Does the normal stress parallel to the sliding plane affect the friction of ice upon ice?
Abstract:Sliding experiments were performed at –10°C on smooth surfaces of freshwater columnargrained S2 ice sliding against itself at a velocity of 8 × 10–4 m s–1, with the purpose of examining whether normal stress parallel to the sliding plane affects frictional resistance. This component of the stress tensor was varied (0.20–1.83 MPa) using a loading system operated under biaxial compression, by orienting the sliding plane at two different angles, 26° and 64°, with respect to the principal loading direction. Under these conditions, no evidence was found to indicate that the normal stress in the direction of sliding affects the friction coefficient.
Document Type: Research Article
Publication date: October 1, 2011
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- The Journal of Glaciology is published six times per year. It accepts submissions from any discipline related to the study of snow and ice. All articles are peer reviewed. The Journal is included in the ISI Science Citation Index.
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