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4 超声冲击态试样与焊态试样电化学腐蚀数据表

Table 4 Electrochemical corrosion data of as-welded and ultrasonic impact treated specimens

Sample	EV	$\bar{E}$ V	ImA·cm^-2	$\bar{I}$ mA·cm^-2	Vmm·a^-1	$\bar{V}$ mm·a^-1
UIT	-1.059	-1.062	0.0356	0.0374	0.4522	0.4424
	-1.065		0.0387		0.4397
	-1.062		0.0379		0.4352
As welded	-1.044	-1.049	0.0419	0.0425	0.4935	0.5028
	-1.052		0.0430		0.5163
	-1.047		0.0426		0.4986