增材制造合金在核能领域应用中的腐蚀研究进展

戴念维, 窦欣懿, 刘华剑, 冷滨

Research Progress on Corrosion of Additively Manufactured Alloys Applied in Nuclear Energy Field

DAI Nianwei, DOU Xinyi, LIU Huajian, LENG Bin

图3 AM制备的FeCrAl和ODS-FeCrAl合金的微观组织结构及其在LBE中的腐蚀行为特征[35,42]

Fig.3 Microstructures and corresponding corrosion characteristics of AM-produced FeCrAl and ODS-FeCrAl alloys in LBE: (a) longitudinal and transverse microstructures of PM C26M and APMT2 alloys, (b-g) SEM and focused ion beam (FIB) analysis of AMC26M samples after 12 months immersion in three autoclaves, (h-k) backscattered electron (BSE) images, IPF, band contrast and grain boundaries overlaid maps of ODS, (l) FIB thin foil for ODS, (m) high-angle annular dark-field (HADDF) image of oxide layer, (n) bright field (BF)-TEM image corresponding to Fig.3m, (o) HADDF image corresponding to Fig.3m and energy dispersive spectrometer (EDS) mappings[35,42]