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

Table 4

Enthalpies of formation of Al-(Si)-RE compounds (T = 0 K).

Intermetallic compounds	Formation enthalpy ΔH (kJ/mol)	Reference
Al4Sr	−31.2	[25]
Al2Sr	−28.4	[25]
Al7Sr8	−19.3	[25]
Al2Si2Sr	−31.38	[26]
Al3Yb	−31.9	[27]
Al2Si2Yb	−34.33	This work