热输入对Q1100钢焊接接头低温韧性及耐蚀性能的影响

陈杰, 李红英, 周文浩, 张青学, 汤伟, 刘丹

Effect of Heat Input on Low Temperature Toughness and Corrosion Resistance of Q1100 Steel Welded Joints

CHEN Jie, LI Hongying, ZHOU Wenhao, ZHANG Qingxue, TANG Wei, LIU Dan

表2 电化学阻抗谱拟合的电化学参数

Table 2 Fitting electrochemical parameters of EIS of two welded joints

Heat input Different regions Rs/Ω·cm2 Rt/Ω·cm2 Y0/Ω-1·cm-2·s-n n 10 kJ/cm HAZ 7.69 2242 3.609×10-4 0.8297 WZ 11.98 1922 2.485×10-4 0.8365 BM 13.47 2540 3.687×10-4 0.8326 15 kJ/cm HAZ 8.59 2086 3.809×10-4 0.8392 WZ 9.46 1883 3.443×10-4 0.8322 BM 13.47 2540 3.687×10-4 0.8326