| Issue |
EPJ Web Conf.
Volume 250, 2021
DYMAT 2021 - 13th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading
|
|
|---|---|---|
| Article Number | 05004 | |
| Number of page(s) | 6 | |
| Section | Metallic Materials | |
| DOI | https://doi.org/10.1051/epjconf/202125005004 | |
| Published online | 09 September 2021 | |
https://doi.org/10.1051/epjconf/202125005004
Effects of elevated temperature on a tungsten alloy at high strain-rate
DynaMat SUPSI Laboratory, University of Applied Sciences and Arts of Southern Switzerland, Via Catenazzi 23, 6850 Mendrisio, Switzerland.
* e-mail: ezio.cadoni@supsi.ch
Published online: 9 September 2021
The effects of elevated temperature at high strain rate of a commercial tungsten alloy were investigated. The tests were carried-out at high strainrate (from 850 to 2200 1/s) by means of a Split Hopkinson Tension Bar device on round specimens having diameter and gauge length of 2mm and 5 mm, respectively. The thermal conditions were obtained by means of a water-cooled induction heating system on the specimen mounted on the SHTB. The dependence of ultimate tensile strength on temperature was found to decrease, while the failure strain increased with temperature. The strain rate linearly growths with the temperature.
© The Authors, published by EDP Sciences, 2021
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