Figures & data
Figure 1. Microstructure of Mg–5Sn–2Ca alloy: (a) optical and (b) SEM images.
Figure 2. True stress–true strain curves of Mg–5Sn–2Ca alloy at different strain rates at (a) 350 °C and (b) 550 °C.
Figure 3. Processing map of Mg–5Sn–2Ca at a strain of .5. The numbers against the contours indicate efficiency of power dissipation in percent and the dark line separates the stable and unstable regions.
Figure 4. Microstructure of Mg–5Sn–2Ca deformed at (a) 350 °C/.0003 s−1 (Domain 1) and (b) 550 °C/10 s−1 (Domain 2). The compression axis is vertical.
Figure 5. Microstructure of Mg–5Sn–2Ca specimen deformed in the flow instability regimes at (a) 300 °C/10 s−1 and (b) 300 °C/.1 s−1, exhibiting shear band and flow localization (shown by arrows).
Figure 6. Variation of flow stress with strain rate of Mg–5Sn–2Ca alloy at different test temperatures.
Figure 7. Arrhenius plot for calculating apparent activation energy of Mg–5Sn–2Ca alloy at different strain rates.
