Titanium alloys parts are ideally suited for advanced aerospace systems, chemical and naval applications and surgical implants because of its high strength-to-weight ratio, high resistance to many corrosive environments, and can be used over a wide range of temperatures. Powder metallurgy of titanium and Ti-based alloys may lead to the obtainment of components having weak-to-absent textures, uniform grain structure and higher homogeneity compared with conventional wrought products. In this work, results of the densification of Ti-6Al-4V, Ti-6Al-7Nb and Ti-13Nb-13Zr alloys after cold and isostatic pressing with subsequent densification by sintering between 900-1400°C using hydride titanium powders are presented. The samples were characterized by X-ray diffraction, scanning electron microscopy, Vickers indentation and density measurements. The results showed a higher densification with increasing sintering temperature, densification levels above 90% and the importance of using hydrided titanium powder in the final porosity.


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    Titel :

    Densification of titanium alloys obtained by powder metallurgy


    Weitere Titelangaben:

    Sae Technical Papers



    Kongress:

    SAE Brasil 2010 Congress and Exhibit ; 2010



    Erscheinungsdatum :

    2010-10-06




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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