Fragility: Difference between revisions
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==Fragility parameter== | ==Fragility parameter== | ||
There are various definitions of the fragility parameter. For example, that of Angell (Eq. 1 in <ref>[http://dx.doi.org/10.1063/1.1736628 G. Ruocco, F. Sciortino, F. Zamponi, C. De Michele and T. Scopigno "Landscapes and fragilities", Journal of Chemical Physics '''120''' pp. 10666-10680 (2004)]</ref>): | There are various definitions of the fragility parameter. For example, that of Angell<ref>[http://dx.doi.org/10.1038/19042 Kaori Ito, Cornelius T. Moynihan and C. Austen Angell "Thermodynamic determination of fragility in liquids and a fragile-to-strong liquid transition in water", Nature '''398''' pp. 492-495 (1999)]</ref> | ||
(Eq. 1 in <ref>[http://dx.doi.org/10.1063/1.1736628 G. Ruocco, F. Sciortino, F. Zamponi, C. De Michele and T. Scopigno "Landscapes and fragilities", Journal of Chemical Physics '''120''' pp. 10666-10680 (2004)]</ref>): | |||
:<math>m := \left. \frac{d \log_{10} (\eta(T)/\eta_{\infty}) }{d (T_g/T)}\right\vert_{T=T_g}</math> | :<math>m := \left. \frac{d \log_{10} (\eta(T)/\eta_{\infty}) }{d (T_g/T)}\right\vert_{T=T_g}</math> | ||
==References== | ==References== | ||
<references/> | <references/> | ||
Revision as of 13:36, 8 October 2014
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Fragility parameter
There are various definitions of the fragility parameter. For example, that of Angell[5] (Eq. 1 in [6]):
References
- ↑ C. A. Angell "Relaxation in liquids, polymers and plastic crystals - strong/fragile patterns and problems", Journal of Non-Crystalline Solids 131-133 pp. 13-31 (1991)
- ↑ C. A. Angell, P. H. Poole, and J. Shao "Glass-forming liquids, anomalous liquids, and polyamorphism in liquids and biopolymers", Il Nuovo Cimento D 16 pp. 993-1025 (1994)
- ↑ C. A. Angell "Formation of Glasses from Liquids and Biopolymers", Science 267 pp. 1924-1935 (1995)
- ↑ C. A. Angell "The old problems of glass and the glass transition, and the many new twists", Proceedings of the National Academy of Sciences of the United States of America 92 pp. 6675-6682 (1995)
- ↑ Kaori Ito, Cornelius T. Moynihan and C. Austen Angell "Thermodynamic determination of fragility in liquids and a fragile-to-strong liquid transition in water", Nature 398 pp. 492-495 (1999)
- ↑ G. Ruocco, F. Sciortino, F. Zamponi, C. De Michele and T. Scopigno "Landscapes and fragilities", Journal of Chemical Physics 120 pp. 10666-10680 (2004)
- Related reading