In most air-cooled engines, aluminum cylinder blocks are lined with cast iron, which enjoys a higher wear resistance than aluminum. Recently, rather than a turned periphery, an increasing number of cast iron liners have employed as-cast periphery with projections, so the liner better adheres to the aluminum cylinder block, and improves heat transfer. This study attempts to maximize heat transfer while minimizing cylinder weight, by comparing four liners: (1) a cast iron liner with higher projections on its periphery, (2) a cast iron liner with lower projections, (3) a cast iron liner with lower projections, and aluminum-silicon coated on its periphery by thermal spraying, and (4) a high-silicon aluminum alloy liner with aluminum-silicon coated by thermal spraying. These four experimental liners were fitted in a die-cast low-silicon aluminum-alloy cylinder block, to investigate their joint and cooling characteristics. Results indicate that the aluminum alloy liner with aluminum-silicon coating increased the joint between the liner and the cylinder block, increased cylinder block cooling, and reduced cylinder block weight.


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    Titel :

    Thermal Characterization of Air-Cooled Aluminum Die-Cast Cylinder Blocks with Various Cast Iron and Aluminum Liners


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Kawai, Kiyoyuki (Autor:in) / Nakashima, Kohei (Autor:in) / Yamamoto, Masago (Autor:in) / Yoshida, Masao (Autor:in) / Teramoto, Sumio (Autor:in) / Murakami, Yoshio (Autor:in) / Sakakibara, Yuji (Autor:in)

    Kongress:

    SAE 2011 World Congress & Exhibition ; 2011



    Erscheinungsdatum :

    2011-04-12




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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