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

Figure 4

SEM morphologies of as-extruded AZ-0.3La alloys: (a) AZ01-0.3La; (b) AZ31-0.3La; (c) AZ61-0.3La; and (d) AZ80-0.3La.