NbFe22Cr5Al3Mo合金显微组织和耐腐蚀性能的影响
钱月1,孙蓉蓉1,张文怀1,姚美意1(),张金龙1,周邦新1,仇云龙2,杨健3,成国光4,董建新5
Effect of Nb on Microstructure and Corrosion Resistance of Fe22Cr5Al3Mo Alloy
QIAN Yue1,SUN Rongrong1,ZHANG Wenhuai1,YAO Meiyi1(),ZHANG Jinlong1,ZHOU Bangxin1,QIU Yunlong2,YANG Jian3,CHENG Guoguang4,DONG Jianxin5

图5. 0Nb和1.0Nb合金在500 ℃、10.3 MPa过热蒸汽中腐蚀不同时间氧化膜外表面SEM像

Fig.5. SEM images of oxide films formed on the 0Nb (a1~a3) and 1.0Nb (b1~b3) alloys after corrosion in 500 ℃, 10.3 MPa superheated steam for 3 h (a1, b1), 500 h (a2, b2) and 1000 h (a3, b3)