Paper Titles
Improvement of Adhesion of Cubic Boron Nitride Films: Effect of Interlayer and Deposition Parameters
p.3635
Evolution of Stress-Induced Surface Damage and Stress-Relaxation of Electroplated Cu Films at Elevated Temperatures
p.3641
Microscopic Investigation of Strain Localization and Fatigue Damage in Thin Cu Films
p.3647
Phase Separation into Nano-Crystalline Nitrides in Ternary Ti-Si-N System via N Implantation
p.3651
TiC/a-C Nanocomposite Coatings for Low Friction and Wear Resistance
p.3655
The Evaluation of Adhesion Energy in Thin Compressively Stressed Film by Using Delamination Buckle and Freehang Buckle
p.3661
Computer Simulations on Mechanical Properties of Molecular Deposition Film
p.3665
Stress Induced Anisotropic Diffusion during Plasma-Assisted Nitriding of a Ni-Based Alloy
p.3669
Numerical Simulation and Experimental Evidence for Surface Modification by High Current Pulsed Electron Beam
p.3673

TiC/a-C Nanocomposite Coatings for Low Friction and Wear Resistance

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Abstract:

TiC/a-C:H nanocomposite coatings have been deposited by magnetron sputtering and are composed of 2-5nm TiC nanocrystallites well separated by amorphous hydrocarbon (a-C:H) of about 2nm separation width. A transition from columnar to glassy microstructure has been observed with increasing substrate bias or carbon content. Micro-cracks induced by nanoindentation or wear tests readily propagate through the column boundaries whereas the coatings without a columnar microstructure show supertough behavior. The nanocomposite coatings exhibit hardness of 5~20 GPa, superior wear resistance and strong self-lubrication effects with a friction coefficient of 0.05 in air and 0.01 in nitrogen under dry sliding against uncoated bearing steel balls. Especially, the transitions from low to ultralow friction or the reverse are repeatedly switchable if the atmosphere is cycled between ambient air and nitrogen. The lowest wear rate is obtained at high humidity.

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Periodical:

Materials Science Forum (Volumes 475-479)

Pages:

3655-3660

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.475-479.3655

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Online since:

January 2005

Authors:

Yu Tao Pei, Damiano Galvan, Jeff T.M. de Hosson

Keywords:

Amorphous Hydrocarbon, Coating, Low Friction, Nanocomposite, TiC, Wear

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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References

[1] W.J. Meng and B.A. Gillispie, J. Appl Phys., Vol. 84 (1998), p.4314.

Google Scholar

[2] A.A. Voevodin and J.S. Zabinski, Thin Solid Films, Vol. 370 (2000), p.223.

Google Scholar

[3] C. Strondl, N. M. Carvalho, J. Th. M. De Hosson and G. J. van der Kolk, Surf. Coat. Technol., Vol. 162 (2003), p.288 a b c.

Google Scholar

[4] W.J. Meng, R.C. Tittsworth and L.E. Rehn, Thin Solid Films, Vol. 377-378 (2000), p.222.

DOI: 10.1016/s0040-6090(00)01300-6

Google Scholar

[5] Y.T. Pei, D. Galvan, J. Th.M. De Hosson and A. Carvaleiro, Proc. Thin Films 2004, July 13-17, 2004, Singapore.

Google Scholar