Investigation on Fragmentation of Pyrophoric Alloy Samples during Taylor Test Using SPH

This study is the first part of a project that aims to assess and model impact-induced energy release (IIER). The present work investigates failure mode brittle commercial pyrophoric alloy samples during Taylor impact tests. A series ferrocerium specimens were shot against tungsten carbide anvils, with velocities ranging between 60 140 m/s. Total Lagrangian SPH was employed simulate deformation fragmentation cylinders using LSDYNA®. modified Johnson-Cook constitutive applied in combination Cockcroft-Latham fracture criterion. plastic process, shear cracking, are well reproduced numerical results.