Al2O3/mullite/SiC powders synthesized by the microwave-assisted carbothermal reduction of kyanite

被引：0

作者：

Fagury-Neto, E ^{[1
]}

Kiminami, RHGA ^{[1
]}

机构：

[1] 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; carbothermal reduction; aluminosilicate; Al(2)O(3/)mullite/SiC;

D O I：

10.4028/www.scientific.net/MSF.416-418.693

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Al2O3/mullite/SiC powders were synthesized through microwave-assisted carbothermal reduction (MWCR) of kyanite. Kyanite (Al2O3.SiO2), a natural aluminosilicate was mixed to carbon black to achieve a precursor blend, which was reacted in a kitchen microwave oven during 40 minutes, under an inert atmosphere. Some reactions were performed in a conventional furnace in order to compare the resulting powders. XRD and SEM results showed that Al2O3/mullite/SiC phase and particles was attained in only 40 minutes in microwave reaction. Such a product was achieved in temperature ranges about 1400 degreesC.

引用

页码：693 / 698

页数：6

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