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

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 m...

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Bibliographic Details
Published in:JOM (1989) 2019-07, Vol.71 (7), p.2272-2279
Main Authors: Buzatu, Mihai, Geantă, Victor, Ştefănoiu, Radu, Buţu, Mihai, Petrescu, Mircea-Ionuţ, Ghica, Valeriu-Gabriel, Niculescu, Florentina, Iacob, Gheorghe
Format: Article
Language:English
Subjects:
Biocompatibility
Biomedical materials
Chemical elements
Chemistry/Food Science
Cobalt
Composition-Processing-Microstructure-Property Relationships of Titanium Alloys
Compression tests
Compressive strength
Corrosion resistance
Cracks
Earth Sciences
Electric arc melting
Engineering
Environment
Investigations
Mechanical properties
Metals
Microhardness
Microscopy
Modulus of elasticity
Molybdenum
Physics
Stainless steel
Superplasticity
Surgical implants
Temperature
Titanium alloys
Titanium base alloys
Transplants & implants
Tungsten
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Summary: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.
ISSN:1047-4838
1543-1851
DOI:10.1007/s11837-019-03512-w