Memory effect on the glass transition in vulcanized rubber |
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Authors: | Miyamoto Yoshihisa Fukao Koji Yamao Hiromi Sekimoto Ken |
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Institution: | Faculty of Integrated Human Studies, Kyoto University, Kyoto 606-8501, Japan. |
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Abstract: | The memory effect upon glassification is studied in the glass-to-rubber transition of vulcanized rubber with the strain as a controlling parameter. A phenomenological model is proposed, taking the history of the temperature and the strain into account, by which the experimental results are interpreted. The data and the model demonstrate that the glassy state memorizes the time course of strain upon glassification, not as a single parameter but as the history itself. The data also show that the effect of irreversible deformation in the glassy state is beyond the scope of the present model. |
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