高等级合金CO2环境下的腐蚀行为研究

梁志远, 徐一鸣, 王硕, 李玉峰, 赵钦新

Corrosion Behavior of Heat-resistant Alloys in High Temperature CO2 Environment

LIANG Zhiyuan, XU Yiming, WANG Shuo, LI Yufeng, ZHAO Qinxin

表1 3种材料的材料成分

Table 1 Chemical compositions of three heat-resistant alloys (mass fraction / %)

Material C Si Mn Cr Ni Fe Ti Others Sanicro 25 steel 0.08 0.20 0.50 22.50 25.00 Bal. --- P:0.02, S:0.04, Nb:0.50 HR230 alloy 0.10 0.30 0.50 22.10 Bal~59.90 --- 0.01 W:14.2, Mo:1.20, Al:0.37 740H alloy 0.028 0.03 0.02 24.73 Bal. 0.12 1.31 Al:1.53, Mo:0.3, Co:20.3