This paper presents tribological behavior of titanium nitride and molybdenum sulfide thin film coatings on a workpiece. The titanium nitride films were coated by RF magnetron sputtering method and molybdenum sulfide films were coated by vacuum thermal evaporation. Titanium nitride is a hard ceramic materials, which has excellent mechanical properties. However, the friction coefficient of titanium nitride is rather high. To improve the tribological properties of the titanium nitride films, a thin layer of molybdenum sulfide was coated as a solid lubricant. The results showed a substantial decrease in the coefficient of friction of dual-layered MoS2 over TiN compared with the titanium nitride film or as-received aluminum substrate. The low coefficient of friction can directly be correlated to the MoS2 layer whereas the TiN film acts as a robust and durable base material. The coefficient of friction was measured using a pin on a disc tribometer with a steel pin as the counter face. Our results demonstrated that the coating of MoS2 over TiN has a low coefficient of friction. In addition, it was also found that wear resistance of MoS2 coated TiN was better than both MoS2 and TiN films.
| Published in | Colloid and Surface Science (Volume 2, Issue 4) |
| DOI | 10.11648/j.css.20170204.13 |
| Page(s) | 137-142 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2017. Published by Science Publishing Group |
Coefficient of Friction, Titanium Nitride, Molybdenum Sulfide, Tribology
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APA Style
Omer Ahmed, Sorin Cioc, Carmen Cioc, Ahalaptiya H. Jayatissa. (2017). Tribological Properties of Multilayer TiN and MoS2 Thin Films. Colloid and Surface Science, 2(4), 137-142. https://doi.org/10.11648/j.css.20170204.13
ACS Style
Omer Ahmed; Sorin Cioc; Carmen Cioc; Ahalaptiya H. Jayatissa. Tribological Properties of Multilayer TiN and MoS2 Thin Films. Colloid Surf. Sci. 2017, 2(4), 137-142. doi: 10.11648/j.css.20170204.13
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Download@article{10.11648/j.css.20170204.13,
author = {Omer Ahmed and Sorin Cioc and Carmen Cioc and Ahalaptiya H. Jayatissa},
title = {Tribological Properties of Multilayer TiN and MoS2 Thin Films},
journal = {Colloid and Surface Science},
volume = {2},
number = {4},
pages = {137-142},
doi = {10.11648/j.css.20170204.13},
url = {https://doi.org/10.11648/j.css.20170204.13},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.css.20170204.13},
abstract = {This paper presents tribological behavior of titanium nitride and molybdenum sulfide thin film coatings on a workpiece. The titanium nitride films were coated by RF magnetron sputtering method and molybdenum sulfide films were coated by vacuum thermal evaporation. Titanium nitride is a hard ceramic materials, which has excellent mechanical properties. However, the friction coefficient of titanium nitride is rather high. To improve the tribological properties of the titanium nitride films, a thin layer of molybdenum sulfide was coated as a solid lubricant. The results showed a substantial decrease in the coefficient of friction of dual-layered MoS2 over TiN compared with the titanium nitride film or as-received aluminum substrate. The low coefficient of friction can directly be correlated to the MoS2 layer whereas the TiN film acts as a robust and durable base material. The coefficient of friction was measured using a pin on a disc tribometer with a steel pin as the counter face. Our results demonstrated that the coating of MoS2 over TiN has a low coefficient of friction. In addition, it was also found that wear resistance of MoS2 coated TiN was better than both MoS2 and TiN films.},
year = {2017}
}
TY - JOUR T1 - Tribological Properties of Multilayer TiN and MoS2 Thin Films AU - Omer Ahmed AU - Sorin Cioc AU - Carmen Cioc AU - Ahalaptiya H. Jayatissa Y1 - 2017/10/13 PY - 2017 N1 - https://doi.org/10.11648/j.css.20170204.13 DO - 10.11648/j.css.20170204.13 T2 - Colloid and Surface Science JF - Colloid and Surface Science JO - Colloid and Surface Science SP - 137 EP - 142 PB - Science Publishing Group SN - 2578-9236 UR - https://doi.org/10.11648/j.css.20170204.13 AB - This paper presents tribological behavior of titanium nitride and molybdenum sulfide thin film coatings on a workpiece. The titanium nitride films were coated by RF magnetron sputtering method and molybdenum sulfide films were coated by vacuum thermal evaporation. Titanium nitride is a hard ceramic materials, which has excellent mechanical properties. However, the friction coefficient of titanium nitride is rather high. To improve the tribological properties of the titanium nitride films, a thin layer of molybdenum sulfide was coated as a solid lubricant. The results showed a substantial decrease in the coefficient of friction of dual-layered MoS2 over TiN compared with the titanium nitride film or as-received aluminum substrate. The low coefficient of friction can directly be correlated to the MoS2 layer whereas the TiN film acts as a robust and durable base material. The coefficient of friction was measured using a pin on a disc tribometer with a steel pin as the counter face. Our results demonstrated that the coating of MoS2 over TiN has a low coefficient of friction. In addition, it was also found that wear resistance of MoS2 coated TiN was better than both MoS2 and TiN films. VL - 2 IS - 4 ER -
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