Tribological Analysis of Mg₂Si Particulates Reinforced Powder Metallurgy Magnesium Alloy Composites under Oil Lubrication Condition

Figure 3

Optical microscope and scanning electron microscope observation on hot extruded Mg-Y-Zn alloy composites with Mg₂Si particles of (a) 5 wt% and (b) 10 wt%. Repetition number in RPW process, 𝑁=400 cycles.

(a) Mg₂Si content; 5 wt%

(b) Mg₂Si content; 10 wt%