Physics – Condensed Matter – Materials Science
Scientific paper
2007-04-05
Synopses of the International Tribology Conference (ITC) Kobe, 2005 (29/05/2005) A-39
Physics
Condensed Matter
Materials Science
Conference was held in Kobe, JAPAN 29th of May to 2nd of June 2005
Scientific paper
Diamond-Like Carbon (DLC) films have been shown to demonstrate various tribological behaviors: in ultra-high vacuum (UHV), with either friction coefficients as low as 0.01 or less and very mild wear, or very high friction coefficients (>0.4) and drastic wear. These behaviors depend notably on gaseous environment, hydrogen content of the film [1], and on its viscoplastic properties [2,3]. A relation between superlow friction in UHV and viscoplasticity has indeed been established for a-C:H films and confirmed for a fluorinated sample (a-C:F:H). In this study, nanoindentation and nanoscratch tests were conducted in ambient air, using a nanoindentation apparatus, in order to evaluate tribological behaviors, as well as mechanical and viscoplastic properties of different amorphous carbon films.
Fontaine Julien
Loubet Jean-Luc
Mazuyer Denis
Turq Viviane
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