高温高压CO2 环境中超级13Cr不锈钢点蚀有限元模拟

凌东, 何坤, 余靓, 董立谨, 张华礼, 李玉飞, 王勤英, 张智

Finite Element Simulation of Pitting Corrosion of Super 13Cr Stainless Steel in High-temperature and High-pressured CO2 Containing Artificial Formation Waters

LING Dong, HE Kun, YU Liang, DONG Lijin, ZHANG Huali, LI Yufei, WANG Qinying, ZHANG Zhi

表4 不同温度下的平衡系数

Tabel 4 Equilibrium coefficient at different temperatures

Equilibrium coefficient 60oC 95oC 150oC KH 1.17 × 10-2 7.7 1× 10-3 3.72 × 10-4 KH,f 2.37 × 10-6 2.00 × 10-1 2.49 × 105 K1 4.96 × 10-4 4.09 × 10-4 2.97 × 10-4 K1,f 9.52 × 107 5.39 × 108 4.51 × 109 K2 7.98 × 10-9 8.46 × 10-9 5.70 × 10-9 K2,f 1.00 × 109 1.00 × 109 1.00 × 109