RT journal article
T1 Localized and stress corrosion cracking of sensitized Al-Mg-Sc-Zr alloy manufactured by laser powder bed fusion
A1 Cabrera Correa, Leticia
A1 González Rovira, Leandro
A1 Ojeda López, Adrián
A1 López Castro, Juan de Dios
A1 Botana Pedemonte, Francisco Javier
A2 Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica
A2 Ingeniería Mecánica y Diseño Industrial
K1 Aluminum
K1 polarization
K1 intergranular corrosion
K1 SEM
K1 Stress corrosion
K1 Weight loss
AB The effect of thermal ageing at 150 ºC on the corrosion behaviour of Scalmalloy® (Al-Mg-Sc-Zr) alloy additively manufactured by laser powder bed fusion (LPBF) is reported for the first time. Samples before and after the thermal treatment exhibit similar results on cyclic polarisation curves, electrochemical impedance measurements in 3.5 wt% NaCl, and tensile and hardness tests. However, electron microscopy characterisation reveals that the application of this temperature for sufficient time causes most of the grain limits to be decorated by Al3Mg2 particles which in turn provokes the sensitization of the alloy to intergranular corrosion processes due to microgalvanic coupling
PB Elsevier
SN 0010-938X
YR 2023
FD 2023-04-05
LK http://hdl.handle.net/10498/28812
UL http://hdl.handle.net/10498/28812
LA eng
NO SEM and TEM data were obtained at SC-ICYT University of Cadiz. L.G.R. acknowledges support from the Programme for Attracting Talent of UCA and from IMEYMAT: Institute of Research on Electron Microscopy and Materials, UCA. L.C.C. and A.O.L. acknowledge support from UCA and Titania , Ensayos y Proyectos Industriales S.L for their predoctoral positions. The authors would also like to acknowledge Titania, Ensayos y Proyectos Industriales S.L. for the support in the achievements of this work.
DS Repositorio Institucional de la Universidad de Cádiz
RD 11-nov-2026