Research Article

Solidification Behavior and Microstructure of Al-7Si Alloys with Individual and Combined Additions of Sr and Yb

Table 3

Nucleation (TN), minimum (TMin), and growth temperatures (TG) and eutectic recalescence for samples with different holding time after combined additions of (Sr + Yb).

TimeTNTMinTGΔTR

5 min5635605622
15 min5435415410
30 min5585545584
60 min5595545584
90 min5635615610
120 min5655635630
180 min5655635630