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    Hot-pressed A12O3–SiC(–C) composites with polycarbosilane as the precursor

    New search for: Shi, Xiaolei
    New search for: Tan, Yi
    New search for: Xu, Fumin
    New search for: Li, Jiayan
    New search for: Dong, Yali
    New search for: Wang, Lai

    AbstractThe processing and mechanical behavior of Al2O3–xSiC (–C) (x=1, 2, 5, 10wt.%, ASx and ASCx) composites prepared by in situ reaction synthesis SiC from polycarbosilane (PCS) were investigated. The composites were densified by hot pressing. The pyrolysis process of PCS, microstructure, phase structure and mechanical properties of sintered composites were analyzed. Fully dense structure was obtained, and it was found that the fracture toughness and strength were highly improved compared with monolithic Al2O3. The fracture toughness reached 5.1MPam1/2 in 1wt.%SiC composite ASC1. AS1 showed 516MPa of flexural strength.

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    Hot-pressed A12O3–SiC(–C) composites with polycarbosilane as the precursor

    New search for: Shi, Xiaolei
    New search for: Tan, Yi
    New search for: Xu, Fumin
    New search for: Li, Jiayan
    New search for: Dong, Yali
    New search for: Wang, Lai

    AbstractThe processing and mechanical behavior of Al2O3–xSiC (–C) (x=1, 2, 5, 10wt.%, ASx and ASCx) composites prepared by in situ reaction synthesis SiC from polycarbosilane (PCS) were investigated. The composites were densified by hot pressing. The pyrolysis process of PCS, microstructure, phase structure and mechanical properties of sintered composites were analyzed. Fully dense structure was obtained, and it was found that the fracture toughness and strength were highly improved compared with monolithic Al2O3. The fracture toughness reached 5.1MPam1/2 in 1wt.%SiC composite ASC1. AS1 showed 516MPa of flexural strength.

    Access

    Check access
    Check availability in my library
    Order at Subito €

    Hot-pressed A12O3–SiC(–C) composites with polycarbosilane as the precursor

    New search for: Shi, Xiaolei
    New search for: Tan, Yi
    New search for: Xu, Fumin
    New search for: Li, Jiayan
    New search for: Dong, Yali
    New search for: Wang, Lai

    AbstractThe processing and mechanical behavior of Al2O3–xSiC (–C) (x=1, 2, 5, 10wt.%, ASx and ASCx) composites prepared by in situ reaction synthesis SiC from polycarbosilane (PCS) were investigated. The composites were densified by hot pressing. The pyrolysis process of PCS, microstructure, phase structure and mechanical properties of sintered composites were analyzed. Fully dense structure was obtained, and it was found that the fracture toughness and strength were highly improved compared with monolithic Al2O3. The fracture toughness reached 5.1MPam1/2 in 1wt.%SiC composite ASC1. AS1 showed 516MPa of flexural strength.

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    Title:

    Hot-pressed A12O3–SiC(–C) composites with polycarbosilane as the precursor

    Contributors:

    Shi, Xiaolei (author) / Tan, Yi (author) / Xu, Fumin (author) / Li, Jiayan (author) / Dong, Yali (author) / Wang, Lai (author)

    Publication date:

    2009-08-23

    Size:

    5 pages

    ISSN:

    0261-3069

    DOI:

    https://doi.org/10.1016/j.matdes.2009.08.034

    Type of media:

    Article (Journal)

    Type of material:

    Electronic Resource

    Language:

    English

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