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Magnesium lithium alloys are considered to be ultra-lightweight. This is due to the addition of lithium ions. The alloy also has excellent properties on a mass basis.
The highest ultimate tensile strength of Mg-Li alloys is reported to be 328 MPa. However, it is not known whether these alloys are based on pure lithium or a mixed crystal structure.
The alloys are also lighter than pure magnesium. They are also characterized by a cubic crystal structure. There is a higher level of super saturated solubility in b-solid solution, which may help to achieve an excellent aging response.
Various studies have been done on this system. These include studies by Freeth, Raynor, Hibbard, and Frost.
These studies focused on a number of different aspects of the interaction between lithium and magnesium. For example, scientists proposed a new molecular model of the lithium’s biologically active form. Also, anodic hydrogen evolution (AHE) was studied. AHE is the formation of atoms through the reaction between anodic and cathodic hydrogens.
Several studies have been done on the corrosion resistance of Mg-Li alloys. Most of the literature reports on this topic use Al as an alloying element.
In addition, the influence of ceramic inclusions on mechanical properties of Mg-Li composites has been examined. This includes study of grazing incidence X-ray diffraction, electron energy loss spectroscopy, and Raman spectroscopy.
Some studies have focused on the negative difference effect. Specifically, this involves the oxidation of univalent Mg. Anodic polarization of Mg alloys increases the rate of this reaction.
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