New Mg-3Zn-2Ca magnesium alloy was prepared using different processing techniques: gravity casting as well as squeeze casting in liquid and semisolid states. Materials were further thermally treated; thermal treatment of the gravity cast alloy was additionally combined with the equal channel angular pressing (ECAP). Alloy processed by the squeeze casting in liquid as well as in semisolid state exhibit improved plasticity; the ECAP processing positively influenced both the tensile and compressive characteristics of the alloy. Applied heat treatment influenced the distribution and chemical composition of present intermetallic phases. Influence of particular processing techniques, heat treatment, and intermetallic phase distribution is thoroughly discussed in relation to mechanical behavior of presented alloys.

Department of Materials Forming Faculty of Metallurgy and Materials Engineering VŠB Technical University of Ostrava 17 listopadu 15 Ostrava 725 29 Czech Republic

Department of Physics of Materials Faculty of Mathematics and Physics Charles University Prague Ke Karlovu 5 Praha 121 16 Czech Republic

Faculty of Mechanical Engineering Institute of Materials Science and Engineering Brno University of Technology Technická 2 Brno 616 69 Czech Republic

Institute of Physics of Materials Academy of Sciences of the Czech Republic v v i Žižkova 22 Brno 616 62 Czech Republic

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