This paper describes a new ceramic particle-reinforced aluminum composite that can be cast, extruded, and forged much like unreinforced aluminum, using conventional aluminum fabrication equipment. Unlike other metal matrix composites, this material is produced economically by a simple ingot-metallurgical process. An overview of the production process is given, and of the techniques used for fabricating the material to intermediate and final product forms. The material's mechanical properties--particularly its improved stiffness, strength, wear resistance, and lower coefficient of thermal expansion--are discussed in some detail. These properties offer attractive design opportunities for a variety of automotive casting and forging applications, such as pistons, connecting rods, valves, cylinder liners, and suspension members. A survey of current progress in the development and testing of such components is given.


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    Title :

    Production, Mechanical Properties, and Automotive Applications of a Castable Composite Material


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    International Congress & Exposition ; 1990



    Publication date :

    1990-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English






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