添加Ti对Fe22Cr5Al3Mo合金在500℃过热蒸汽中腐蚀行为的影响

孙蓉蓉, 姚美意, 林晓冬, 张文怀, 仇云龙, 胡丽娟, 谢耀平, 杨健, 董建新, 成国光

Effect of Ti on the Corrosion Behavior of Fe22Cr5Al3Mo Alloy in 500oC Superheated Steam

SUN Rongrong, YAO Meiyi, LIN Xiaodong, ZHANG Wenhuai, QIU Yunlong, HU Lijuan, XIE Yaoping, YANG Jian, DONG Jianxin, CHENG Guoguang

表4 0Ti、0.5Ti和1.0Ti合金在500℃、10.3 MPa过热蒸汽中腐蚀3、500和1000 h时氧化膜的厚度 (nm)

Table 4 Average thicknesses of oxide films formed on the 0Ti, 0.5Ti, and 1.0Ti alloys corroded in 500oC and 10.3 MPa superheated steam for 3 h, 500 h, and 1000 h

Alloy 3 h 500 h 1000 h 0Ti 250 ± 100 600 ± 30 720 ± 50 0.5Ti 60 ± 25 180 ± 85 330 ± 80 1.0Ti 60 ± 20 230 ± 65 370 ± 50