Constitutive modeling and hot deformation processing map of a new biomaterial Ti–14Cr alloy

A new biomaterial Ti–14Cr alloy was designed for biomedical applications. The manufacturing process of Ti alloys through hot deformation is crucial controlling the grain structure and mechanical performance alloy. In present study, several compression tests at elevated temperatures (1123–1273 K) strain rate ranges 0.01–10 s−1 were conducted using a Gleeble-3800 thermomechanical simulator. processing map studied constructed principles dynamic material model to evaluate workability mechanisms different temperature rate. resulting correlated with map. showed that adiabatic shear bands are expected form low (1123–1223 moderate high rates (1–10 s−1), whereas nucleation wedge cracks likely develop boundary (1248–1273/0.01 s−1). Consequently, deterministic domain in 1148–1273 K 0.01–0.1 s−1, respectively, identified as recrystallization peak efficiency order ∼70% 1173 K/0.01 these considered be optimum parameters deformation. constitutive flow behavior modeled based on hyperbolic–sinusoidal Arrhenius-type equations, mathematical relation used elucidate influence true constants.