Microstructure and tensile properties of DD32 single crystal Ni-base superalloy repaired by laser metal forming

Shiwei Ci^a^,^b, Jingjing Liang^a^,^c^,^d^,^*(

), Jinguo Li^a^,^d, Yizhou Zhou^a^,^*(

), Xiaofeng Sun^a

Fig. 5.. SEM images of porosity at substrate area (a) and deposited area (b).