6061 Aluminum alloy reinforced with 8vol.% SiC particulate composite was produced by P/M processing. Mechanical alloying (MA) technique was used to mill the blended powder under argon. The results of MA processing (particle size distribution, microstructure observation, microhardness measurement) have been investigated with SEM, EDS, OM, XRD. The results show that relatively homogeneous distribution of SiCp reinforcement in the matrix could be obtained by mechanical alloying technique when rotational speed of 400 rpm for 5 h. MA processing has some disadvantages, such as cold worked structure, which decreases the compressibility of powders; contamination of the powder with gaseous elements, iron and possibly carbon which will affect the integrity of sintering. A degassing treatment in H2 after the MA processing could improve the properties of the composites.


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    Titel :

    The effect of mechanical alloying on SiC distribution and the properties of 6061 aluminum composite


    Beteiligte:
    Zhao, Naiqin (Autor:in) / Nash, Philip (Autor:in) / Yang, Xianjin (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2005


    Format / Umfang :

    7 Seiten, 8 Bilder, 1 Tabelle, 14 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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