Titanium is used in aerospace due to superior strength to weight

Titanium is used in aerospace due to superior strength to weight
SMARTi- Microstructure and
mechanical properties of additive
manufactured Ti-6Al-4V
Magnus Neikter, Engineering Materials
[email protected]
Supervisor: Marta-Lena Antti
Titanium is used in aerospace due to superior strength to weight ratio. The most
widely used Ti alloy is Ti-6Al-4V, which was invented in the 1950’s and has since then,
apart from in aerospace components, been used in medical devices and prostheses
because of its biocompatibility and corrosion resistance.
Additive manufacturing (AM) is a new manufacturing process where complex shapes are
built in a layer by layer fashion. There are several types of AM processes, with different
energy sources and material deposition techniques and it can be used for various aims:
•
•
•
Reparation of components
Surface coating
Fabrication of high complexity parts in low volumes
This project will investigate the use of this promising method for producing the next generation
Ti components for the Ariane 6 rocket. The scope is to characterize and to validate the material
parameters of AM:ed Ti-6Al-4V. To achieve knowledge and understanding of the material
behavior, the microstructure is being characterized and correlated to the mechanical
properties. The influence of hydrogen is also being investigated.
In collaboration with:
Additive manufactured Ti-64 showing
microstructure variations.
Electron Back Scatter Diffraction
showing crystal orientations.
(SMARTi stands for “Samband mellan additiv Metalldeponeringsprocess, mikrostruktur och mekAniska egenskapeR förTi-6Al-4V)
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