Influence of Processing Techniques on Microstructure and Mechanical Properties of a Biodegradable Mg-3Zn-2Ca Alloy

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...

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Bibliographic Details
Published in:Materials 2016-10, Vol.9 (11), p.880-880
Main Authors: Doležal, Pavel, Zapletal, Josef, Fintová, Stanislava, Trojanová, Zuzanka, Greger, Miroslav, Roupcová, Pavla, Podrábský, Tomáš
Format: Article
Language:English
Subjects:
Biodegradable materials
Corrosion potential
Corrosion resistance
Ductility
Equal channel angular pressing
Fractures
Grain size
Heat treatment
Intermetallic compounds
Intermetallic phases
Liquids
Magnesium alloys
Magnesium base alloys
Mechanical properties
Physics
Semisolids
Squeeze casting
Tensile strength
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Summary: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.
ISSN:1996-1944
1996-1944
DOI:10.3390/ma9110880