Symmetry 2010, 2(1), 320-345; doi:10.3390/sym2010320

Nanotribology of Symmetric and Asymmetric Liquid Lubricants

Received: 15 December 2009; in revised form: 8 February 2010 / Accepted: 20 February 2010 / Published: 15 March 2010
(This article belongs to the Special Issue Feature Papers: Symmetry Concepts and Applications)
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract: When liquid molecules are confined in a narrow gap between smooth surfaces, their dynamic properties are completely different from those of the bulk. The molecular motions are highly restricted and the system exhibits solid-like responses when sheared slowly. This solidification behavior is very dependent on the molecular geometry (shape) of liquids because the solidification is induced by the packing of molecules into ordered structures in confinement. This paper reviews the measurements of confined structures and friction of symmetric and asymmetric liquid lubricants using the surface forces apparatus. The results show subtle and complex friction mechanisms at the molecular scale.
Keywords: nanotribology; friction; surface forces apparatus; confined liquids; lubricants; stick-slip; stiction; confinement-induced phase transitions
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MDPI and ACS Style

Yamada, S. Nanotribology of Symmetric and Asymmetric Liquid Lubricants. Symmetry 2010, 2, 320-345.

AMA Style

Yamada S. Nanotribology of Symmetric and Asymmetric Liquid Lubricants. Symmetry. 2010; 2(1):320-345.

Chicago/Turabian Style

Yamada, Shinji. 2010. "Nanotribology of Symmetric and Asymmetric Liquid Lubricants." Symmetry 2, no. 1: 320-345.

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