Effects of Calcining Temperature and Holding Time on the Synthesis of Aluminum Titanate

We aim in this research at synthesizing high-purity aluminium .titanate with sludge from the aluminium profile factory by shock cooling method, and mainly discuss the effect of calcining reaction temperature and holding time on crystalline, microstructure and content of aluminum titanate materials to determine the preferred calcining temperature and holding time. XRD and SEM methods were utilized to characterize the crystalline and microstructure of each specimen, Rietveld Quantification software was used for the determination of different crystalline contents of specimens, and Philips plus software was applied to determine the cell parameters of aluminium titanate in different specimens. According to the experimental results, preferred calcining temperature is determined as 1400℃ and preferred holding time is 2 h, at which the grains of aluminum titanate grow completely and the purity of aluminum titanate is 97.2wt%.

作 者： SHEN Yang RUAN Yu-Zhong YU Yan   作者單位： College of Materials Science and Technology,Fuzhou University New Campus,Fuzhou,Fujian 350108,China  刊 名： 結(jié)構(gòu)化學(xué)  ISTIC SCI PKU 英文刊名： CHINESE JOURNAL OF STRUCTURAL CHEMISTRY  年，卷(期)： 2009 28(2)  分類號： O6  關(guān)鍵詞： calcining temperature   holding time   Al2TiO5   crystalline structure   microstructure  

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