Analysis of phase transformations in Fe–(Co)–B–Si–(P)
| Autor: | I. Janotova, J. Zigo, P. Svec, I. Matko, D. Janickovic |
|---|---|
| Rok vydání: | 2015 |
| Předmět: |
Amorphous metal
Materials science Mechanical Engineering Metallurgy Metals and Alloys Analytical chemistry Amorphous solid law.invention Thermogravimetry chemistry.chemical_compound Differential scanning calorimetry chemistry Mechanics of Materials law Electrical resistivity and conductivity Boride Phase (matter) Materials Chemistry Crystallization |
| Zdroj: | Journal of Alloys and Compounds. 643:S265-S269 |
| ISSN: | 0925-8388 |
| Popis: | The phase transformations in ferromagnetic nano-structured (Fe 85 − x Co x B 10 Si 5 ) 100 − y P y (where x = 4; 8; 12 and y = 0; 3) systems were investigated. The multi-component amorphous alloys were prepared by planar flow casting into the form of thin ribbons and then isothermally crystallized at selected temperatures determined from the heating experiments. The subsequent crystallization stages of bcc-Fe and borides were determined by the electrical resistivity, differential scanning calorimetry and thermogravimetry measurements, the important temperature parameters and intervals of stability and phase transformations were estimated. The phase analysis performed by TEM and XRD diffraction identified different crystallization products formed in the course of transition from the amorphous state. Morphology of nano-sized Fe grains in amorphous matrix and the transformation of remaining matrix into boride phases were observed we compared the effects of different additives onto the transformations curves and on the resulting structure. |
| Databáze: | OpenAIRE |
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