Using a new sustainable carbon reinforcement in magnesium matrix composites

Magnesium is not only light but also biodegradable. However, mechanical, tribological and corrosion properties of magnesium need to be enhanced for industrial applications. One of the most effective ways to improve these properties is by adding reinforcement materials. In this study, in contrast to the common carbonaceous reinforcements, hydrothermal carbons (HTCs) were used in pure magnesium for the first time. Bio/eco-friendly HTCs reinforced magnesium matrix composites with three different weight fractions (0.25, 0.50, and 1.00 wt %) were fabricated via powder metallurgy. As the most interesting result, the adding of a low amount of HTC improved the mechanical and tribological properties of magnesium. Even though the corrosion resistance was decreased, this decrement equal with other carbonaceous reinforcements. According to the results, HTC can be used as a promising material for magnesium matrix composites.