract:

In this paper, the drawing die of cemented carbide WC-Co (Wolfram Carbide-Cobalt) was taken as the substrate which was preprocessed by Murakami solution and aqua regia. DCS (Direct Current Magnetron Sputtering) was adopted to sputter the Nb interlayer in the bore of the drawing die. By using EACVD (Electron Assisted Chemical Vapor Deposition), micro-nanocomposite coating was deposited. Then, specimens were characterized through methods like SEM (scanning electron microscope) and Raman etc. Results indicated that the drawing die showed very smooth coating surface and a compact, uniform structure; the grain size < 50 nm and surface roughness < 10 nm. It can be inferred from the indentation experiment that there was satisfactory adhesion force between coating and the substrate. So, the drawing die can satisfy the working requirement of drawing wires.

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Periodical:

Key Engineering Materials (Volume 693)

Pages:

560-565

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.693.560

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Online since:

May 2016

Authors:

Hong Xiang Wang*, Z.H. Yin

Keywords:

Diamond Film, Drawing Die, EACVD, Nb Interlayer

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