A method of microarc oxidation (MO) on aluminium-silicon alloys has been developed to provide a wear-resistant coating for the internal surfaces of an automotive cylinder block cast from aluminium-silicon alloys. The results obtained in this study demonstrate the effect on MO coat quality by a pre-processing heat treatment prior to MO. The treatment is carried out to change the shape and size of the eutectic and/or primary silicon particles to form the required microstructure. This MO method can be applied to improve the wear-resistance of aluminium-silicon alloys provided the necessity of maintaining low wear on the counterbodies contacting with coat is taken into account.


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    Title :

    A Wear-Resistant Coating for Aluminium-Silicon Alloys Using Microarc Oxidation and an Application to an Aluminium Cylinder Block


    Additional title:

    Sae Technical Papers



    Conference:

    SAE 2002 World Congress & Exhibition ; 2002



    Publication date :

    2002-03-04




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English






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