Influence of the Striker Material on the Results of High-Speed Impact at a Barrier

• Autorzy: Voitenko Yuri , Zakusylo Roman , Zaychenko Stefan

Identyfikatory

DOI

10.22211/cejem/142615

• Języki publikacji: EN

Abstrakty

EN

In this work the influence of the characteristics of the material of the striker (cumulative jet or projectile), moving at speeds of 2-10 km/s, on the volume of the resulting crater in a metal target, has been studied. The dependence of the crater volume in an aluminum alloy target of Cu-Al, W-Cu-Pb-Al composites, and steel St45 for a PTFE-Cu composite, were investigated. The outer diameter and height of the shaped charges were 26 and 28, and 31 and 33 mm, respectively. The mass of the explosive (phlegmatized hexogen) in these charges was 10 and 18 g. A comparison was made between the ratios of the kinetic energy of the striker to the volume of the crater formed for the composites PTFE-Al, PTFE-Cu, Cu-Al, Ni-Al, W-Cu-Pb, and porous materials Cu and Al. It was demonstrated that the chemical interaction of the components of the porous Cu-Al and Ni-Al composites during penetration into the barrier is possible at an impact velocity of at least 2-3 km/s and a porosity of at least 30%.

Słowa kluczowe

EN

porosity; striker; shaped charge; shock compression; penetration; shock wave front

• Czasopismo: Central European Journal of Energetic Materials
• Rocznik: 2021
• Tom: Vol. 18, no. 3
• Strony: 405--423
• Opis fizyczny: Bibliogr. 27 poz., rys., tab.

Twórcy

autor

Voitenko Yuri

• Ukrainian State Geological Research Institute, Avtozavodskaya 78A, 04114 Kyiv, Ukraine

autor

Zakusylo Roman

• Shostka Institute of Sumy State University, Haharina 1, 41100 Shostka, Ukraine

autor

Zaychenko Stefan

• National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”, Peremohy Avenue 37, 03056 Kyiv, Ukraine

Bibliografia

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Uwagi

In this version, the name of the 3rd co-author was changed from “Sergiy” into “Stefan”.