Strain-accelerated Dynamics of Soft Colloidal Glasses
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We have investigated strain-accelerated dynamics of soft glasses theoretically and experimentally.Mechanical rheology measurements performed on a variety of systems reveal evidence for the speeding-up of relaxation at modest shear strains in both step and oscillatory shear flows. Using the soft glassy rheology (SGR) model framework, we show that the observed behavior is a fundamental, but heretofore unexplored attribute of soft glasses.
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This work was supported by Award No. KUS-C1-018-02,made by King Abdullah University of Science and Technology(KAUST), and by the National Science Foundation,AwardNo. DMR-1006323. Facilities available though the Cornell Center
for Materials Research (CCMR) were used for this study.
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2011-04-11
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American Physical Society
Keywords
soft-colloidal glasses; strain-accelerated dynamics
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Physical Review E, 83, 2011, 041402-1-5
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