本文探讨了利用微波加热技术碳热还原TiO_2合成TiN工艺的可行性及其机理,并对碳热还原反应热力学进行了分析.实验结果表明,微波碳热还原法合成TiN具有其独特性和优越性.与常规法相比,它不仅能降低合成温度,缩短合成周期,还能细化晶粒,提高粉料活性.
The possibility of manufacture of titanium nitride by microwave carbothermal reduction of titanium oxide was discussed. The mechanism and thermal dynamics of the reaction process was also studied. The resuls showed that the technology has unique advantages compared with the conventional carbothermal reduction method, for example it can not only lower the reaction temperature, shorten the synthesis cycle, but also can refine the powder particles, so the reactivity of the powder is improved.
参考文献
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[2] | 李世普.特种陶瓷工艺学.武汉:武汉工业大学出版社,1990:1412WicksCE,BlockFE.USBurMinesBull,1963:6053WhiteGV,RyanMJ,MackenzieKJD,JohnstonJH.CeramicDevelopment,1988 |
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