Research Article

High Frequency Vibration Fatigue Behavior of Ti6Al4V Fabricated by Wire-Fed Electron Beam Additive Manufacturing Technology

Figure 12

Microphotographs showing the fatigue crack path in the PM that traverses along the primary α boundaries in the bimodal microstructure of the wrought Ti6Al4V plate: (a) stitched image of crack, (b) crack initiation region, and (c) relatively straight crack path without deflections.