Effect of reinforcements on mechanical and tribological behavior of magnesium-based composites: a review


The challenges faced in the development of light materials, motivate researchers to produce materials with improved characteristics, which have wide applications in the biomedical, automotive, defense, and aviation industries. The limited availability of monolithic or natural materials on the earth can be another reason to develop a newer version of metals, alloys, and composites. These developed materials should have enhanced physical, mechanical, and tribological properties. The present article discusses the effect of numerous reinforcements with different weight/volume percentages on the hardness, tensile strength, corrosion, and wear resistance of Mg-based metal matrix composites (Mg-MMCs).
It has been observed that the hardness and tensile strength of Mg-MMCs range from
34-152.7 HV and 45-240 MPa, respectively, and its corrosion current density reduces from 549.21-1.923 µA cm-2. This research paper also focused on the effect of various wear and friction process parameters such as applied load (10-80 N), sliding distance (100-2000 m), sliding velocity (1-3 m/s), sliding time (5-30 minutes), and the effect of different weight/volume reinforcement percentages (0-25%) on the performance of Mg-MMCs during wear and friction phenomenon. The material loss during wear measurement and coefficient of friction (COF) of Mg-MMCs ranges from 0.0174 -0.09 g and 0.90-0.0234, respectively.