| Issue |
EPJ Web of Conferences
Volume 26, 2012
DYMAT 2012 - 10th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading
|
|
|---|---|---|
| Article Number | 01024 | |
| Number of page(s) | 6 | |
| Section | Experimental Techniques | |
| DOI | https://doi.org/10.1051/epjconf/20122601024 | |
| Published online | 31 August 2012 | |
https://doi.org/10.1051/epjconf/20122601024
High strain rate and quasi-static tensile behaviour of Ti-6Al-4V after cyclic damage
Ghent University
a e-mail: Jesus.GalanLopez@UGent.be
It is common that energy absorbing structural elements are subjected to a number of loading cycles before a crash event. Several studies have shown that previous fatigue can significantly influence the tensile properties of some materials, and hence the behaviour of structural elements made of them. However, when the capacity of absorbing energy of engineering materials is determined, fresh material without any fatigue damage is most often used. This study investigates the effect of fatigue damage on the dynamic tensile properties of Ti-6Al-4V in thin-sheet form. Results are completed with tests at quasi-static strain rates and observations of the fracture surfaces, and compared with results obtained from other alloys and steel grades. The experiments show that the dynamic properties of Ti-6Al-4V are not affected by a number of fatigue loading cycles high enough to significantly reduce the energy absorbing capabilities of EDM machined samples.
© Owned by the authors, published by EDP Sciences, 2012
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