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http://dx.doi.org/10.9725/kts.2019.35.6.362

Effects of Process Temperature on the Tribological Properties of Tetrahedral Amorphous Carbon (ta-C) Coating  

Kang, Yong-Jin (Extreme Environmental Coating Department, Korea Institute of Materials Science (KIMS))
Kim, Do Hyun (Extreme Environmental Coating Department, Korea Institute of Materials Science (KIMS))
Ryu, Hojun (Extreme Environmental Coating Department, Korea Institute of Materials Science (KIMS))
Kim, Jongkuk (Extreme Environmental Coating Department, Korea Institute of Materials Science (KIMS))
Jang, Young-Jun (Extreme Environmental Coating Department, Korea Institute of Materials Science (KIMS))
Publication Information
Tribology and Lubricants / v.35, no.6, 2019 , pp. 362-368 More about this Journal
Abstract
In this study, mechanical and tribological properties were investigated by varying the process temperature (50, 100, 125 and 150℃) to reduce internal stress. The internal stress reduction by thermal dissociation ta-C coating film with increasing temperature is confirmed through the curvature radius of the ta-C coating according to the temperature of the SUS plate. As the coating temperature increased, the mechanical properties (hardness, modulus, toughness) deteriorated, which is in agreement with the Raman analysis results. As the temperature increased, the sp2 phase ratio increased owing to the dissociation of the sp3 phase. The friction and wear properties are related to the process temperature during ta-C coating. Low friction and wear properties are observed in high hardness samples manufactured at 50℃, and wear resistance properties decreased with increasing temperature. The contact area is expected to increase owing to the decrease of hardness(72 GPa to 39 GPa) and fracture toughness with increasing temperature which accelerated wear because of the debris generated. It was confirmed that at process temperature of over than 100℃, the bond structure of the carbon film changed, and the effect of excellent internal stress was reduced. However, the wear resistance simultaneously decreased owing to the reduction in fracture toughness. Therefore, in order to increase industrial utilization, optimum temperature conditions that reduce internal stress and retain mechanical properties.
Keywords
filtered cathode vacuum arc; tetrahedral amorphous carbon; process temperature; Hardness; friction; wear;
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Times Cited By KSCI : 2  (Citation Analysis)
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1 Y. J. Jang, Y. J. Kang, Kazutaka Kitazume, Noritsugu Umehara, J. k. Kim, "Mechanical and electrical properties of micron-thick nitrogen-doped tetrahedralamorphous carbon coatings", Diamond Relat. Mater,Vol.69, pp.121-126, 2016.   DOI
2 T.-Y. Kim, K.-R. Lee, "Reduction of the residual compressive stress of tetrahedral amorphous carbon film by Ar background gas during the filtered vacuum arc process", J. Appl. Phys, Vol.101, pp.023504,2007.   DOI
3 M. C. Polo, "Preparation of tetrahedral amorphous carbon films by filtered cathodic vacuum arc deposition", Diamond Relat. Mater., Vol.9, pp.663-667, 2000.   DOI
4 Jang, Y. J., Kang, Y. J., Kim, G. T, and Kim, J. K., "Tribology coating study of thick DLC (ta-C) Film",J. Korean Soc. Tribol. Lubr. Eng., Vol.32, No.4, pp.125-131, 2016, https://doi.org/10.9725/kts.2016.32.4.125
5 A.C.Ferrari, J. Robertson, "Elastic constants of Diamond like carbon films by surface brillouin scattering", MRS Online Proceeding Library Archive, Vol. 593, pp.311-316, 2000.
6 S. A. Brenner and S. Senderoff, "Calculation of stress in electrodeposit from the curvature of a plated strip", J. Res. Natl. Bur, Vol.42. pp.105-123. 1949.   DOI
7 J.-K. Shin, K.-R. Lee, K. Y. Eun, "Effect of residual stress on the Raman-spectrum analysis of tetrahedral amorphous carbon films", Appl. Phys. Lett., Vol.78, No.5, pp.631-633, 2001.   DOI
8 J. M. Lackner, L. Major, "Macroscale interpretation of tribological phenomena in Ti/TiN soft-hard multilayer coatings on soft austenite steel substrates", Bull. Pol. Ac.: Tech., Vol.59, No.3, pp.343-355. 2011.
9 A. C. Ferrari, J. Robertson, "Raman spectroscopy of amorphous, nanostructured, diamond-like carbon, and nanodiamond", R. Soc. Lond., Vol.362, pp.2477-2512, 2004.
10 S. Kataria, A. K. Tyagi, "Evolution of coefficient of friction with deposition temperature in diamond like carbon thin films", J. Appl. Phys., Vol.112, pp. 023525,2012.   DOI
11 Y. Lifshitz, "Diamond-like carbon-present status", Diamond. Relat. Mater., Vol.8, pp.1659-1676. 1999.   DOI
12 C. M. Mate, "Nanotribology studies of carbon surfaces by force microscopy", Wear, Vol.168, pp.17-20, 1993.   DOI
13 Lee, J. H. and Park, T. J., "Indentation and Sliding Contact Analysis between a Rigid Ball and DLC-Coated Steel Surface; Influence of Supporting Layer Thickness", J. Korean Soc. Tribol. Lubr. Eng., Vol.30, No.4, pp.199-204, 2014, https://doi.org/10.9725/kts.2014.30.4.199
14 Aisenberg, S. and Chabot R, "Ion-Beam Deposition of Thin Films of Diamondlike Carbon", J. Appl. Phys., Vol.42, pp.2953-2958, 1971.   DOI
15 J. Vetter, "60 years of DLC coatings : Historical highlights and technical review of cathodic arc processes to synthesize various DLC types, and their evolution for industrial applications", Surf. Coat. Technol., Vol.257, pp.213-240, 2014.   DOI
16 J. Robertson, "Diamond-like amorphous carbon", Mater. Sci. Eng., Vol.37, pp.129-181. 2002.   DOI
17 zhang, B, Lee, K.H.,Lee, C.H, and Choi, J.M., "Friction and Wear Characteristics of Magneto-rhelogical Fluid Depend on Surface Coated by DLC and PTFE", J. Korean Soc. Tribol. Lubr. Eng., Vol. 31, No.2, pp.62-68, 2015, https://doi.org/10.9725/kts.2015.31.2.62
18 W.-Y. Lee, J-H Choi, "Application of ta-C Coating on WC Mold to Molded Glass Lens", J. Korean Soc. Tribol. Lubr. Eng., Vol.35, No.2, pp.106-113, 2019, https://doi.org/10.9725/kts.2019.35.2.106