Analyzing the Properties of Medium Carbon Steel Alloys Prepared by Powder Metallurgy Technique

The main objective of this study is to investigate the physical and mechanical properties of the medium carbon steel alloys (MCSAs) prepared by the powder metallurgy technique. These alloys were designated as Fe-0.7 wt% Graphite (MCSA-1), Fe-0.7 wt% Graphite-5.0 wt% Mn (MCSA-2), Fe-0.7 wt% Graphite-5.0 wt% Cr (MCSA-3). Sintering was done at 1150 °C temperature for 2 h under the inert environment of helium gas to avoid any possibility of oxidation. The phase and microstructural examination of the MCSAs was done by using x-ray diffraction (XRD). The micro-hardness of the MCSAs studied with the help of Brinell hardness tester. MCSAs displayed higher hardness as compared to MCS; however, among the MCSAs, the hardness of the MCSA-2 and MCSA-3 revealed better results as compared to MCSA-1.