拉伸变形对高氮奥氏体不锈钢显微组织和耐腐蚀性能的影响

郑椿, 刘嘉斌, 江来珠, 杨成, 姜美雪

Effect of Tensile Deformation on Microstructure and Corrosion Resistance of High Nitrogen Austenitic Stainless Steels

ZHENG Chun, LIU Jiabin, JIANG Laizhu, YANG Cheng, JIANG Meixue

表1 QN1803和304不锈钢化学成分 (mass fraction / %)

Table 1 Chemical compositions of QN1803 and 304 stainless steels

Steel C Si Mn P S Cr Ni Cu Mo N Fe QN1803 0.070 0.35 5.40 0.03 0.0005 18.2 3.20 1.05 0.12 0.225 Bal. 304 0.050 0.45 1.02 0.03 0.0020 18.2 8.02 0.10 0.03 0.045 Bal.