晶界工程对于改善304奥氏体不锈钢焊接热影响区耐晶间腐蚀性能的影响

杨辉, 夏爽, 张子龙, 赵清, 刘廷光, 周邦新, 白琴

IMPROVING THE INTERGRANULAR CORROSION RESISTANCE OF THE WELD HEAT-AFFECTED ZONE BY GRAIN BOUNDARY ENGINEERING IN 304 AUSTENITIC STAINLESS STEEL

YANG Hui, XIA Shuang, ZHANG Zilong, ZHAO Qing, LIU Tingguang, ZHOU Bangxin, BAI Qin

表1 样品A和B的处理工艺

Table 1 Thermal-mechanical treatment of specimens A and B

Specimen Cold 1100 ℃ Tensile 1100 ℃ rolling annealing strain annealing % time / min % time / min A 50 60 - - B 50 20 5 30