Lattice Thermal Expansion Coefficients of Combustion Synthesized α-Al2O3 Nanoparticles

Journal of Inorganic Materials

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Lattice Thermal Expansion Coefficients of Combustion Synthesized α-Al₂O₃ Nanoparticles

CHU Gang^1,2; ZHAI Xiu-Jing²; FU Yan²; LU Zi-Jian^2,3; BI Shi-Wen²

1. Research Centre of Analysis and Test; Liaoning University of Petroleum & Chemical Technology; Fushun 113001; China; 2.School of Materials & Metallurgy; Northeastern University; Shenyang 110004, China; 3.Henan Branch China Aluminium; Zhengzhou 450041, China

Received:2004-04-02 Revised:2004-06-23 Published:2005-05-20 Online:2005-05-20

Abstract

Abstract: The α-Al₂O₃ nanoparticles were prepared by the combustion synthesis method, The lattice parameters of α-Al₂O₃ were determined by XRD at temperatures ranging from roomtemperature to 1100℃, the thermal expansion coefficients of △α/α₀; △c/c₀ and △V/V₀ per℃ of α-Al₂O₃ lattice were 7.27×10^-6/℃, 7.50×10^-6/℃ and 21.92×10^-6/℃ respectively.

Key words: a-Al₂O₃, nanopartides, combustion synthesis, lattice thermal expansion coefficients, dynamic high temperature powder XRD

CLC Number:

TQ174
O72

CHU Gang,ZHAI Xiu-Jing,FU Yan,LU Zi-Jian,BI Shi-Wen. Lattice Thermal Expansion Coefficients of Combustion Synthesized α-Al₂O₃ Nanoparticles[J]. Journal of Inorganic Materials.

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Lattice Thermal Expansion Coefficients of Combustion Synthesized α-Al₂O₃ Nanoparticles

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