Dataset concerning the analytical approximation of the Ae temperature

Area of Science:

• Metallurgical Engineering
• Materials Science
• Physical Chemistry

Background:

• Accurate calculation of phase transformation temperatures is crucial for steel processing.
• Existing models may lack precision for specific phase fields like austenite+ferrite to austenite.
• Alloying elements significantly influence steel phase transformation kinetics and temperatures.

Purpose of the Study:

• To introduce a novel polynomial function for calculating the local phase transformation temperature (Ae3) during steel heating and cooling.
• To provide polynomial coefficients for major alloying elements in steel.
• To offer a validated approximation method for the derived coefficients.

Main Methods:

• Development of a new polynomial function for Ae3 calculation.
• Derivation and validation of polynomial coefficients using an approximation method.
• Dataset compilation including function terms and coefficients for alloying elements.

Main Results:

• A new polynomial function for calculating Ae3 temperature is presented.
• Polynomial coefficients for major alloying elements in steel are provided.
• An approximation method for deriving and validating coefficients is described.

Conclusions:

• The new polynomial function offers a precise method for determining Ae3 temperatures in steels.
• The provided coefficients enable accurate phase transformation calculations considering alloying element effects.
• This model serves as a valuable tool for understanding and controlling steel phase transformations.