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Journal of Inorganic Materials, Volume. 38, Issue 10, 1183(2023)

Direct Additive Manufacturing of Al2O3-TiCp Composite Ceramics by Laser Directed Energy Deposition

Dongjiang WU1... Ziyuan ZHAO1, Xuexin YU1, Guangyi MA1, Zhulin YOU2, Guanhui REN3,4 and Fangyong NIU1,* |Show fewer author(s)
Author Affiliations
  • 11. State Key Laboratory of High-performance Precision Manufacturing, Dalian University of Technology, Dalian 116024, China
  • 22. Unit 95939 of PLA, Cangzhou 061736, China
  • 33. R&D Department, Shenzhen Xinjinquan Precision Technology Co., Ltd., Shenzhen 518055, China
  • 44. School of Mechanical Engineering, Shandong University, Jinan 250061, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (16)
    Equations (11)
    References (37)
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    Figures & Tables(16)
    SEM morphologies of raw materials for different samples
    1. SEM morphologies of raw materials for different samples

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    Statistical diagram of stomatal rate
    2. Statistical diagram of stomatal rate

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    Vickers indentation and fracture toughness calculation diagram
    3. Vickers indentation and fracture toughness calculation diagram

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    Appearances and enlarged images of the samples
    4. Appearances and enlarged images of the samples

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    Full cross-sections and particle distributions of samples
    5. Full cross-sections and particle distributions of samples

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    Marangoni convection and secondary flow diagram
    6. Marangoni convection and secondary flow diagram

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    Microstructures of the sample
    7. Microstructures of the sample

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    EDS analysis of cross section of sample
    8. EDS analysis of cross section of sample

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    XRD patterns of three kinds of samples
    9. XRD patterns of three kinds of samples

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    Diagram of crack growth and matrix stress
    10. Diagram of crack growth and matrix stress

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    Deflection and obstruction effects of TiC particles on crack growth
    11. Deflection and obstruction effects of TiC particles on crack growth

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    Compactness of the samples
    12. Compactness of the samples

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    Mechanical properties of AT-samples of different proportions
    13. Mechanical properties of AT-samples of different proportions

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    Cracks along the intergranular precipitates
    14. Cracks along the intergranular precipitates

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    Fracture strength of different TiCp proportions AT samples
    15. Fracture strength of different TiCp proportions AT samples

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    • Table 1. Composition and mass fraction of two raw materials powder

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      Table 1. Composition and mass fraction of two raw materials powder

      Al2O3CompositionAl2O3SiO2Fe2O3Na2O CaO
      Content/%>99.90.00410.00210.0014<0.001
      TiCpCompositionTiCpSi/CaK/NaFeAl
      Content/%>99.1<0.01<0.005<0.09<0.01
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    Dongjiang WU, Ziyuan ZHAO, Xuexin YU, Guangyi MA, Zhulin YOU, Guanhui REN, Fangyong NIU. Direct Additive Manufacturing of Al2O3-TiCp Composite Ceramics by Laser Directed Energy Deposition [J]. Journal of Inorganic Materials, 2023, 38(10): 1183

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    Paper Information

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    Received: Jan. 9, 2023

    Accepted: --

    Published Online: Mar. 6, 2024

    The Author Email: NIU Fangyong (niufangyong@dlut.edu.cn)

    DOI:10.15541/jim20230013

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology