Determination of transient elastic zone in supercooled and glassy states.
When a liquid is supercooled while crystallization is avoided, its dynamic slows down significantly by several orders of magnitude. The dynamic in a glass-forming liquid is found to be heterogeneous. In the past two decades there has been much interest in understanding the glass phenomenon based on this concept of dynamic heterogeneity (DH). In this proposal we seek to correlate the evolution of DH with the nonlinear behavior of sheared glass-forming liquids. We hope to demonstrate that the transient elastic zone (TEZ), within which the shear-induced elastic deformation persists, can be used as the structural indicator, related to the complex structural relaxation and rapid growth of relaxation times seen on approaching the glass transition.
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PORCAR Lionel; BAGLIONI Piero; CHEN Wei Ren; FRATINI Emiliano; WANG Zhe and Huarui Wu. (2018). Determination of transient elastic zone in supercooled and glassy states.. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-10-1530
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