海工结构用2205双相不锈钢氢致开裂行为研究

童海生,孙彦辉,宿彦京,庞晓露,高克玮

Investigation on Hydrogen-induced Cracking Behavior of 2205 Duplex Stainless Steel Used for Marine Structure

Haisheng TONG,Yanhui SUN,Yanjing SU,Xiaolu PANG,Kewei GAO

表1 两种双相不锈钢钢筋的化学成分

Table 1 Chemical compositions of two duplex stainless steels

Steel C Si Mn P S Cr Ni Mo N B Fe A-DSS 0.022 0.45 1.21 0.021 0.0011 21.85 5.15 2.94 0.15 0.0026 Bal. B-DSS 0.026 0.42 0.96 0.026 0.0013 22.43 4.92 3.15 0.18 0.0016 Bal.