Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1612144 | Journal of Alloys and Compounds | 2014 | 6 Pages |
Abstract
Nanocrystalline zirconium diboride (ZrB2) powder was produced by mechanochemistry from the magnesiothermic reduction in the Mg/ZrO2/B2O3 system. The use of high-energy milling conditions was essential to induce a mechanically induced self-sustaining reaction (MSR) and significantly reduce the milling time required for complete conversion. Under these conditions, it was found that the ignition time for ZrB2 formation was only about a few minutes. In this study, the mechanism for the formation of ZrB2 in this system was determined by studying the relevant sub-reactions, the effect of stoichiometry, and the thermal behavior of the system.
Related Topics
Physical Sciences and Engineering
Materials Science
Metals and Alloys
Authors
M. Jalaly, M.Sh. Bafghi, M. Tamizifar, F.J. Gotor,