超低碳奥氏体不锈钢焊接接头耐腐蚀性及环保型化学钝化工艺研究
孙晓光1(),韩晓辉1,张星爽2,张志毅1,李刚卿1,董超芳2
Corrosion Resistance and Environmentally-friendly Chemical Passivation of Welded Joints for Ultra-low Carbon Austenitic Stainless Steel
SUN Xiaoguang1(),HAN Xiaohui1,ZHANG Xingshuang2,ZHANG Zhiyi1,LI Gangqing1,DONG Chaofang2

图9. 304L-HWS不锈钢焊接接头区经柠檬酸钝化后的点蚀电位

Fig.9. Pit potentials of the matrix, weld zone and heat affected zone of HWS welded joint 304L stainless steel after chemical passivation