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Accelerating ferroic ageing dynamics upon cooling

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Academic year: 2021

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Figure 1 Schematic time-temperature-transformation (TTT) curves for ferroelastic systems with three typical doping levels (mole fraction c = 0.02, 0.14 and 0.40)
Figure 3 Microstructure evolutions upon cooling in three ferroelastic systems having different defect concentrations, c = 0.02, 0.14 and 0.40, respectively.
Figure 4a shows the Landau free energy curves of the system at 255 and 245 K. We can see that the activation energy Q decreases, whereas the driving force Δf increases as temperature decreases

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