Atomic force microscope investigation on static nanomechanical properties versus dynamic nanotribological evaluation of metal-ZrN and ZrN thin films

D. M. Mihut, S. M. Aouadi, J. A. Turner, S. L. Rohde

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The present study offers for the first time a correlation between static nanomechanical properties (nanohardness (H), elastic modulus (E), H/E and H 3/E 2 ratio) and dynamic properties (resulting from nanoscratch measurements) for Metal-ZrN thin films (Inconel-ZrN, Cr-ZrN and Nb-ZrN) as well as monolayer polycrystalline ZrN thin films. Metal-ZrN thin films have a great industrial potential, as they can combine high hardness with good elasticity and toughness making them effective for wear resistant application. Nanomechanical and nanotribological properties of Metal-ZrN and ZrN thin films deposited by DC unbalanced magnetron sputtering were investigated using an atomic force microscope interfaced with a Hysitron Triboscope. The elastic recovery of thin films under a normal load applied during nanoindentation was evaluated and correlated with elastic recovery of thin films under dynamic loading during nanoscratch measurements in order to asses which film compositions provide superior wear resistance. It is demonstrated that dynamic elastic recovery measurements correlated well with those derived from static nanoindentation tests. The nanoscratch test combines both normal and tangential loading, therefore, it is expected to be an even better predictor of wear-resistance. The AFM nanoindentation and nanoscratch measurements show superior nanomechanical and nanotribological properties for Metal-ZrN thin films when compared to polycrystalline ZrN thin films.

Original languageEnglish (US)
Pages (from-to)37-45
Number of pages9
JournalTribology Letters
Volume31
Issue number1
DOIs
StatePublished - Jul 1 2008

Fingerprint

dynamic characteristics
Microscopes
Metals
microscopes
Thin films
evaluation
thin films
metals
Nanoindentation
nanoindentation
recovery
wear resistance
Recovery
Wear resistance
Nanohardness
Inconel (trademark)
toughness
Magnetron sputtering
Toughness
Elasticity

Keywords

  • AFM
  • Coatings
  • Nanotribology
  • Wear resistant

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

Cite this

Atomic force microscope investigation on static nanomechanical properties versus dynamic nanotribological evaluation of metal-ZrN and ZrN thin films. / Mihut, D. M.; Aouadi, S. M.; Turner, J. A.; Rohde, S. L.

In: Tribology Letters, Vol. 31, No. 1, 01.07.2008, p. 37-45.

Research output: Contribution to journalArticle

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