δ-铁素体对增材制造304L不锈钢液态铅铋腐蚀行为的影响

庞曰艺, 张立波, 宁方强, 赵志坡, 闫宏, 刘佳

Effect of δ-ferrite on Corrosion Behavior of Additively Manufactured 304L Stainless Steel in Liquid Lead-bismuth

PANG Yueyi, ZHANG Libo, NING Fangqiang, ZHAO Zhipo, YAN Hong, LIU Jia

图4 WAAM 304L不锈钢在550 ℃、饱和氧的液态LBE中浸泡1000 h后的氧化膜截面SEM形貌和EDS结果

Fig.4 SEM morphologies of the cross-section of oxide film of WAAM 304L stainless steel after 1000 h exposed in liquid LBE under saturated-oxygen condition at 550 oC: (a) before etching, (b) after etching, and (c) EDS line scan corresponding to (b)