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 1
Optical micrographs 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.
(a) |
(b) |
(c) |
(d) |