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Kinetics and crystallization path of a Fe-based metallic glass alloy
Duarte, Maria Jazmin; Kostka, Aleksander; Crespo Artiaga, Daniel; Jiménez Rodríguez, José Antonio; Dippel, A. C.; Renner, Frank U.; Dehm, G.
Universitat Politècnica de Catalunya. Departament de Física; Universitat Politècnica de Catalunya. GCM - Grup de Caracterització de Materials
The thermal stability and the quantification of the different transformation processes involved in the overall crystallization of the Fe50Cr15Mo14C15B6 amorphous alloy were investigated by several characterization techniques. Formation of various metastable and stable phases during the devitrification process in the sequence a-Fe, ¿-Cr6Fe18Mo5, M23(C,B)6, M7C3, ¿-Fe3Mo3C and FeMo2B2 (with M = Fe, Cr, Mo), was observed by in-situ synchrotron high energy X-ray diffraction and in-situ transmission electron microscopy. By combining these techniques with differential scanning calorimetry data, the crystallization states and their temperature range of stability under continuous heating were related with the evolution of the crystallized fraction and the phase sequence as a function of temperature, revealing structural and chemical details of the different transformation mechanisms.
Àrees temàtiques de la UPC::Enginyeria dels materials
X-rays--Diffraction
Synchrotron radiation
Electrons--Diffraction
Electron microscopy
In-situ transmission electron microscopy
In-situ synchrotron X-ray diffraction
Metallic glasses
Crystallization kinetics
Microstructure
Espectroscòpia infraroja
Sincrotrons
Difracció
Cristalització
Attribution-NonCommercial-NoDerivs 3.0 Spain
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
info:eu-repo/semantics/publishedVersion
Artículo
         

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