Ballistic Limit Thickness and Failure of Steel Targets with Different Strengths under EFP Impact

Klavzar, Andreas; Pursche, Frank; Herzig, Norman; Wolf, Thomas M.

doi:10.1016/j.proeng.2017.08.104

Cited by 2 publications

(1 citation statement)

References 6 publications

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“…High-speed machining [11] Strain rate: 10 3 -10 7 s −1 Less impact effect Turning, grinding, milling, sawing, broaching, drilling, etc Ultrasonically-assisted machining [12,13] Strain rate: 10 2 -10 6 s −1 High impact effect Base processes: turning, grinding, milling, sawing, broaching, drilling, honing, etc Shooting [14,15] Strain rate: >10 3 s −1 High impact effect Meteorite impacting on the space station, bullet shooting, split Hopkinson pressure bar (SHPB), artillery shell shooting, etc Explosion [16,17] Strain rate: >10 3 s −1 High impact effect Blasting mining, tunnel blasting, grenade explosion, etc Structure vibration [18][19][20][21] Strain rate: 10 −3 -10 2 s −1 Less impact effect Bridge vibration, structure vibration, machine vibration, etc Tunnel boring [22,23] Strain rate: 10 1 -10 3 s −1 Less impact effect Highway tunneling, high-speed train tunneling, subway tunneling, underwater tunneling, underground shielding, etc leads to the reductions in cutting temperature and cutting force.…”

Section: Processesmentioning

confidence: 99%

Material embrittlement in high strain-rate loading

Yang

Zhang

2019

Int. J. Extrem. Manuf.

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Material embrittlement is often encountered in machining, heat treatment, hydrogen and lowtemperature conditions among which machining is strain-rate related. More strain-rate evoked embrittlement is expected in material loading processes, such as in high-speed machining and projectile penetration. In order to understand the fundamental mechanisms of the strain-rate evoked material embrittlement, this study is concerned with the material responses to loading at high strain-rates. It then explores the strain-rate evoked material embrittlement and fragmentation during high strain-rate loading processes and evaluates various empirical and physical models from different researchers for the assessment of the material embrittlement. The study proposes strain-rate sensitivity for the characterization of material embrittlement and the concept of the pseudo embrittlement for material responses to very high strain-rates. A discussion section is arranged to explore the underlying mechanisms of the strain-rate evoked material embrittlement and fragmentation based on dislocation kinetics.

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