Study on the Microstructure and Mechanical Properties of As-Extruded AZ Magnesium Alloys by Micro-Adding La Rare-Earth Element

Table 2

EDS analysis results of precipitates in as-cast studied alloys (in %).

Alloy	Precipitate	Elements
		Mg	Al	La	Zn	Mn	Total
AZ01-0.3La	A(Mg-La-Mn)	82.5	—	7.17	0.91	9.42	100
	B(Mg12La)	94.3	—	5.08	0.62	—	100
AZ31-0.3La	C(Al11La3)	22.8	57.6	15.1	4.50	—	100
	D(Mg-Al-La-Mn)	50.7	35.3	10.9	2.52	0.58	100
AZ61-0.3La	E(Al11La3)	35.4	47.8	14.4	2.40	—	100
AZ80-0.3La	F(Al11La3)	56.6	31.7	10.6	1.10	—	100
	G(Mg-Al-La-Mn)	20.5	52.0	7.90	—	19.6	100