Study of the methane flow influence in the micro-tribology behavior of DLC coatings deposited by PECVD: a Raman analysis

作者: César Daniel Rivera-Tello , Francisco Javier Flores-Ruiz , M Flores , O Jimenez , I Farías

DOI: 10.1007/S42823-020-00148-8

关键词: Chemical vapor depositionRaman spectroscopyComposite materialMethaneTribologyPlasma-enhanced chemical vapor depositionMaterials scienceSwellingCoatingDeposition (phase transition)

摘要: This paper presents a Raman spectroscopy study of the influence methane flow on micro-tribological behavior diamond-like carbon coatings deposited with an industrial plasma-enhanced chemical vapor deposition system. Results have shown direct relationship between and thickness coatings. The analysis spectra parameters allowed establishing H content flow, disorder level estimation sp3 fraction micro-tribology tests showed strong dependence wear resistance hardness parameters. coating at 72-sccm presented 1.7 µm 0.33. gave rise to 24 GPa excellent 3.3 × 10–6 mm3 N−1 mm−1 for this DLC coating. Wear swelling in profiles coating, which was associated occurrence re-hybridization process.

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