Microwave synthesis of Ni-Zn ferrite powders

被引：2
|
作者：
Costa, ACFM [1 ]
Fagury-Neto, E
Morelli, MR
Kiminami, RHGA
机构：
[1] Univ Fed Paraiba, Dept Mat Engn, BR-58970000 Campina Grande, PB, Brazil
[2] Univ Fed Sao Carlos, Dept Mat Engn, BR-13565905 Sao Carlos, SP, Brazil
来源：
ADVANCED POWDER TECHNOLOGY III | 2003年 / 416-4卷
关键词：
microwave processing; combustion reaction; Ni-Zn ferrite;
D O I：
10.4028/www.scientific.net/MSF.416-418.705
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Microwave energy can provide a novel standpoint in the synthesis of ceramic powders. This work reports the use of microwave energy in the synthesis of Ni-Zn ferrite (Ni0,5Zn0,5Fe2O4) powders by combustion reaction (MWCR). The comparison with powders obtained by conventional combustion reaction was accomplished. XRD, BET, SEM, and helium pycnometer characterized the as-prepared powders. Ni-Zn ferrite prepared by MWCR process can easily yield well-crystallized particles with a large surface area such as 14,5 m(2)/g. Results obtained in this study showed that microwave-assisted combustion reaction (MWCR) is reliable for producing pure and crystalline Ni-Zn ferrite in only 4 min.
引用
收藏
页码：705 / 710
页数：6
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