Comparison of dynamic tensile extrusion behaviour of WCu composites made by different processes

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Abstract

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.

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Park, L., Woo, S., Lee, Y., Lee, K., & Sun Yi, Y. (2018). Comparison of dynamic tensile extrusion behaviour of WCu composites made by different processes. In EPJ Web of Conferences (Vol. 183). EDP Sciences. https://doi.org/10.1051/epjconf/201818303004

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