• Journal of Inorganic Materials
  • Vol. 37, Issue 6, 636 (2022)
Qian XIA, Shihao SUN, Yiliang ZHAO, Cuiping ZHANG*, Hongqiang RU*, Wei WANG, and Xinyan YUE
Author Affiliations
  • Key Laboratory for Anisotropy and Texture of Materials of Ministry of Education, School of Materials Science and Engineering, Northeastern University, Shenyang 110819, China
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    DOI: 10.15541/jim20210452 Cite this Article
    Qian XIA, Shihao SUN, Yiliang ZHAO, Cuiping ZHANG, Hongqiang RU, Wei WANG, Xinyan YUE. Effect of Boron Carbide Particle Size Distribution on the Microstructure and Properties of Reaction Bonded Boron Carbide Ceramic Composites by Silicon Infiltration[J]. Journal of Inorganic Materials, 2022, 37(6): 636 Copy Citation Text show less
    Tap densities of B4C powders with different particle size distributions Groups chosen for further characterization
    1. Tap densities of B4C powders with different particle size distributions Groups chosen for further characterization
    Volume densities and open porosity of green bodies with different particle size distributions
    2. Volume densities and open porosity of green bodies with different particle size distributions
    XRD patterns of RBBC composites with different particle size distributions
    3. XRD patterns of RBBC composites with different particle size distributions
    SEM image of R2 RBBC composite and corresponding EDS analyses of the selected area(%, atom percent)
    4. SEM image of R2 RBBC composite and corresponding EDS analyses of the selected area(%, atom percent)
    SEM images of RBBC composites with different particle size distributions
    5. SEM images of RBBC composites with different particle size distributions
    Vickers hardness of RBBC composites with different particle size distributions
    6. Vickers hardness of RBBC composites with different particle size distributions
    Flexural strength of RBBC composites with different particle size distributions
    7. Flexural strength of RBBC composites with different particle size distributions
    Fracture toughness of RBBC composites with different particle size distributions
    8. Fracture toughness of RBBC composites with different particle size distributions
    GroupDiameter of B4C powders (D50)/μm
    3.514284570120
    110000000
    21540153000
    3332504200
    4263204200
    5402400360
    6302800360
    7332500420
    8400180042
    9300280042
    101914250042
    11201500065
    1200000100
    Table 1. Ratio of B4C raw material powders with different particle size distributions (%, in mass)
    GroupTheoreticalActual
    B4C SiB4C+B12(C,Si,B)3SiCSi
    R154.845.257.314.228.5
    R262.737.363.913.322.8
    R1068.731.367.85.227.0
    R1169.930.169.45.125.5
    R1254.445.653.83.542.7
    Table 2. Phase composition of RBBC composites with different particle size distributions (%, in volume)
    GroupOpen porosity/%Volume density/(g·cm-3)
    R10.162.50
    R20.162.51
    R100.252.50
    R110.222.51
    R120.262.47
    Table 3. Volume densities and open porosities of RBBC composites with different particle size distributions
    Qian XIA, Shihao SUN, Yiliang ZHAO, Cuiping ZHANG, Hongqiang RU, Wei WANG, Xinyan YUE. Effect of Boron Carbide Particle Size Distribution on the Microstructure and Properties of Reaction Bonded Boron Carbide Ceramic Composites by Silicon Infiltration[J]. Journal of Inorganic Materials, 2022, 37(6): 636
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