The results of laboratory investigations and shop experience related to the machining of the alloy systems of columbium, molybdenum, tantalum, and tungsten are presented. Material properties and their relationships to maching characteristics are discussed, as are certain economic aspects of shop practice. Empirical data are presented to illustrate and quantify the more significant characteristics, and conclusions are drawn for appropriate shop maching conditions. In general, these metals are very difficult to machine; the most notable exceptions are the infiltrated forms of tungsten, whose extraordinary maching characteristics approach those of the light metals, and the molybdenum group, which are readily machinable by certain processes. However, grinding any of the refractory metals is slow and difficult, and very smooth finishes are exceedingly difficult to obtain.


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    Titel :

    MACHINING CHARACTERISTICS OF THE REFRACTORY METAL SYSTEMS OF COLUMBIUM, MOLYBDENUM, TANTALUM, AND TUNGSTEN


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Stewart, I. J. (Autor:in) / Arzt, P. R. (Autor:in)

    Kongress:

    Pre-1964 SAE Technical Papers ; 1906



    Erscheinungsdatum :

    1963-01-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch