Study on the Microstructure and Mechanical Properties of As-Extruded AZ Magnesium Alloys by Micro-Adding La Rare-Earth Element

Figure 3

OM images of as-extruded AZ-0.3La alloys: (a, b) AZ01-0.3La.; (c, d) AZ31-0.3La; (e, f) AZ61-0.3La; and (g, h) AZ80-0.3La.