| Issue |
EPJ Web Conf.
Volume 183, 2018
DYMAT 2018 - 12th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading
|
|
|---|---|---|
| Article Number | 03004 | |
| Number of page(s) | 4 | |
| Section | Microstructural Effects | |
| DOI | https://doi.org/10.1051/epjconf/201818303004 | |
| Published online | 07 September 2018 | |
https://doi.org/10.1051/epjconf/201818303004
Comparison of dynamic tensile extrusion behaviour of WCu composites made by different processes
1
The 4th Research and Development Institute, Agency for Defence Development,
34186
Daejeon,
Republic of Korea
2
Weapon Systems Engineering, Korea University of Science and Technology,
34113
Daejeon,
Republic of Korea
* Corresponding author: ljparkr@add.re.kr
Published online: 7 September 2018
Composites with 60~90% of tungsten are used in liners of some specialty shaped charges. The penetration is enhanced by a factor against copper for homogeneous steel target. Tungsten powder based shaped charge liners are also especially suitable for oil well completion. In this study, WCu composites manufactured by different process are used for testing of dynamic tensile extrusion (DTE) behaviour. One samples were made by copper infiltrated method. The other samples were manufactured by metal injection molding methods with reduced tungsten copper composite powder. DTE tests were carried out by launching the sphere samples (Dia. 7.62mm) to the conical extrusion die at a speed of ~375m/s. The DTE fragmentation behaviour of tungsten copper composites after soft-recovered were examined and compared with each other.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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