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Adhesion Due to Micro Menisci During Separation of Contact Surfaces

[+] Author Affiliations
Shaobiao Cai

Penn State University, Hazleton, PA

Yongli Zhao

St. Cloud State University, St. Cloud, MN

Bharat Bhushan

Ohio State University, Columbus, OH

Paper No. IJTC2009-15018, pp. 277-279; 3 pages
doi:10.1115/IJTC2009-15018
From:
  • ASME/STLE 2009 International Joint Tribology Conference
  • ASME/STLE 2009 International Joint Tribology Conference
  • Memphis, Tennessee, USA, October 19–21, 2009
  • Conference Sponsors: Tribology Division
  • ISBN: 978-0-7918-4895-1 | eISBN: 978-0-7918-3862-4
  • Copyright © 2009 by ASME

abstract

High friction/stiction caused by adhesive force is among the main issues in devices (ranging from macro scale down to mirco/nano scale) having contacting interfaces with relative motion. Relevant parameters, i.e., surface roughness, meniscus and viscous forces due to the presence of liquid films, need to be studied to provide a fundamental understanding of the physics of the experienced problems. The simulations of separation of two surfaces from micro menisci are performed. The roles of the involved forces which contribute to the adhesive force are examined.

Copyright © 2009 by ASME

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