Construction of a dense structure for GLC coatings by tailoring the nitrogen content to improve the aqueous-adaptability

Mingming Yan, Xudong Sui, Xinyu Wang, Shuaituo Zhang, Yan Lu, Junying Hao, Weimin Liu

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

To improve the adaptability of GLC coatings in aqueous environment, a dense structure for GLC coatings was designed and constructed by nitrogen doping via PVD technique. The nitrogen content was tailored via tuning the nitrogen flow rate to optimize the tribological performances of the N-doped GLC coatings in water as well as to investigate the effects of different nitrogen contents. And the optimal nitrogen flow rate was 5 sccm. The results implied the nitrogen doping favored the increase of adhesion strength. The dense structure built by nitrogen doping entitled the N-GLC coatings to improved wear resistance in water and enhanced aqueous-adaptability, because the corrosion by water can be effectively inhibited compared with the column-structured nitrogen-free GLC coatings via PVD.

Original languageEnglish
Article number127131
JournalSurface and Coatings Technology
Volume418
DOIs
StatePublished - 25 Jul 2021
Externally publishedYes

Keywords

  • Aqueous lubrication
  • Microstructure
  • N-GLC
  • Tribological properties

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