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The Effect of Elastic Deformation on the Load-Carrying Capacity of Textured Sliding Surfaces

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Abstract:

In order to study the differences in load-carrying capacity of surface-textured soft materials and stiff materials, a theoretical hydrodynamic model considering elastic deformation is developed for numerical simulation analysis. Minimum oil film thickness at a certain load is computed as an index to evaluate the load-carrying capacity of textured sliding surfaces made of soft materials and stiff materials. The results show that the elastic modulus affects greatly on the load-carrying capacity. In the case of the surface texture with a dimple aspect of 0.05, textured soft materials has a higher load-carrying capacity than that of the stiff materials. In the case of the surface texture with a dimple aspect of 0.01 and only under high loads, textured stiff materials provides a better load-carrying capacity than that of the soft materials.

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Periodical:

Applied Mechanics and Materials (Volume 736)

Pages:

7-12

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.736.7

Citation:

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Online since:

March 2015

Authors:

Bo Zhang*, Jing Qiu Wang, Xiao Lei Wang

Keywords:

Elastic Deformation, Film Thickness, Load-Carrying Capacity, Soft Materials, Surface Texture

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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