, Volume 71, Issue 7, pp 2272–2279 | Cite as

Influence of the Tungsten Content on the Elastic Modulus of New Ti-15Mo-W Alloys Intended for Medical Applications

  • Mihai Buzatu
  • Victor Geantă
  • Radu Ştefănoiu
  • Mihai Buţu
  • Mircea-Ionuţ Petrescu
  • Mihai Buzatu
  • Valeriu-Gabriel Ghica
  • Florentina Niculescu
  • Gheorghe IacobEmail author
Composition-Processing-Microstructure-Property Relationships of Titanium Alloys


A study has been carried out on the elastic modulus of cast ternary Ti-15Mo-W alloys (containing 4 up to 11 wt.% W). Tungsten was added to the Ti-15Mo alloy to improve the mechanical properties. The influence of tungsten content on the elastic modulus is discussed more thoroughly, along with other mechanical properties. Samples were obtained by successive melting using pure metals in vacuum arc re-melting equipment. The alloy microstructure proved to be homogeneous showing the β-phase predominance. The modulus of elasticity was determined by mechanical compression tests. The samples showed no cracks, having super-plasticity characteristics similar to other titanium alloys. According to the tests, the samples showed good mechanical properties. The values obtained ranged from 248–327 HV for microhardness, 782–921 MPa for compressive strength and 17.86–45.35 GPa for the elastic modulus.



This work has been supported by The National Grant GNaC2018 ARUT. We hereby acknowledge the research funds project GNaC2018 ARUT (Internal No. SM 35-18-02/2018) for providing the infrastructure used in this work and the project.

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary material

11837_2019_3512_MOESM1_ESM.docx (13 kb)
Supplementary material 1 (DOCX 13 kb)


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Copyright information

© The Minerals, Metals & Materials Society 2019

Authors and Affiliations

  • Mihai Buzatu
    • 1
  • Victor Geantă
    • 2
  • Radu Ştefănoiu
    • 2
  • Mihai Buţu
    • 2
  • Mircea-Ionuţ Petrescu
    • 2
  • Mihai Buzatu
    • 2
  • Valeriu-Gabriel Ghica
    • 2
  • Florentina Niculescu
    • 2
  • Gheorghe Iacob
    • 2
    Email author
  1. 1.Emergency University HospitalBucharestRomania
  2. 2.Faculty of Materials Science and EngineeringUniversity “Politehnica” of BucharestBucharestRomania

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