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Evaluation of Tribological and Mechanical Properties of Nitride Thin Films Prepared by Cathodic ARC Deposition

Published online by Cambridge University Press:  11 February 2011

Pallavi Shukla ,
A. K. Sikder ,
Ashok Kumar ,
Robert Durvin ,
Mark McDonough  and
M. D. Smith
Pallavi Shukla
Affiliation:
Nanomaterials and Nanomanufacturing Research Center, University of South Florida, Tampa, FL 33620 Also with Department of Mechanical Engineering
A. K. Sikder
Affiliation:
Nanomaterials and Nanomanufacturing Research Center, University of South Florida, Tampa, FL 33620
Ashok Kumar
Affiliation:
Nanomaterials and Nanomanufacturing Research Center, University of South Florida, Tampa, FL 33620 Also with Department of Mechanical Engineering
Robert Durvin
Affiliation:
BryCoat Inc., Safety Harbor, Florida 34695–3403.
Mark McDonough
Affiliation:
BryCoat Inc., Safety Harbor, Florida 34695–3403.
M. D. Smith
Affiliation:
BryCoat Inc., Safety Harbor, Florida 34695–3403.
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Abstract

Mechanical and tribological properties of thin films draw special attention and differ from those of bulk materials due to the effects of interfaces, microstructure and thick underlying substrates. In this study hard wear resistant nitride coatings (TiN, ZrN, TiAlN, TiCN and CrN) were coated on high speed steel substrates using cathodic arc deposition method. Mechanical properties of the films were evaluated using nanoindentation technique. Continuous stiffness method was employed to evaluate the depth sensing hardness and modulus values. Studies of tribological properties were performed using ball-on-disk friction and wear test. We have also investigated the wear track using optical microscopy. Variation of coefficient of friction with time has been analyzed and coating endpoint was estimated. Nanoindentation evaluation of mechanical properties along with the measurement of tribological properties is very useful in order to use them as wear resistant hard coatings.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 750: Symposium Y – Surface Engineering 2002–Synthesis, Characterization and Applications , 2002 , Y5.19
Copyright
Copyright © Materials Research Society 2003

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References

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