Abstract
This work presents a study on direct preparation of quarternary Mg–Li–Al–Yb alloys in LiCl–KCl–MgCl2–AlCl3–Yb2O3 melt on W electrodes at 923 K. The electrochemical formation of intermetallics was investigated by electrochemical techniques of cyclic voltammetry and chronopotentiometry. The results showed that the deposition potential of Mg was a little more positive than that of Al–Yb alloy. The signals related to the formation of ternary Mg–Al–Yb intermetallics were detected in the melt. Quarternary Mg–Li–Al–Yb alloys were prepared via co-reduction of Mg(II), Li(I), Al(III) and Yb(III) on W electrodes at 923 K. Different intermetallics were identified via X-ray diffraction (XRD), and Al2Yb was found to be a stable phase in Mg–Li–Al–Yb alloys. The morphology and micro-zone chemical analysis of the bulk Mg–Li–Al–Yb alloys were characterized by optical microscopy (OM) and scanning electron microscopy (SEM) equipped with energy dispersive spectrometry (EDS). Moreover, the corrosion resistance property of Mg–Li–Al–Yb alloy was investigated in 3.5 wt% NaCl via potentiodynamic polarization.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.