alexa The Possibility Of Producing A Stainless Magnesium Alloy
ISSN: 2161-0398

Journal of Physical Chemistry & Biophysics
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3rd International Conference on Electrochemistry
July 10-11, 2017 Berlin, Germany

Guang-Ling Song
Xiamen University, China
Posters & Accepted Abstracts: J Phys Chem Biophys
DOI: 10.4172/2161-0398-C1-020
Mg alloys are of industrial interest as structural metals due to their low density and high strength to weight ratio. However, the poor corrosion resistance limits their applications. Inspired by the high corrosion resistance of stainless steels, researchers are trying to develop more corrosion resistant Mg alloys. It has been proposed that “stainless” Mg alloys is possible if suitable alloying elements can be added into Mg. This presentation reviews and discusses the possibility of producing a passive magnesium (Mg) alloy through metallurgical approaches, such as purification, alloying, heat-treatment, mechanical processing and non-equilibrium sputter deposition. It shows that high-purity Mg and all existing Mg alloys produced by traditional methods are active in a chloride containing solution. A passive corrosion resistant Mg alloy would require a protective surface film which can self-repair if damaged. Sputter-deposited and rapidly solidified single phase Mg alloys containing supersaturated alloying elements Ti, Ni, Nd, Y and Cu have shown a passivation tendency in a dilute chloride containing solution. Passivity in an Mg alloy might be achieved through a non-equilibrium technique with a sufficiently-high concentration of a strong passivating element supersaturated in the matrix phase. Apart from the clarification of some important concepts regarding passivity of Mg alloys, the presentation also suggests a few possible approaches to develop a corrosion-resistant passive Mg alloy.

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