Nb对Fe22Cr5Al3Mo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
),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
),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)
