What is it about?
Where exactly do the carbon atoms reside in α-Fe or steel? Surprisingly, despite of our steel-based civilization, answering this question is not an easy task, especially in situations involving irradiation damages. Old magnetic after-effect technique, hereby extended to high temperatures, helps us in answering.
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Photo by Hal Gatewood on Unsplash
Why is it important?
Carbon and carbides determine mechanical properties of iron and steels. Knowledge and control of their positions, migrations, kinetics and stability in temperature, time and the irradiation-damage domains are crucial in development of next-generation steels, required for applications in harsh environments, like nuclear fusion and fission reactors.
Perspectives
Powerful theoretical multiscale modelings of irradiation damages and the dislocation dynamics require knowledge of carbon/carbides location as a crucial input parameter. This work represents one step forward in establishing metallurgy on structures and mechanisms present on the nanoscale.
Mladen Prester
Institut za fiziku
Read the Original
This page is a summary of: Migration of carbon atoms in irradiated and non-irradiated alpha-iron studied by magnetic after-effect, Journal of Applied Physics, November 2022, American Institute of Physics,
DOI: 10.1063/5.0098439.
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