A direct evidence of solute interactions with a moving ferrite/austenite interface in a model Fe-C-Mn alloy
Langue
en
Article de revue
Ce document a été publié dans
Scripta Materialia. 2016, vol. 121, p. 61-65
Elsevier
Résumé en anglais
The coupled-solute drag during ferrite growth in steels is widely discussed in the literature and remains still controversial since little direct evidences were adduced to support this effect. In this paper, from a correlative ...Lire la suite >
The coupled-solute drag during ferrite growth in steels is widely discussed in the literature and remains still controversial since little direct evidences were adduced to support this effect. In this paper, from a correlative microscopy approach, a selected migrating ferrite/austenite interface in a model FeMnC alloy is quantitatively analysed by atom probe tomography and Energy Dispersive X-Ray Spectroscopy at the nanoscale. They show unambiguously a strong co-segregation of both carbon and manganese at the interface during ferrite growth at 680 °C. The obtained results support the coupled-solute drag effect as an operating mechanism during ferrite growth.< Réduire
Mots clés en anglais
Atom probe tomography (APT)
Energy Dispersive X-ray Spectroscopy (EDX)
Interface migration
Interface segregation
Austenite to ferrite transformation
Steel
Origine
Importé de halUnités de recherche