• Journal of Inorganic Materials
  • Vol. 38, Issue 10, 1163 (2023)
Yihua HUANG1, Zhengren HUANG1, Wenhao SHA1,2, Yabin ZHOU1..., Zhouxi TAN1,2 and Mingkang ZHANG1|Show fewer author(s)
Author Affiliations
  • 11. State Key Laboratory of High-Performance Ceramics and Ultrastructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
  • 22. College of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing 100049, China
  • show less
    DOI: 10.15541/jim20230126 Cite this Article
    Yihua HUANG, Zhengren HUANG, Wenhao SHA, Yabin ZHOU, Zhouxi TAN, Mingkang ZHANG. Thick SiC Green Bodies: Degreasing Analysis and Pressureless High Density Sintering[J]. Journal of Inorganic Materials, 2023, 38(10): 1163 Copy Citation Text show less
    Schematic diagram of sampling of large thickness SiC bulk ceramics (Unit: mm)
    1. Schematic diagram of sampling of large thickness SiC bulk ceramics (Unit: mm)
    Ion current intensity of silicon carbide powder degreasing products tested by TG-MS
    2. Ion current intensity of silicon carbide powder degreasing products tested by TG-MS
    Weight loss before and after (incomplete) degreasing of surface (a) and core (b) of large thickness SiC bulk
    3. Weight loss before and after (incomplete) degreasing of surface (a) and core (b) of large thickness SiC bulk
    Changes of formaldehyde (a) and benzene (b) ion current intensity before and after incomplete degreasing
    4. Changes of formaldehyde (a) and benzene (b) ion current intensity before and after incomplete degreasing
    Changes of ion current intensity of dimethyl phenol before and after degreasing and incomplete degreasing
    5. Changes of ion current intensity of dimethyl phenol before and after degreasing and incomplete degreasing
    Photo of large thickness bulk SiC ceramics
    6. Photo of large thickness bulk SiC ceramics
    Microstructures of surface (a) and core (b) of large thickness SiC ceramics
    7. Microstructures of surface (a) and core (b) of large thickness SiC ceramics
    Pyrolysis productMolecular weightResultPyrolysis productMolecular weightResult
    Methane16YesNaphthalene128Yes
    Acetylene26NoNaphthalene trimethylphenol136Yes
    Carbon monoxide28YesMethylnaphthalene142No
    Formaldehyde30YesDiphenylmethane168No
    Carbon dioxide44YesDibenzofuran168No
    Benzene78YesAnthracene178No
    Toluene92YesMethyldiphenyl furan182No
    Phenol94YesXanthine182No
    Xylene106YesMethylxanthine196No
    Cresol108YesDimethyl xanthine210No
    Mesitylene120YesTrimethylxanthine224No
    Dimethyl phenol122Yes
    Table 1. Main pyrolysis products of phenolic resin and their molecular weight
    PositionDensity after degreasing/(g·cm-3) Density before degreasing/(g·cm-3)
    A11.841.92
    A21.811.86
    C31.811.89
    E41.831.86
    Table 2. Densities before and after degreasing of different parts of large thickness block bulk
    Yihua HUANG, Zhengren HUANG, Wenhao SHA, Yabin ZHOU, Zhouxi TAN, Mingkang ZHANG. Thick SiC Green Bodies: Degreasing Analysis and Pressureless High Density Sintering[J]. Journal of Inorganic Materials, 2023, 38(10): 1163
    Download Citation