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Structure development in rapidly solidified Al-Fe-V-Si ribbons
Date
2004-05-25
Author
Yaneva, S
Kalkanlı, Ali
Petrov, K
Petrov, R
van Houbaert, IY
Kassabov, S
Metadata
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Microcrystalline Al-8.5 wt.% Fe-1.06 wt.% V-2.75 wt.% Si, ribbon was produced by a planar flow casting (PFC) technique. Environmental scanning electron microscopy, X-ray diffraction and Mossbauer spectroscopy proved that the polycrystalline alloy consists of a supersaturated Al matrix and quaternary Al-S-Fe-V dispersoids. The observed single exothermal peak in the differential scanning calorimetry curves was ascribed to partial decomposition of the Al supersaturated solid solution. After prolonged heating at 873 K, the microcrystalline alloy still consists of supersaturated Al matrix with lattice parameter 0.40485(4) nm, reinforced by silicide particles with chemical formula Al-13.18(Fe,V)(1.84)Si and lattice parameter 1.2578(8) nm. (C) 2004 Published by Elsevier B.V.
Subject Keywords
Mechanical Engineering
,
General Materials Science
,
Mechanics of Materials
,
Condensed Matter Physics
URI
https://hdl.handle.net/11511/63317
Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
DOI
https://doi.org/10.1016/j.msea.2003.12.034
Collections
Department of Metallurgical and Materials Engineering, Article