Effect of microwave heating on phase transformations in nanostructured alumina

被引：21
|
作者：
Rybakov, K. I. [1 ]
Eremeev, A. G. [1 ]
Egorov, S. V. [1 ]
Bykov, Yu V. [1 ]
Pajkic, Z. [2 ]
Willert-Porada, M. [2 ]
机构：
[1] Russian Acad Sci, Inst Appl Phys, Nizhnii Novgorod 603600, Russia
[2] Univ Bayreuth, Chair Mat Proc, D-95440 Bayreuth, Germany
来源：
JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2008年 / 41卷 / 10期
关键词：
D O I：
10.1088/0022-3727/41/10/102008
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Microwave influence on phase transformations in nanostructured alumina has been investigated in a comparative study. It has been found that microwave heating results in a lower phase transformation temperature, not affecting other features of the phase transformation process such as grain size and the effect of dopant addition. For the first time, the dependence of the effect on microwave intensity has been characterized quantitatively. Unexpectedly, this dependence turns out to be non-monotonic, and the phase transformation rate reaches its maximum when moderate-intensity microwaves are used for heating.
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页数：4
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