Pre-exponential factor in Phase Diagrams and Phase Transformations Formulas

Pre-exponential factor to calculate diffusion coefficient. And is denoted by D₀. Pre-exponential factor is usually measured using the Square Meter Per Second for Diffusivity. Note that the value of Pre-exponential factor is always positive.

Phase Diagrams and Phase Transformations formulas that make use of Pre-exponential factor

fxTemperature dependent diffusion coefficientGo

FAQ

What is the Pre-exponential factor?

Pre-exponential factor to calculate diffusion coefficient. Pre-exponential factor is usually measured using the Square Meter Per Second for Diffusivity. Note that the value of Pre-exponential factor is always positive.

Can the Pre-exponential factor be negative?

No, the Pre-exponential factor, measured in Diffusivity cannot be negative.

What unit is used to measure Pre-exponential factor?

Pre-exponential factor is usually measured using the Square Meter Per Second[m²/s] for Diffusivity. Square Centimeter Per Second[m²/s], Square Millimeter per Second[m²/s] are the few other units in which Pre-exponential factor can be measured.

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