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Influence of Cobalt on the Adhesion Strength of Polycrystalline Diamond Coatings on WC–Co Hard Alloys

The influence of cobalt on the phase composition and adhesion strength of polycrystalline diamond coatings has been studied using scanning electron microscopy, Raman spectroscopy, and X-ray microanalysis. The coatings have been deposited on WC–Co hard alloy substrates in glow discharge plasma. It ha...

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Published in:Technical physics 2018-02, Vol.63 (2), p.206-210
Main Authors: Linnik, S. A., Gaidaichuk, A. V., Okhotnikov, V. V.
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Language:English
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cited_by cdi_FETCH-LOGICAL-c383t-aa910a9b63cafe22438b3c4afd4e804d6aa66d74d6495ce9e591abc0c4ff16a03
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container_title Technical physics
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creator Linnik, S. A.
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Okhotnikov, V. V.
description The influence of cobalt on the phase composition and adhesion strength of polycrystalline diamond coatings has been studied using scanning electron microscopy, Raman spectroscopy, and X-ray microanalysis. The coatings have been deposited on WC–Co hard alloy substrates in glow discharge plasma. It has been found that the catalytic amorphization of carbon only takes place during the direct synthesis of the diamond coating, when the cobalt vapor pressure over the substrate is high and the cobalt-related degradation of the synthesized diamond is absent.
doi_str_mv 10.1134/S1063784218020226
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A.</creatorcontrib><creatorcontrib>Gaidaichuk, A. V.</creatorcontrib><creatorcontrib>Okhotnikov, V. V.</creatorcontrib><title>Influence of Cobalt on the Adhesion Strength of Polycrystalline Diamond Coatings on WC–Co Hard Alloys</title><title>Technical physics</title><addtitle>Tech. Phys</addtitle><description>The influence of cobalt on the phase composition and adhesion strength of polycrystalline diamond coatings has been studied using scanning electron microscopy, Raman spectroscopy, and X-ray microanalysis. The coatings have been deposited on WC–Co hard alloy substrates in glow discharge plasma. 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ispartof Technical physics, 2018-02, Vol.63 (2), p.206-210
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language eng
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subjects ADHESION
Adhesive strength
ALLOYS
Amorphization
AMORPHOUS STATE
Catalysis
Chemical synthesis
Chemical vapor deposition
Classical and Continuum Physics
COATINGS
COBALT
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Diamond films
DIAMONDS
Electron microscopy
GLOW DISCHARGES
MICROANALYSIS
Phase composition
Physical Science of Materials
Physics
Physics and Astronomy
Plasma physics
Polycrystalline diamond
POLYCRYSTALS
RAMAN SPECTROSCOPY
SCANNING ELECTRON MICROSCOPY
Specialty metals industry
SUBSTRATES
SYNTHESIS
Tungsten carbide
TUNGSTEN CARBIDES
VAPOR PRESSURE
X RADIATION
X-RAY EMISSION ANALYSIS
title Influence of Cobalt on the Adhesion Strength of Polycrystalline Diamond Coatings on WC–Co Hard Alloys
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