Formation mechanism of ZrB2–Al2O3 nanocomposite powder by mechanically induced self-sustaining reaction

被引：0
|
作者：
M. Jalaly
M. Sh. Bafghi
M. Tamizifar
F. J. Gotor
机构：
[1] Iran University of Science & Technology (IUST),School of Metallurgy and Materials Engineering
[2] Instituto de Ciencia de Materiales de Sevilla (CSIC-US),undefined
来源：
Journal of Materials Science | 2013年 / 48卷
关键词：
Zirconium; Milling; B2O3; Ignition Time; Boron Oxide;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
ZrB2–Al2O3 nanocomposite powder was produced by aluminothermic reduction in Al/ZrO2/B2O3 system. In this research, high energy ball milling was used to produce the necessary conditions to induce a mechanically induced self-sustaining reaction. The ignition time of the composite formation was found to be about 13 min. The synthesis mechanism in this system was investigated by examining the corresponding sub-reactions as well as changing the stoichiometry of reactants. Thermal behavior of the system was also studied.
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页码：7557 / 7567
页数：10
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