超声冲击改善P355NL1钢焊接接头腐蚀疲劳性能研究
王永祥, 何柏林, 李力

Improvement of Corrosion Fatigue Performance of P355NL1 Steel Welded Joint by Ultrasonic Impact
WANG Yongxiang, HE Bolin, LI Li
表1 焊态试样在水介质中的疲劳寿命
Table 1 Fatigue lifes of joint specimens in water medium
Sample numberStress rangeCycle timesFracture location
12258.00×105Weld toe
22153.50×106Weld toe
32052.69×106Weld toe
41954.88×106Weld toe
51851.63×107Weld toe
61755.83×106Weld toe
71651.80×107Weld toe
81552.25×107Weld toe
91453.12×107Weld toe
101406.12×107Weld toe
111351.59×108Weld toe
121304.40×108Weld toe
131201.00×109Not broken