The reduction of carbon/alumina powder mixture in a flowing nitrogen stream was inve-tigated by the quantitiative analysis of X-ray diffraction.Experimental results indicated that the reaction rate could be increased ...The reduction of carbon/alumina powder mixture in a flowing nitrogen stream was inve-tigated by the quantitiative analysis of X-ray diffraction.Experimental results indicated that the reaction rate could be increased by increasing the nitrogen flow rate ,or treating temperature,The rate was also found to be increased by decreasing the alumina particle size and initial bulk density,And the calcined alumina was sup-posed to be the suitable source of aluminum ox-ide compared with the other types of alumina.The final powder product of AlN was observed by SEM and analyzed by a prticle-size analyzer.展开更多
文摘The reduction of carbon/alumina powder mixture in a flowing nitrogen stream was inve-tigated by the quantitiative analysis of X-ray diffraction.Experimental results indicated that the reaction rate could be increased by increasing the nitrogen flow rate ,or treating temperature,The rate was also found to be increased by decreasing the alumina particle size and initial bulk density,And the calcined alumina was sup-posed to be the suitable source of aluminum ox-ide compared with the other types of alumina.The final powder product of AlN was observed by SEM and analyzed by a prticle-size analyzer.
