Microstructure Evolution and Grain Growth Model of AZ31 Magnesium Alloy under Condition of Isothermal

Figure 1

Microstructure of AZ31 Mg alloy at different heating temperature and holding time 45 min (a, original; b, 150°C; c, 200°C; d, 250°C; e, 300°C; f, 350°C; g, 400°C; h, 450°C).

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)