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Thermal-stability and microstructure of the electrodeposited amorphous fe80p18yb2 alloy
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In this article, the thermal stability and microstructure of the electrodeposited amorphous Fe80P18Yb2 alloy have been investigated by means of DSC and TEM.Abstract:
The thermal stability and microstructure of the electrodeposited amorphous Fe80P18Yb2 alloy have been investigated by means of DSC and TEM. The microstructure observation reveals that during the crystallization process crystal grains grow at the cost of clusters. The crystallization kinetics parameters are obtained by J-M-A analysis based on DSC curves with different heating rates. In order to study the effect of adding the rare earth element Yb to amorphous FeP binary alloys, the relative fracture strain-brittleness parameter ϵf and Hruby's Kgl factor of our samples are also calculated in this paper. Results show that both thermal stability and ductility of the amorphous Fe80P18Yb2 alloy are improved considerably compared with that of the amorphous Fe81.5P18.5 alloy. This offers favorable perspectives for the application of amorphous alloys in the future.read more
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^57Fe Mössbauer Spectrometry to explore natural and artificial nanostructures
TL;DR: In this article , the application of Mössbauer spectrometry to the study of both laboratory-made and natural materials, each with relevant specific properties is discussed, and the significant contribution of this local probe technique is underlined for each type of material, allowing a better understanding of the synthesis mechanisms, the chemical and/or physical properties.
References
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Journal ArticleDOI
Evaluation of glass-forming tendency by means of DTA
TL;DR: In this paper, a simple method is described that makes possible fast evaluation of glass-forming tendency on the basis of relative position of the recrystallization, transformation and melting temperatures.
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Magnetic amorphous alloys: physics and technological applications
TL;DR: A review of recent progress in research on magnetic amorphous alloys and critically assesses the present level of understanding of this new class of magnetic materials, focusing mostly on the transition metal-metalloid glasses as mentioned in this paper.
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Stability of amorphous metallic alloys
F. E. Luborsky,J. L. Walter +1 more
TL;DR: In this paper, it was shown that the removal of P by B inhibits the low activation processes involved in the embrittlement process, and the results confirmed the prediction that removal of phosphorus suppresses the embrittlement at low temperatures; temperatures above 225°C are required to cause embrittlements in the phosphorus free alloys.
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A Mössbauer study of amorphous iron-phosphorus alloys
TL;DR: The Mossbauer spectrum of amorphous iron-phosphorus has been measured for alloys having compositions ranging from 15 to 25.8 at% phosphorus as discussed by the authors, which indicated a large number of different iron sites having the same compositional short-range order as the crystal.