敏化处理对00Cr21NiMn5Mo2N节镍型双相不锈钢堆焊层耐腐蚀性能的影响

包晔峰, 武竹雨, 陈哲, 郭林坡, 王子睿, 曹冲, 宋亓宁

Effect of Sensitization Treatment on Electrochemical Corrosion and Pitting Corrosion of 00Cr21NiMn5Mo2N Stainless Steel

BAO Yefeng, WU Zhuyu, CHEN Zhe, GUO Linpo, WANG Zirui, CAO Chong, SONG Qining

图1 固溶处理态及经不同时长敏化处理堆焊层试样的显微组织

Fig.1 Microstructures of welding cladding samples treated by solid solution at 1170 ℃ for 1 h (a) and then by sensitization at 800 ℃ for 30 min (b, c), 1 h (d, e), 2 h (f, g) and 4 h (h, j)