Advances in Materials Science and Engineering / 2018 / Article / Tab 4

Research Article

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

Table 4

The test results of welded cross plate-hollow sphere joints under constant amplitude load.

Specimen label (MPa) (MPa) (MPa)

KQ-4-235.313.9731.341.50100.476.000.113
KQ-4-425.382.9922.391.35104.036.020.118
KQ-4-623.392.7920.601.312006.300.119
KQ-5-126.923.0323.891.3890.275.960.113
KQ-5-248.9614.6934.271.5365.415.820.300
KQ-5-343.5213.0530.471.4862.715.800.300
KQ-5-846.544.6541.881.6246.115.660.100
KQ-5-1395.647.847.81.6815.725.200.500
KQ-5-1849.084.9144.171.6523.705.370.100
KQ-6-1457.728.828.81.46106.376.030.500
KQ-6-1765.332.732.71.5172.85.860.500
KQ-7-132.353.6828.661.4687.275.940.114
KQ-7-223.392.7920.601.31196.446.290.119
KQ-7-431.353.5827.771.44131.606.120.114
KQ-7-630.363.4926.871.4347.595.680.115
KQ-7-1128.373.2925.081.4030.105.480.116
KQ-7-1328.373.2925.081.4077.275.890.116
KQ-7-1426.383.0923.291.3794.545.980.117
KQ-8-154.4016.3338.081.5830.945.490.300

Note. , axial load of fatigue specimens (kN); , width of crossed plate; , thickness of sphere; , nominal stress of fatigue specimens; , stress range; , stress ratio.

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