Abstract
Recently, CaO added Mg-Al alloy sheets exhibited improved strength and elongation due to the effects of dispersion hardening and grain-refining by intermetallic compounds such as Al2Ca and (Mg,Al)2Ca and improved melt cleanliness. However, there is little study on these effects in Mg-Zn alloy system. In this study, as-cast ingots were prepared by melting Mg, Zn, Mg-25Y master alloy and Mg-3CaO master alloy in an electric resistance furnace under SF6+CO2 atmosphere. Sheet specimens were prepared by hot rolling process after indirect extrusion. The mechanical properties of CaO added Mg-6Zn-1.2Y specimens varied significantly with annealing process while the variation of mechanical properties of Mg-6Zn-1.2Y specimen was small. In addition, the texture of specimens with CaO (Ca in ICP analysis) was different from that of specimen without CaO. Therefore, we discussed the effect of microstructure and texture on mechanical properties and deformation behavior of CaO added Mg-6Zn-1.2Y sheet.
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Lim, H.K., Yoon, YO., Kim, S.K. (2013). Investigation of Mechanical Properties and Deformation Behavior of CaO Added Mg-6Zn-1.2Y Sheets. In: Hort, N., Mathaudhu, S.N., Neelameggham, N.R., Alderman, M. (eds) Magnesium Technology 2013. Springer, Cham. https://doi.org/10.1007/978-3-319-48150-0_36
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DOI: https://doi.org/10.1007/978-3-319-48150-0_36
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