含Nb奥氏体不锈钢中NbC的液态Pb-Bi共晶腐蚀行为及其对氧化层形成的影响

吴炀, 谢昂, 陈胜虎, 姜海昌, 戎利建

Corrosion Behavior of NbC and Its Effect on Corrosion Layer Formation in Liquid Lead-Bismuth Eutectic of Nb-Containing Austenitic Stainless Steel

WU Yang, XIE Ang, CHEN Shenghu, JIANG Haichang, RONG Lijian

图6 固溶态样品经550 ℃饱和氧LBE腐蚀50 h后表面形貌的SEM像、EDS及XPS分析结果

Fig.6 SEM surface morphologies (a-c) and XPS spectrum of Nb3d in surface oxide scale (d) in solution-treated Nb-containing austenitic stainless steel after exposure to oxygen-saturated LBE at 550 oC for 50 h (a) low magnified SEM image (b, c) high magnified SEM images of areas covered without (b) and with (c) oxide layer