Nucleation kinetics of proeutectoid ferrite transformation in Fe-0.58 mass%C alloy under a high magnetic field

The effects of a high magnetic field on proeutectoid ferrite nucleation kinetics has been investigated. SEM equipped with Electron backscattering diffraction are utilized to distinguish the quantity and morphology of proeutectoid ferrite. Results indicate that proeutectoid ferrite nucleation density approximately increased about 11-17% from 1033 to 993 K. Magnetization energy induced by high magnetic field is responsible for ferrite nucleation density increasing. According to Weiss molecular field theory, relationship between magnetic flux density, temperature and nucleation rate of proeutectoid ferrite is clarified. Nucleation kinetics model of proeutectoid ferrite under high magnetic fields is proposed.

Automated summary

The effects of a high magnetic field on the nucleation kinetics of proeutectoid ferrite have been studied using SEM equipped with Electron backscattering diffraction to analyze the quantity and morphology of proeutectoid ferrite. The results show that the nucleation density of proeutectoid ferrite increased by about 11-17% from 1033 to 993K. The increase in nucleation density is attributed to the magnetization energy induced by the high magnetic field. A relationship between magnetic flux density, temperature, and nucleation rate of proeutectoid ferrite is clarified based on the Weiss molecular field theory, and a nucleation kinetics model of proeutectoid ferrite under high magnetic fields is proposed.