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Industrialisation Study of Nanocomposite nc‐TiC/a‐C Coatings for Electrical Contact Applications
Author(s) -
Lewin Erik,
Olsson Erik,
André Benny,
Joelsson Torbjörn,
Öberg Åke,
Wiklund Urban,
Ljungcrantz Henrik,
Jansson Ulf
Publication year - 2009
Publication title -
plasma processes and polymers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.644
H-Index - 74
eISSN - 1612-8869
pISSN - 1612-8850
DOI - 10.1002/ppap.200932303
Subject(s) - materials science , tribology , nanoindentation , nanocomposite , microstructure , x ray photoelectron spectroscopy , metallurgy , composite material , sputter deposition , sputtering , nanotechnology , thin film , chemical engineering , engineering
Nanocomposite nc‐TiC/a‐C coatings were prepared by non‐reactive magnetron sputtering in industrial scale equipment, under varying deposition conditions in order to investigate up‐scaling and possible industrialisation. The coatings were found to have similar microstructure and performance compared to previous laboratory scale experiments. The samples were characterised with XRD, XPS and SEM as well with ball‐on‐disc, nanoindentation and electrical measurements. Coatings containing a small fraction of a‐C matrix phase were found to have promising both electrical properties ( ρ < 400 µΩcm and contact resistances down to 0.34 mΩ at 40 N) and tribological properties ( f < 0.3 for 10 000 laps).