Fig. 4From: Effect of Annealing on Microstructures and Hardening of Helium-Hydrogen-Implanted Sequentially Vanadium AlloysMicrostructures of V-4Cr-4Ti alloys after post-irradiation annealing treatment at 450 °C for 30 h. a Bubbles of bright field. b Dislocation lines of high-resolution imagesBack to article page