Journal of Inorganic Materials, Volume. 37, Issue 3, 353(2022)

Effect of Solid Loading on the Property of Al2O3 Ceramics in Stereolithographic Additive Manufacturing

Guoqian LIU1... Changhai YAN1, Keqiang ZHANG2, Hua JIN3 and Rujie HE2,* |Show fewer author(s)
Author Affiliations
  • 11. Science and Technology on Space Physics Laboratory, China Academy of Launch Vehicle Technology, Beijing 100076, China
  • 22. Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing 100081, China
  • 33. School of Aerospace Engineering, Xiamen University, Xiamen, 361005, China
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    Figures & Tables(9)
    (a, b) Schematic diagram of slicing model and (c, d) green bodies of rectangular bar and cylinder
    (a) Apparent viscosity and (b) shear stress vs shear rate curves of photosensitive Al2O3 slurries with different solid loadings (c) relative viscosity dependence on solid loading at the shear rate of 200 s-1
    Curing thickness vs exposure time of Al2O3 slurries with different solid loadings
    Flexural strength and relative density of sintered Al2O3 ceramics varied with solid loading
    Fracture microstructures of sintered Al2O3 ceramics (a) A45; (b) A50; (c, d) A55; (e) A60; (f) A65
    (a) Curing thickness vs logarithm of input density of energy, (b) depth of penetration, critical density of energy and interparticle spacing vs solid loading for Al2O3 slurries
    X-CT reconstructed images of sintered Al2O3 ceramics (a) A45; (b) A50; (c) A55; (d) A60; (e) A65
    Linear shrinkage of the rectangular Al2O3 sintered ceramics in different directions
    • Table 1.

      Herschel-Bulkley model parameters of Al2O3 slurries

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      Table 1.

      Herschel-Bulkley model parameters of Al2O3 slurries

      Solid loading /% (in volume) τ0/Pa KnR2
      451.242430.418550.995960.99825
      501.436140.373971.094760.99871
      551.771480.374811.140810.99883
      602.261340.577501.250220.99975
      653.970741.878451.227980.99992
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    Guoqian LIU, Changhai YAN, Keqiang ZHANG, Hua JIN, Rujie HE. Effect of Solid Loading on the Property of Al2O3 Ceramics in Stereolithographic Additive Manufacturing [J]. Journal of Inorganic Materials, 2022, 37(3): 353

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    Paper Information

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    Received: Oct. 17, 2021

    Accepted: --

    Published Online: Nov. 16, 2022

    The Author Email: HE Rujie (herujie@bit.edu.cn)

    DOI:10.15541/jim20210636

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