A Theory for the Lubrication of Layered Liquid Crystals

Author:

Tichy J. A.1,Rhim Y.1

Affiliation:

1. Department of Mechanical Engineering, Aeronautical Engineering and Mechanics, Rensselaer Polytechnic Institute, Troy, NY 12180-3590

Abstract

Layered liquid crystals hold promise as advanced lubricants. These materials have been exhaustively studied from a fundamental continuum mechanics perspective. Recent studies from a lubrication perspective have involved measurements of behavior in rheological instruments and in elastohydrodynamic test rigs. The present study is an effort to adapt the basic theory to the lubrication geometry. A permeation parameter is seen to determine the nature of flow process and the layer structure. Problems are solved for limiting cases when this parameter is small or large. In the former case a modified Reynolds equation can be obtained. The liquid crystal lubricant may enhance the load carry significantly relative to an equivalent viscous liquid.

Publisher

ASME International

Subject

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

Cited by 7 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Liquid Crystals in Tribology;International Journal of Molecular Sciences;2009-09-18

2. Directionally controllable squeeze film damper using liquid crystal;KSME International Journal;1998-11

3. Reduction of Friction Through Presmectic Lubricants;Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals;1997-09

4. Electroviscous effect of nematic liquid crystals;Tribology International;1993-12

5. Bibliography;Comprehensive Handbook on Hydrosilylation;1992

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