Machinability Investigation when Drilling Titanium Alloys

Rahim, EA and Sharif, S and Mohruni, Amrifan Saladin and Syed, IA (2005) Machinability Investigation when Drilling Titanium Alloys. In: International Conference on Leading Edge Manufacturing in 21st Century, 19 - 22 October 2005, Nagoya, Japan.

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    Abstract

    Investigation on drilling of two alpha beta titanium series. Ti-6Al-4V and Ti-5Al-4V-0.6Mo-0.4Fe was conducted using WC/Co carbide drill. Tool life, tool failure mode and surface integrity were examined when drilling both alloys at various cutting speeds. Results showed that Ti-6Al-4V exhibited a more superior machinability property in the drilling tests when compared to the Ti-5Al-4V-Mo/Fe alloy system. The tool wear progression when drilling Ti-6Al-4V was significantly lower than that of Ti-5Al-4V-Mo/Fe. Non uniform wear and chipping on the dril were the main tool failure modes when drilling both alloys. Examination on the microstructure of the sub-surface of the drilled surface, indicated that both materials suffered significant plastic deformation at all cutting speeds.

    Item Type: Conference or Workshop Item (Paper)
    Additional Information: The Society permits to print and photocopy a single individual copy of these papers only for personal use in research or educational purpose.
    Subjects: T Technology > TJ Mechanical engineering and machinery
    T Technology > TS Manufactures
    Divisions: Faculty of Engineering > Department of Mechanical Engineering
    Depositing User: Dipl.-Ing. Ir. PhD. Amrifan Saladin Mohruni
    Date Deposited: 13 Oct 2012 19:56
    Last Modified: 13 Oct 2012 19:56
    URI: http://eprints.unsri.ac.id/id/eprint/1358

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