Experimental Study on Variable-Amplitude Fatigue of Welded Cross Plate-Hollow Sphere Joints in Grid Structures

<div>Microfracture surface of KQ-4-5(I) magnified by 40 times.</div>

Advances in Materials Science and Engineering

Figure 9: Experimental Study on Variable-Amplitude Fatigue of Welded Cross Plate-Hollow Sphere Joints in Grid Structures 