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LI Rui-yong, LI Xiao-jie, WEN Ji-ming, CHEN Tao, XIE Xing-hua, QU Yan-dong. Effect of Temperature on Crystal and Crystal Granularity of Nanometer Aluminum Oxide Synthesized by Detonation[J]. Development and Application of Materials, 2005, 20(5): 5-7. DOI: 10.19515/j.cnki.1003-1545.2005.05.002
Citation: LI Rui-yong, LI Xiao-jie, WEN Ji-ming, CHEN Tao, XIE Xing-hua, QU Yan-dong. Effect of Temperature on Crystal and Crystal Granularity of Nanometer Aluminum Oxide Synthesized by Detonation[J]. Development and Application of Materials, 2005, 20(5): 5-7. DOI: 10.19515/j.cnki.1003-1545.2005.05.002
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Effect of Temperature on Crystal and Crystal Granularity of Nanometer Aluminum Oxide Synthesized by Detonation

  • 1. State Key Laboratory of Structural Analysis for lndustry Equipment, Dalian University of Technology, Dalian 116023, China;

  • 2. Dalian Petrochemical Corporation of Chinese Petroleum, Dalian 116023, China

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  • Received Date: April 17, 2005
  • Available Online: June 14, 2024
    Graphical Abstract
    • Abstract
  • Globular nanometer γ aluminum oxide powder was synthesized through detonation of aluminum nitrate.The experimental powder samples were heated from room temperature to 600℃、800℃、900℃、1000℃、1100℃ and 1300℃ respectively for sintering,and then were analysed by means of XRD to investigate the crystal granularity of the powder samples sintered at different temperature.The curves of XRD manifested that with the sintering temperature rising,the aluminum oxide changed from γ to δ,then to θ,and then to α and the grain of the nanometer aluminum oxide was refined.The most grain refinement appeared at 800~1000℃.
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