Abstract

The biodegradability and lightweight qualities of magnesium make it an appealing material for usage in aerospace and automotive applications and orthopedics. Magnesium is susceptible to corrosion, which restricts its use. Magnesium should be protected against corrosion in order to be used to its maximum potential. Corrosion inhibitors are one of the most well-liked and affordable techniques to stop corrosion in magnesium and its alloys. Chemicals that are frequently used as corrosion inhibitors include biotoxic ones, which raise serious toxicity issues. There is a great deal of interest in creating a green corrosion inhibitor that is non-toxic and safe for the environment due to the toxicity of the current inhibitors. This paper discusses the common green corrosion inhibitors. The application of ecologically friendly corrosion inhibitors for magnesium and its alloy is still being pursued by a relatively small number of scientists. The research utilizing green corrosion inhibitors for magnesium alloy has been reviewed in detail. In addition, the performances are tabulated and analyzed.