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Microstructure of TiC/Amorphous Hydrocarbon Nanocomposite Coatings

Published online by Cambridge University Press:  02 July 2020

D. M. Cao
Affiliation:
Mechanical Engineering Department, Louisiana State University, Baton Rouge, Louisiana70803
J. C. Jiang
Affiliation:
Mechanical Engineering Department, Louisiana State University, Baton Rouge, Louisiana70803
B. Feng
Affiliation:
Mechanical Engineering Department, Louisiana State University, Baton Rouge, Louisiana70803
W. J. Meng
Affiliation:
Mechanical Engineering Department, Louisiana State University, Baton Rouge, Louisiana70803
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Extract

Application of an appropriate ceramic surface coating to mechanical components such as bearings and gears can provide longer life and increased performance reliability. Metal-containing hydrocarbon (Me-C:H) coatings possess high hardness, together with low friction and low wear rate. They have also been suggested to adhere better to metallic substrates. This combination of attractive mechanical/tribological properties makes Me-C:H coatings potentially useful for surface modification of a wide range of mechanical components.

Using the technique of inductively coupled plasma (ICP) assisted vapor deposition[1], we have synthesized Ti-containing hydrocarbon (Ti-C:H) coatings with a wide range of Ti compositions[2]. Coating mechanical properties such as modulus and hardness have been measured by the technique of nanoindentation and correlated to Ti and hydrogen compositions[2,3].

We have performed detailed microstructural examination of Ti-C:H coatings by transmission electron microscopy (TEM), Extended X-ray Absorption Fine Structure (EXAFS) spectroscopy, and X-ray Absorption Near Edge Structure (XANES) spectroscopy.

Type
Films and Coatings
Copyright
Copyright © Microscopy Society of America

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References

References:

1.Meng, W. J., Curtis, T. J., Rehn, L. E., Baldo, P. M., Surf. Coat. Technol. 120/121, 206 (1999).CrossRefGoogle Scholar
2.Meng, W. J., Meletis, E. I., Rehn, L. E., Baldo, P. M., J. Appl. Phys. 87, in press (2000).CrossRefGoogle Scholar
3.Meng, W. J., Gillispie, B. A., J. Appl. Phys. 84, 4314 (1998).CrossRefGoogle Scholar