|LC Classifications||QC173.4.R44 B73 1985|
|The Physical Object|
|Pagination||ix, 220 p. :|
|Number of Pages||220|
|LC Control Number||85006226|
Relaxation in Viscous Liquids and Glasses by Steven A. Brawer, , available at Book Depository with free delivery worldwide. The field of viscous liquid and glassy solid dynamics is reviewed by a process of posing the key questions that need to be answered, and then providing the best answers available to the authors and their advisors at this time. The subject is divided into four parts, three of them dealing with behavior in different domains of temperature with respect to the glass transition temperature, T g Cited by: Finally, the chapter compiles a variety of examples of dielectric experiments that are capable of providing key insight into understanding viscous liquids and other soft matter. The coverage of dielectric relaxation based approaches to supercooled liquids and glasses showcases the versatility and power of dielectric techniques in this by: The size of heterogeneous reconfiguring regions in a viscous liquid is inferred and the correlation of nonexponentiality of relaxation with fragility is qualitatively explained.
The Glass Transition: Relaxation Dynamics in Liquids and Disordered Materials, E. Donth Springer-Verlag, New York, $ ( pp.). ISBN Buy at Amazon Ernst-Joachim Donth’s The Glass Transition is a welcome addition to the literature on a subject that is currently attracting a very heavy research interest. Supercooled Liquids and Glasses by Dielectric Relaxation Spectroscopy. Ranko Richert. Department of Chemistry and Biochemistry, Arizona State University, Tempe, AZ, ‐, USA. Search for more papers by this author. Ranko Richert. Book Editor(s): Stuart A. Rice. The most widely used concepts are the free volume model , the theory of cooperative relaxation , the coupling concept  and the mode-coupling theory . Surveys of constitutive relations for the kinetics of structural relaxation in supercooled liquids may be . Special attention is given to the distribution of the relaxation times and to the temperature dependence of the mean relaxation rates. Experimental evidence is provided that orientational glasses can be described in terms of ‘strong glasses’ that are characterized by a low density of configurational states in the potential energy surface.
Viscous Liquids and the Glass Transition. II. Secondary Relaxations in Glasses of Rigid Molecules J. Chem. Phys. 53, (); https This is not surprising because the amount of change in temperature required to cause a tenfold increase in relaxation time for liquids having a . The average experimental ratio is + for the low-temperature tunneling states in glasses, + for the difference ratio between high- and low-frequency elastic constants in liquids and 0. Glasses are amorphous materials that lack the periodicity of crystalline substances. Structurally, they resemble metastable supercooled liquids but behave mechanically like solids. A typical way of preparing glass is by cooling a viscous supercooled liquid fast enough to avoid crystallization. Abstract. Most of the current interest in vibrational bandshapes has been focussed on the spectra of simple molecular liquids such as N 2 and CO 2 which, for reasons associated with the simplicity of the molecular shapes, are only observed in highly fluid states. Any attempt to decrease their fluidity and concomitantly to increase the various associated structural and rotational relaxation.