• Journal of Inorganic Materials
  • Vol. 38, Issue 10, 1200 (2023)
Junyi GU1、2, Wugang FAN1, Zhaoquan ZHANG1、*, Qin YAO1、*, and Hongquan ZHAN2
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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    DOI: 10.15541/jim20230072 Cite this Article
    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 Copy Citation Text show less
    XRD patterns of T0 powder and powders calcined at different temperatures in Ar/H2 atmosphere
    1. XRD patterns of T0 powder and powders calcined at different temperatures in Ar/H2 atmosphere
    XRD patterns of PrAlO3 ceramics with different TEOS concentrations
    2. XRD patterns of PrAlO3 ceramics with different TEOS concentrations
    Change of relative density with sintering temperature of samples with different concentrations of TEOS
    3. 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
    4. 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
    5. 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
    6. Relationship between average grain size and sintering temperature for T4 samples
    Thermophysical property of sample T4 sintered at different temperatures
    7. Thermophysical property of sample T4 sintered at different temperatures
    Fluorescence emission spectrum of T4 sintered at 1500 ℃
    8. Fluorescence emission spectrum of T4 sintered at 1500 ℃
    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 1. Mechanical property of PrAlO3 prepared at different sintering temperatures
    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
    Table 2. Thermal expansion coefficient and thermal conductivity parameters of different control rods at 360 ℃
    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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