Abstract
Effects of impact velocity on the dynamic fragmentation of rigid-brittle projectiles and ceramic composite armors
Highlights
Ceramic/metal composite target (Madhu et al, 2005; Savio et al, 2017; Wang et al, 2013) has become one of the main protective structures under the lightweight requirements of military equipment such as aircraft and armored vehicles
The cores of 7.62mm armor piercing incendiary (API) projectiles have been found to have similar material properties, these projectiles may come from different countries (Chocron, 2001; Iqbal et al, 2016; Kılıç and Ekici, 2013)
The effect of ballistic impact on ceramic fracture was similar under different impact velocities of projectiles
Summary
Ceramic/metal composite target (Madhu et al, 2005; Savio et al, 2017; Wang et al, 2013) has become one of the main protective structures under the lightweight requirements of military equipment such as aircraft and armored vehicles. The ceramic/metal armor is composed of a ceramic faceplate, a metal backplate, and the adhesive layer between them. This lightweight armor combines the advantages of the hardness of ceramics and the toughness of metal. The major penetrator is the hard-steel core, which shows two completely different characteristics when penetrating metal targets and ceramic composite armors. When penetrating ceramic composite armors (Madhu et al, 2005; Rahbek and Johnsen, 2019; Savio et al, 2011; Savio et al, 2015), the hard-steel core will break into fragments of different sizes, showing the characteristics of brittle fracture. It is important to study the fragmentation characteristics of the rigid-brittle core when it penetrates ceramic composite armor
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