This paper describes the modification of surface roughness and lay of cobalt chromium alloy femoral knee components by magnetic abrasive finishing (MAF), including clarification of the MAF surface-processing mechanisms. The MAF process creates characteristic surfaces by micro-cutting of abrasive pressed by magnetic particles that nearly conform to the surface, removing large asperities and creating microasperities compared to hand-buffed surfaces. The process enables smoothing the surface on the nanometer scale with critical control of surface lay (e.g., crosshatch angle), altering the contact angle of water by a combination of kinematic behavior of magnetic particles over the freeform condyle surface.


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    Title :

    Surface finishing of cobalt chromium alloy femoral knee components


    Contributors:

    Published in:

    CIRP Annals ; 63 , 1


    Publication date :

    2014


    Size :

    4 Seiten, 18 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English