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Gutenberg-Richter's law in sliding frition of gels Tetsuo Yamaguchi1
 

Summary: Gutenberg-Richter's law in sliding frition of gels
Tetsuo Yamaguchi1
, Masatoshi Morishita1
, Takane Hori2
,
Hide Sakaguchi2
, Jean-Paul Ampuero3
, and Masao Doi1
1
Department of Applied Physics, The University of Tokyo, Tokyo, 113-8656 Japan
2
IFREE, JAMSTEC, Yokohama, 236-0001 JAPAN
3
Seismological laboratory, California Institute of Technology, Pasadena, CA, 91125 USA
(Dated: September 26, 2010)
Abstract
We report on experimental studies of spatio-temporally heterogeneous stick-slip motions in the
sliding friction between a hard polymethyl methacrylate (PMMA) block and a soft poly-dimethyl
siloxane (PDMS) gel. We perform experiments on two PDMS gels with different viscoelastic
properties. For the least viscous gel, two types of precursory regimes are observed prior to large and

  

Source: Ampuero, Jean Paul - Division of Geological and Planetary Sciences, California Institute of Technology

 

Collections: Geosciences