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3 超声冲击试样在6%NaCl介质中的疲劳寿命
Table 3 Fatigue lifes of ultrasonic impact treated specimens in 6%NaCl medium
Sample numberStress rangeCycle timesFracture location
13101.08×106Soldering seam
23001.50×106Soldering seam
32903.40×106Soldering seam
42805.04×106Base metal
52706.33×106Soldering seam
62609.20×106Base metal
72501.03×107Base metal
82402.40×107Soldering seam
92304.30×107Soldering seam
102201.20×108Soldering seam
112155.46×108Soldering seam
122101.00×109Not broken
132101.00×109Not broken