Figure 8From: Fatigue Resistance and Failure Behavior of Penetration and Non-Penetration Laser Welded Lap JointsFracture morphology of 1.5 mm fatigue fracture plate in 0.8+1.5-N specimen failed at 1.01 × 106 cycle: a overall view of fracture surface, b crack initial extension region near lap interface, c transgranular and intergranular fractures of weld grains at fusion boundary, d ending region of crack growthBack to article page