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溶胶-凝胶法制备Y₃Al₅O₁₂粉体的研究

Study on the Powder of Y₃Al₅O₁₂ Prepared by a Sol-gel Process

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【Author】 HUANG Fei,DONG Li-min,YAN Ai-hua,ZHANG Xian-you (Material Science & Engineering College,Haerbin University of Science and Techno logy,Haerbin 150040)

【机构】哈尔滨理工大学材料科学与工程学院；哈尔滨理工大学材料科学与工程学院哈尔滨150040；哈尔滨150040；哈尔滨150040；

【摘要】本文以Y2 O3、硝酸铝以及柠檬酸为起始原料 ,采用溶胶 -凝胶法合成了YAG粉体 ,研究了烧成温度及烧成时间对YAG粉体形成的影响 ,并利用SEM和XRD等实验技术对粉体进行了表征。结果表明 ,用溶胶 -凝胶法成功地合成了纳米YAG粉体 ( 5 0～ 70nm) ,且随着烧结温度的升高和烧结时间的延长 ,颗粒尺寸不断增大。更多还原

【Abstract】 YAG was synthesized by using Y 2O 3,Al(NO 3) 3·9H 2O and C 6H 8O 7·H 2O as starting materials via a sol-gel process.The influence of sintered temp erature and time were investigated.The particles were characterized by SEM and X R D,etc.Results show that the nanometer sized powder of YAG(50～70nm)was synthesi z ed successfully by a sol-gel process.The size of powder increase with the incre asing of sintered temperature and time.更多还原