Kinetics of enthalpy relaxation in polymeric glasses
β Scribed by Aleksey D. Drozdov
- Publisher
- Springer
- Year
- 2000
- Tongue
- English
- Weight
- 176 KB
- Volume
- 45
- Category
- Article
- ISSN
- 0170-0839
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Differential scanning calorimetry was used to investigate the glass-to-rubber transition at 383 K of Illinois No. 6 coal dried at 383 K and thermally treated to 523 K. The intensity of the transition is 0.2 J g-' K-I, 'run 2' in Figure 1. The sample was then cooled to 303 K. This procedure was repea
A model is proposed to describe the simultaneous changes in topological (TSRO) and chemical (CSRO) short range order during structural relaxation of metallic glasses. Changes in free volume and order parameter during isothermal and isochronal annealing were calculated. Corresponding changes in inter