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- Title
Structure and Mössbauer Analysis of Melt-Spun Fe-Pd Ribbons Containing Ni and Co.
- Authors
Rekik, Hanen; Chemingui, Mahmoud; Bachaga, Tarek; Cherif, Amal; Bruna, Pere; Sunol, Joan Joseph; Khitouni, Mohamed
- Abstract
Fe68.45Pd28.21Co1.66Ni1.66 alloy in ribbon geometry was produced by melt spinning. The microstructure of the samples was examined using scanning electron microscopy. The structural identification of the as-spun ribbon sample and the annealed ones was performed by means of X-ray diffraction. All the Bragg peaks were indexed based on an fcc type structure of (γ-Fe, Pd) phase with a lattice parameter a = 3.742 (3) Å. This result was proved by Mössbauer technique. The annealed ribbon at 600 °C shows an L10 ordered fct structure. An endothermic reaction at T = 358 °C followed by an exothermic one at 390 °C were observed on heating. These reactions were attributed to the Curie temperature of nickel and to the annihilation of an excess of quenched-in vacancies, respectively.
- Subjects
MOSSBAUER effect; MELT spinning; NANORIBBONS; NANOSTRUCTURED materials -- Design &; construction; X-ray diffraction
- Publication
Metals (2075-4701), 2015, Vol 5, Issue 2, p1020
- ISSN
2075-4701
- Publication type
Article
- DOI
10.3390/met5021020