Friction behavior of silicone rubber hemisphere under non-uniform wetting states: With water droplets in air or air bubbles in water

Research output: Contribution to journalArticlepeer-review

Abstract

The friction behavior of rubber is sensitive to real contact formation, especially on flat floors, and it can be determined by the wetting distribution (uniform or non-uniform). Here, we investigated the friction behavior and contact condition between a rubber hemisphere and a glass plate under non-uniform wetting conditions with water droplets in air and air bubbles in water. The experimental results indicated that the friction coefficient and real contact area for non-uniform wetting conditions were higher than for uniform wetting conditions without water droplets and air bubbles. Considering non-uniform wetting, a dewetting theory was developed that explains promotion of real contact formation.

Original languageEnglish
Article number106769
JournalTribology International
Volume155
DOIs
Publication statusPublished - 2021 Mar

Keywords

  • Contact area
  • Elastomer
  • Sliding
  • Wetting

ASJC Scopus subject areas

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

Fingerprint Dive into the research topics of 'Friction behavior of silicone rubber hemisphere under non-uniform wetting states: With water droplets in air or air bubbles in water'. Together they form a unique fingerprint.

Cite this