Nb对Fe22Cr5Al3Mo合金显微组织和耐腐蚀性能的影响
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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
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Effect of Nb on Microstructure and Corrosion Resistance of Fe22Cr5Al3Mo Alloy
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QIAN Yue 1,SUN Rongrong 1,ZHANG Wenhuai 1,YAO Meiyi 1( ),ZHANG Jinlong 1,ZHOU Bangxin 1,QIU Yunlong 2,YANG Jian 3,CHENG Guoguang 4,DONG Jianxin 5
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图6. 0Nb和1.0Nb合金在500 ℃、10.3 MPa过热蒸汽中腐蚀不同时间后氧化膜横截面的HAADF像(图6b中三角位置是氧化膜局部破裂区域)
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Fig.6. HAADF images of the cross-sectional oxide films formed on the 0Nb (a, c) and 1.0Nb (b, d) alloys after corrosion in 500 ℃, 10.3 MPa superheated steam for 3 h (a, b) and 500 h (c, d) |
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