Low-dimensional deterministic chaos in thermally-induced physical aging of as10se90 glass probed with nonlinear time-series method
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2015Author
Shpotyuk, O.I.Hacinliyan, A.S.
Balitska, V.O.
Kozdras, A.
Skarlatos, Y.
Aybar, İlknur Kuşbeyzi
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Nonlinear time-series method with the help of the TISEAN Program is applied to study the chaotic behavior in physical aging of A10S90 glass accelerated with thermal annealing at 40 °C. The kinetics of enthalpy losses was measured experimentally to determine the phase space reconstruction parameters, the results being presented in terms of a comparison with naturally long-term aged glass of the same composition. The observed deterministic chaoticity (involving chaos and fractal analysis tools such as detrended fluctuation analysis, attractor identification using phase space representation, delay coordinates, mutual information, false nearest neighbors) is parameterized so as to compare with microstructural models of long-term natural (more than 2 decades) and light-assisted physical aging in As-Se glasses. © 2015 ISAST.