High resolution electron microscopy observation of TiC coated cemented carbide

Tetsuya Suzuki, Masaru Yagi, Kunio Shibuki, Toshiyuki Suzuki, Yuichi Ikuhara

    研究成果: Article査読

    3 被引用数 (Scopus)


    Cemented carbide (WC-6%Co) inserts were coated with 3-4 μm TiC by chemical vapor deposition at 1200 °C. High resolution electron microscopic observation showed the presence of Co6W6C (n1-phase) around the interface WC-Co, on top of which a TiC film 50-100 nm in size was observed. There was no particular crystallographic orientation relationship between the n1-phase and TiC films. The presence of W atoms in the films was confirmed using EDX by focusing an electron beam of size approximately 5 nm. In addition, the Σ = 2 boundary, which was attributed to the identical c/a ratio of WC, was observed between WC-WC grains.

    ジャーナルSurface and Coatings Technology
    出版ステータスPublished - 1996 2

    ASJC Scopus subject areas

    • Chemistry(all)
    • Condensed Matter Physics
    • Surfaces and Interfaces
    • Surfaces, Coatings and Films
    • Materials Chemistry

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