Thermomechanical forging of the 105mm XM548 rocket motor body was investigated during this study. Both ausforming and hot-cold working were investigated using 4340 and D6ac steels. Ausforming resulted in the greatest improvement in yield and tensile strength but at a sacrifice in ductility and impact resistance. Hot-cold working appears to be the most desirable processing method for achieving mechanical property improvement with no reduction in ductility and impact strength over conventional quenching and tempering. Machinability tests were also performed to compare machinability of TMT steel with conventional quenched and tempered steel. These results showed machinability of TMT material to be equal to that of conventionally heat treated material.


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    Titel :

    Process studies and fabrication of rocket motor body ausforming process


    Weitere Titelangaben:

    Verfahrensuntersuchung und Fertigung von Raketenmotorgehaeusen nach dem Austenitformhaertungsverfahren


    Beteiligte:
    Gustad, D.O. (Autor:in) / Bell, G.D. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1976


    Format / Umfang :

    54 Seiten


    Medientyp :

    Report


    Format :

    Print


    Sprache :

    Englisch




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