Research Article

Effect of Ca Concentration on Microstructure and Mechanical Properties of As-Cast and As-Extruded Quasicrystal-Strengthened Mg-7.2Zn-2.4Gd Alloy

Figure 3

SEM images of the as-cast Mg-Zn-Gd(-Ca) alloys: (a) Mg-7.2Zn-2.4Gd, (b) Mg-7.2Zn-2.4Gd-0.16Ca, (c) Mg-7.2Zn-2.4Gd-0.32Ca, and (d) Mg-7.2Zn-2.4Gd-0.64Ca.
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(b)
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