New, Experimental Powder Diffraction Data for Metastable Fe₃B Phase Prepared According to ICDD Standards

Abstract:

In the present work X-ray studies were performed on annealed Fe78Nb2B20 amorphous alloy prepared by melt-spinning technique. All the samples were annealed in vacuum for 1 hour at temperatures up to 800°C. For the studied alloy -Fe and Fe2B are the stable, crystalline phases. The -Fe crystallized as the first crystalline phase in the sample annealed at 350°C. On the other hand, metastable Fe3B phase appeared to be stable during annealing in 425-800°C temperature range. The best fitting of the experimental X-ray data to as jet available ICDD files was obtained for Ni3P type structure (39-1315 – S.G.: I (82)). New, experimental powder diffraction data for metastable Fe3B phase prepared according to ICDD standards were elaborated for the sample annealed at 600°C. For this sample the best agreement between the calculated values of lattice constants and positions of experimental diffraction lines was obtained. The X-ray data were collected using X-Pert Philips diffractometer equipped with curved graphite monochromator on diffracted beam. The Treor program was applied for the analysis of X-ray diffraction data.

• Periodical: Solid State Phenomena (Volume 163)
• Pages: 173-176
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.163.173
• Online since: June 2010
• Authors: Lucjan Pająk, E. Olszewska, Stanislaw Pikus, Grzegorz Dercz, Józef Rasek
• Keywords: Amorphous Alloy, Fe₃B, ICDD File, Metastable Phase, X-Ray Diffraction (XRD)

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