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Microstructural evolution of ball-milled powders made of immiscible elements

TitoloMicrostructural evolution of ball-milled powders made of immiscible elements
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione1998
AutoriAngiolini, M., Mazzone G., Montone Amelia, and Vittori-Antisari M.
RivistaJournal of Computer-Assisted Microscopy
Volume9
Paginazione29-30
ISSN10407286
Parole chiaveBall milling, Crystal microstructure, Immiscible elements, Phase composition, Phase equilibria, Plastic deformation, Powder metals, Scanning electron microscopy, Solid solutions, Solubility, Strain rate, Thermodynamic stability, Transmission electron microscopy
Abstract

The microstructure of several solid systems made of elements displaying a very limited mutual solid solubility at the thermodynamic equilibrium, submitted to high energy ball milling for different times was investigated by transmission electron microscopy (TEM) and scanning electron microscopy (SEM). The systems were Cu-Fe, Cu-Ag, Ag-Fe, and Ag-Co. TEM observations were based on the combined use of microdiffraction and X-ray microanalysis to detect both elements in a single phase grain. The formation of solid solution Cu(Fe) was observed only for the Cu-Fe sample, which locally showed the presence of contrast fluctuations with spinodal decomposition of the metastable solid solution.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-0032022471&partnerID=40&md5=c1174327f036ee3b1e18af1679b37386
Citation KeyAngiolini199829