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Journal of Inorganic Materials, Volume. 38, Issue 10, 1223(2023)

Fabrication and Properties of AlN-SiC Multiphase Ceramics via Low Temperature Reactive Melt Infiltration

Xiaofan SUN1...2, Xiaowu CHEN1,2, Xihai JIN1,2,*, Yanmei KAN1,2, Jianbao HU1,2, and Shaoming DONG12,* |Show fewer author(s)
Author Affiliations
  • 11. State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
  • 22. Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
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    Figures & Tables(8)
    SEM images of porous C-Si3N4 infiltration preforms with different carbon contents(a, b) Low carbon content preform (LCP); (c, d) High carbon content preform (HCP)
    1. SEM images of porous C-Si3N4 infiltration preforms with different carbon contents(a, b) Low carbon content preform (LCP); (c, d) High carbon content preform (HCP)

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    Mercury porosimetry curves of the C-Si3N4 infiltration preforms with different carbon contents(a) Cumulative volume percentage vs pore diameter; (b) Incremental intrusion vs pore diameter
    2. Mercury porosimetry curves of the C-Si3N4 infiltration preforms with different carbon contents(a) Cumulative volume percentage vs pore diameter; (b) Incremental intrusion vs pore diameter

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    SEM image and EDS line scanning of the melt/preform interface region in the post melt infiltrated Si-Al/C-Si3N4 system, using (a, b) Si-Al ingot and (c, d) Si-Al powder as infiltration mediumColorful figures are available on the website
    3. SEM image and EDS line scanning of the melt/preform interface region in the post melt infiltrated Si-Al/C-Si3N4 system, using (a, b) Si-Al ingot and (c, d) Si-Al powder as infiltration mediumColorful figures are available on the website

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    (a) XRD patterns of AlN-SiC multiphase ceramics prepared from different types of C-Si3N4 preform, and (b) changes of standard Gibbs free energy of reaction (3-6) as a function of temperatures calculated with HSC 6.0 software
    4. (a) XRD patterns of AlN-SiC multiphase ceramics prepared from different types of C-Si3N4 preform, and (b) changes of standard Gibbs free energy of reaction (3-6) as a function of temperatures calculated with HSC 6.0 software

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    SEM images of AlN-SiC multiphase ceramics prepared from different C-Si3N4 preforms and their corresponding EDS mapping(a-e) Low carbon content preform; (f-j) High carbon content preform
    5. SEM images of AlN-SiC multiphase ceramics prepared from different C-Si3N4 preforms and their corresponding EDS mapping(a-e) Low carbon content preform; (f-j) High carbon content preform

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    Thermal diffusivity (a), specific heat (b) and thermal conductivity (c) of AlN-SiC ceramics prepared from the LCP and HCP preforms
    6. Thermal diffusivity (a), specific heat (b) and thermal conductivity (c) of AlN-SiC ceramics prepared from the LCP and HCP preforms

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    • Table 1.

      Chemical composition of the slurries used for different types of C-Si3N4 infiltration preform preparation

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      Table 1.

      Chemical composition of the slurries used for different types of C-Si3N4 infiltration preform preparation

      MaterialMass percent of LCP/% Mass percent of HCP/%
      α-Si3N420.1715.66
      Carbon black8.656.71
      Phenolic resin17.2926.85
      Dibutyl phthalate (DBP)5.764.47
      Polyvinyl butyral (PVB)7.205.59
      Castor oil0.580.45
      Ethanol absolute40.3540.27

    • Table 2.

      Density and mechanical properties of AlN-SiC multiphase ceramics prepared from different types of C-Si3N4 preform

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      Table 2.

      Density and mechanical properties of AlN-SiC multiphase ceramics prepared from different types of C-Si3N4 preform

      Preform type Bulk density/(g·cm-3) Hardness/GPaBending strength/MPa
      LCP2.8312.8±0.2198.3±4.6
      HCP2.9516.9±0.4320.1±25.1
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    Xiaofan SUN, Xiaowu CHEN, Xihai JIN, Yanmei KAN, Jianbao HU, Shaoming DONG. Fabrication and Properties of AlN-SiC Multiphase Ceramics via Low Temperature Reactive Melt Infiltration [J]. Journal of Inorganic Materials, 2023, 38(10): 1223

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    Paper Information

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    Received: Feb. 22, 2023

    Accepted: --

    Published Online: Mar. 6, 2024

    The Author Email: JIN Xihai (jinxihai@hotmail.com), DONG Shaoming (smdong@mail.sic.ac.cn)

    DOI:10.15541/jim20230091

    Topics

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