The properties of the sintered copper powder liner |
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| Authors: | Nengquan Duan Yonghong Gao Junyuan Wang Wenhua Du Fengying Wang |
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| Affiliation: | 1. School of Mechanical and Power Engineering, North University of China, Taiyuan, 030051, China
2. School of Chemical Engineering and Environment, North University of China, Taiyuan, 030051, China
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| Abstract: | In order to study the properties of sintered copper powder shaped charge liner, the copper powder, whose particle size was below 20 μm, was chosen as the main material. The mixed powders were directly pressed into the desired shape of the shaped charge liner by the top direct-pressure way. The microscopic morphology of the spinning shaped charge liner, the sintered and non-sintered powder liners, and the particle properties of the copper powder were studied with scanning electron microscopy. The experimental results showed that the irregular copper powder could get together effectively and sintering could improve the compactness of the powder liner effectively. The wall thickness and density of the non-sintered and sintered liner were also tested, and it shows that sintering causes the wall thickness thinned and the density improved. The penetration depths of non-sintered powder liner, sintered powder liner and the spinning copper plate liner were tested with different standoff respectively, showing that the penetration properties of sintered powder liner are well. |
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| Keywords: | irregular copper powder powder shaped charge liner sintering penetration |
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