Journal of Inorganic Materials, Volume. 38, Issue 10, 1200(2023)

Preparation and Thermal Property of PrAlO3 Ceramics

Junyi GU1...2, Wugang FAN1, Zhaoquan ZHANG1,*, Qin YAO1,* and Hongquan ZHAN2 |Show fewer author(s)
Author Affiliations
  • 11. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
  • 22. School of Materials Science and Engineering, Jingdezhen Ceramic University, Jingdezhen 333403, China
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    Figures & Tables(10)
    XRD patterns of T0 powder and powders calcined at different temperatures in Ar/H2 atmosphere
    XRD patterns of PrAlO3 ceramics with different TEOS concentrations
    Change of relative density with sintering temperature of samples with different concentrations of TEOS
    SEM-EDS image and elemental distributions of of PrAlO3 sintered at 1200 ℃ in Ar/H2 atmosphere
    SEM images of (a-d) areal surface and (a′-d′) fractural surface of T4 samples sintered at different temperatures
    Relationship between average grain size and sintering temperature for T4 samples
    Thermophysical property of sample T4 sintered at different temperatures
    Fluorescence emission spectrum of T4 sintered at 1500 ℃
    • Table 1. Mechanical property of PrAlO3 prepared at different sintering temperatures

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      Table 1. Mechanical property of PrAlO3 prepared at different sintering temperatures

      Sintering temperature/℃Bending strength/MPaFracture toughness/(MPa·m1/2) Vickers hardness/GPaAverage grain size/μm
      150088.47±4.140.81±0.027.95±0.435.51±1.84
      160095.55±4.620.92±0.067.75±0.2815.40±5.02
    • Table 2. Thermal expansion coefficient and thermal conductivity parameters of different control rods at 360 ℃

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      Table 2. Thermal expansion coefficient and thermal conductivity parameters of different control rods at 360 ℃

      MaterialDensity/(g·cm-3) Thermal expansion coefficient/(×10-6, K-1) Thermal conductivity/ (W·m-1·K-1)
      PrAlO36.699.35.0
      GdAlO3[31]6.644.8±0.23.5±0.1
      Tb2TiO5[32]6.896.8±0.21.3±0.1
      B4C[33]2.253.7±0.19.8±0.1
      Ag-In-Cd[34,35]10.1822.5(25~500 ℃)92.0±1.0
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    Junyi GU, Wugang FAN, Zhaoquan ZHANG, Qin YAO, Hongquan ZHAN. Preparation and Thermal Property of PrAlO3 Ceramics [J]. Journal of Inorganic Materials, 2023, 38(10): 1200

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    Paper Information

    Category:

    Received: Feb. 13, 2022

    Accepted: --

    Published Online: Mar. 6, 2024

    The Author Email: ZHANG Zhaoquan (zhangzq@mail.sic.ac.cn), YAO Qin (yaoqin@mail.sic.ac.cn)

    DOI:10.15541/jim20230072

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