Research on the Dynamic Compressive Deformation Behavior of 3D-Printed Ti6Al4V

In this paper, the plastic flow and fracture behavior of 3D-printed Ti6Al4V (TC-4) alloy under different temperatures (289–1073 K) strain rates (0.1–4100 s−1) were studied by using MTS comprehensive experimental machine (MTS) split Hopkinson pressure bar (SHPB) equipment. The patterns influence temperature rate on materials in printing directions analyzed compared with those traditional TC-4. Based data, modified Johnson–Cook (J-C) constitutive model TC-4 was established, deformation material driven detonation X-ray photography. research results showed that static loading conditions, strength (AM-P-TC-4) along direction much higher than perpendicular to (AM-T-TC-4). However, there no difference for dynamic loading. Second, same considerably alloy, but adiabatic shear could be more easily induced compressive conditions its substantially less alloys. J-C established paper better describe AM-P-TC-4 high high-strain conditions.