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

<div>Microfracture surface of KQ-4-5(II) magnified by 500 times.</div>

Advances in Materials Science and Engineering

Figure 12: Experimental Study on Variable-Amplitude Fatigue of Welded Cross Plate-Hollow Sphere Joints in Grid Structures 