Effect of Lode angle incorporation into a fracture criterion in predicting the ballistic resistance of 2024-T351 aluminum alloy plates struck by cylindrical projectiles with different nose shapes

• Published in: International journal of impact engineering Vol. 139; p. 103498
• Main Authors: Wang, Yaopei, Chen, Xiaozhen, Xiao, Xinke, Vershinin, Vladislav V., Ge, Ruicong, Li, Dian-sen
• Format: Journal Article
• Language: English
• Published: Oxford Elsevier Ltd 01.05.2020; Elsevier BV
• Subjects: Aluminum alloys; Aluminum base alloys; Antiballistic materials; Ballistic impact tests; Ballistic resistance; Computer simulation; Diameters; Enlargement; Expansion; Experiments; Failure analysis; Failure mechanisms; FE simulation; Finite element method; Fragmentation; Impact velocity; Lode angle; Material properties; Metal plates; Mohr-Coulomb theory; Nose shape; Noses (forebodies); Ordnance; Plugging; Projectiles; Shear; Simulation; Strain hardening; Yield criteria; Ballistic resistance; FE simulation; Lode angle; Nose shape

•Ballistic tests in the sub-ordnance impact velocity range were conducted on 9.94 mm thick 2024-T351 aluminum alloy plates using cylindrical projectiles with blunt, hemispherical and ogival nose shapes, a nominal diameter of 12.66 mm, and a nominal mass of 50 g.•Ballistic limit velocities (BLVs) for...