Fig. 3. (a) SEM SE-picture of the alloy 226D with 0.04 wt.-% Sr addition, (b) SEM BSE-picture on the same position as the SE-picture, (c) analysed and dyed SEM SE-picture
with the informations from the SE- and BSE-picture of the present phases and (d) magnification of the detection of Si phase and intermetallic phases formed with heavy element
by MIPAR.