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  Frequency response of quartz crystal shear-resonator during an adhesive, elastic contact in a surface forces apparatus

Berg, S., Johannsmann, D., & Ruths, M. (2002). Frequency response of quartz crystal shear-resonator during an adhesive, elastic contact in a surface forces apparatus. Journal of Applied Physics, 92(11), 6905-6910. doi:10.1063/1.1518755.

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 Creators:
Berg, S.1, Author              
Johannsmann, Diethelm1, Author              
Ruths, M.2, Author              
Affiliations:
1MPI for Polymer Research, Max Planck Society, ou_1309545              
2Abo Akad Univ, Dept Phys Chem, FIN-20500 Turku, Finland, ou_persistent22              

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 Abstract: Contact mechanics experiments on a single asperity contact between two dry mica surfaces have been performed with a surface forces apparatus where one mica surface was excited to oscillatory shear movements by a quartz-crystal resonator. We directly obtain the resonance parameters of the quartz and the radius of the adhesive contact (measured by optical interferometry) as a function of the external load. The frequency shift was found to increase linearly with increasing contact radius as predicted by the elastic point contact model by Laschitsch and Johannsmann [J. Appl. Phys. 85, 3759 (1999)]. The bandwidth increased more strongly than linearly with the contact radius, but not quadratically as predicted by the model. We attribute the differences to dissipative processes in the glue layers supporting the contacting surfaces. (C) 2002 American Institute of Physics.

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Language(s): eng - English
 Dates: 2002-12-01
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Type: No review
 Identifiers: eDoc: 28309
ISI: 000179206600082
DOI: 10.1063/1.1518755
 Degree: -

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Title: Journal of Applied Physics
  Abbreviation : J. Appl. Phys.
Source Genre: Journal
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Publ. Info: New York, NY : AIP Publishing
Pages: - Volume / Issue: 92 (11) Sequence Number: - Start / End Page: 6905 - 6910 Identifier: ISSN: 0021-8979
CoNE: https://pure.mpg.de/cone/journals/resource/991042723401880