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Prediction of the Frictional Behavior of Sealing Assembly for Mass Production by Surface Roughness Analysis
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Prediction of the Frictional Behavior of Sealing Assembly for Mass Production by Surface Roughness Analysis

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Abstract:

Direct measurement of the friction of elastomers is challenging due to the complex mechanical behavior of the rubber and the limited accessibility of the often-cylindrical counter-surface of typical sealing systems. This study proposes an indirect approach to estimate the frictional behavior of sealing assembly by analyzing the friction of more accessible reference front surfaces. The apparent coefficient of friction between a rubber seal and an aluminum die-cast component was evaluated through surface roughness analysis, adhesion and direct friction measurements. Power spectral density functions were used to describe the counter-surface topography and to estimate friction using a simplified rubber friction model. Adhesion was characterized by contact angle measurements. The results reveal a moderate correlation between surface roughness and friction, demonstrating that indirect estimation may provide useful input for assembly analysis without destructive testing of the actual interface.

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Periodical:

Key Engineering Materials (Volume 1061)

Pages:

3-12

DOI:

https://doi.org/10.4028/p-q99x7F

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Online since:

August 2026

Authors:

Viktor Sári-Barnácz*, Bálint Fazekas, Tibor János Goda

Keywords:

Assembly, Elastomer, Roughness, Rubber Friction, Seal

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© 2026 Trans Tech Publications Ltd. All Rights Reserved

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