Ultrasonically induced nanoscale fatigue and friction reduction phenomena are researched for nanometer order thick protective overcoats. The newly developed method described here is a synergy of the nanometer scale quantitative nanoindentation/scratch technique and ultrasonic excitation. A standing ultrasonic wave is generated at the sample holder during the quasi-static nanoindentation/scratch test at an excitation frequency of several hundreds of kilohertz. Due to the fact that high strain rates are being generated at the surface of the sample, nanofatigue phenomenon followed by delamination and overcoat chipping can be observed. Statistical investigation of fatigue inducing parameters, such as critical quasistatic load and amplitude of oscillations, leads to a means of comparative sample characterization.
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STLE/ASME 2003 International Joint Tribology Conference
October 26–29, 2003
Ponte Vedra Beach, Florida, USA
Conference Sponsors:
- Tribology Division
ISBN:
0-7918-3706-8
PROCEEDINGS PAPER
Ultra-Thin Film Ultrasonic Characterization Available to Purchase
Vytautas Blechertas,
Vytautas Blechertas
Kaunas University of Technology, Kaunas, Lithuania
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Hiroshi Kutomi,
Hiroshi Kutomi
Gifu University, Gifu, Gifu, Japan
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Thomas J. Wyrobek
Thomas J. Wyrobek
Hysitron, Inc.
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Antanas Daugela
Hysitron, Inc.
Vytautas Blechertas
Kaunas University of Technology, Kaunas, Lithuania
Oden L. Warren
Hysitron, Inc.
Hiroshi Kutomi
Gifu University, Gifu, Gifu, Japan
Thomas J. Wyrobek
Hysitron, Inc.
Paper No:
2003-TRIB-0276, pp. 111-114; 4 pages
Published Online:
January 7, 2009
Citation
Daugela, A, Blechertas, V, Warren, OL, Kutomi, H, & Wyrobek, TJ. "Ultra-Thin Film Ultrasonic Characterization." Proceedings of the STLE/ASME 2003 International Joint Tribology Conference. Contact Mechanics. Ponte Vedra Beach, Florida, USA. October 26–29, 2003. pp. 111-114. ASME. https://doi.org/10.1115/2003-TRIB-0276
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