In situthermal observation of explosive compound-formation reaction during mechanical alloying
- 22 January 1990
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 64 (4), 487-490
- https://doi.org/10.1103/physrevlett.64.487
Abstract
The formation of Al-Ni compounds by ball-milling of elemental powders has been investigated by means of in situ thermal analysis, x-ray diffraction, and scanning electron microscopy. The results show that AlNi forms in an explosive, exothermic reaction, driven by the large heat of compound formation. The mechanism discovered is suggested to explain the mechanical alloying of other systems.Keywords
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