同成分的超细贝氏体钢和Q&P钢在海水中应力腐蚀开裂行为对比研究

苏志诚, 张弦, 程焱, 刘静, 吴开明

Comparative Study on Stress Corrosion Cracking Behavior of Ultrafine Bainitic Steel and Q&P Steel with Same Composition in Seawater

SU Zhicheng, ZHANG Xian, CHENG Yan, LIU Jing, WU Kaiming

表1 超细贝氏体钢与Q&P钢中不同组织的尺寸统计

Table1 Statistical data of sizes of various microstructures for ultrafine bainite steel and Q&P steel

Sample Number Average value / nm Variance / nm² Standard deviation / nm B(RA) 100 86 373 19 BF 100 171 942 30 QP(RA) 100 137 1669 40 M 100 209 1961 44