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Erschienen in:
01.07.2010
Producing ternary intermetallic compounds powders by solid–liquid reaction ball milling
Erschienen in: Journal of Materials Science | Ausgabe 13/2010
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Abstract
A novel mechanochemistry approach, defined as solid–liquid reaction ball milling, was applied to obtain single-phase Al–Cu–X (X = Fe, Co, and Ni) ternary intermetallic compound powders by reactions between milling medium (ball and cylinder) and liquid-state metals in certain temperature range, where the milling mediums made of metals with high-melting point and took part in the reaction as the solid-state reactants. Compared with the conventional mechanical milling technique, nanometer-sized intermetallic compound powders and some single-phase ternary intermetallic phases could be obtained at lower temperatures by the solid-state reaction ball milling. Furthermore, the reaction mechanisms of this mechanochemical approach have been discussed in details.