Essential Magnesium Alloys Binary Phase Diagrams and Their Thermochemical Data

Table 2

Crystal structure data for Mg-Al intermetallic compounds.

Phase	Prototype	Space group number	Space group	Lattice parameter (nm)			Reference
				𝑎	𝑏	𝑐
Al30Mg23 (𝜀)	Al30Mg23	148	R 3 h	1.2825	1.2825	2.1748	[137]
Al140Mg89 (𝛽)	Al45Mg28	227	F D 3 m	2.8300	2.8300	2.8300	[137]
Al12Mg17 (𝛾)	Al12Mg17	217	I 4 3 m	1.0544	1.0544	1.0544	[137]