Abstract
Diamond-like carbon (DLC) films are deposited on AISI 304 stainless steel substrates using hollow cathode chemical vapor deposition (CVD). The substrate bias voltage is varied from 0 to -200 V to investigate its effect on the structural and mechanical properties of the films. Raman spectra show the formation of the G (graphite) peak and D (disorder) peak in the films. X-ray photoelectron spectroscopy (XPS) data also confirm the existence of C=C (sp2) and C-C (sp3) bonds. Our experiments show that the sample bias has a critical influence on the thickness and hardness of the deposited films. The largest thickness (1700 nm) and the highest hardness (HV1099) are achieved at a bias voltage of -50 V. All the films show low friction coefficients and the sample treated at -200 V exhibits the lowest friction coefficient. The enhancement mechanism is also described.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 35th IEEE International Conference on Plasma Science (ICOPS 2008) |
| Pages | 179 |
| DOIs | |
| Publication status | Published - 15 Jun 2008 |
| Event | 35th IEEE International Conference on Plasma Science (ICOPS 2008) - Karlsruhe, Germany Duration: 15 Jun 2008 → 19 Jun 2008 |
Conference
| Conference | 35th IEEE International Conference on Plasma Science (ICOPS 2008) |
|---|---|
| Place | Germany |
| City | Karlsruhe |
| Period | 15/06/08 → 19/06/08 |
Research Keywords
- Diamond-like carbon
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