The influence of thermal effects on elastoplastic properties of Ti/Cu bimetal bars obtained by extrusion

The article presents the results of the study of the elastic-plastic properties of bimetallic titanium/copper rods subjected to short-term thermal action in the temperature range of 600 C-900 C. The study used the impulse vibration excitation technique and a quasi-static tensile test.The final stage of the study was a microscopic SEM analysis of the interface.Macroscopic observations of the destruction surface were also carried out.Short-term annealing of the Ti/Cu bimetal caused a decrease in strength and proof stress, as well as an increase in ductility and diffusion.The destructive and dangerous processes were mainly at a temperature of 900 C.