含<strong>Zr</strong>镁合金晶粒细化机理与研究进展

含Zr镁合金晶粒细化机理与研究进展

刘勇, 曾刚, 刘洪, 王煜, 李建龙

Grain Refinement Mechanism and Research Progress of Magnesium Alloy Incorporating Zr

LIU Yong, ZENG Gang, LIU Hong, WANG Yu, LI Jianlong

表2 不同处理工艺下镁合金细化效果对比^{[71,80,82,84,86,87,90,93,96]}

Table 2 Comparisons of magnesium alloy refining effects by various treatment processes^{[71,80,82,84,86,87,90,93,96]}

Treatment	Process	Alloy	Casting condition	Holding time / min	Average grain size / μm		Improvement rate / %	Ref.
Treatment	Process	Alloy	Casting condition	Holding time / min	Untreated	Treated	Improvement rate / %	Ref.
Mg-Zr refiner	UHFP-TIGR	Mg-9Gd-3Y-0.5Zr	Steel ladle	5	92	42	54	[80]
treated	Rolling	Mg-10Gd-3Y-0.5Zr	Steel ladle	15	86	60	30	[71]
	Rolling	Mg-0.5Zr	Steel ladle	30	162	145	10	[84]
	FSP	Mg-3Nd-0.2Zn-0.6Zr	Steel ladle	15	140	111	21	[86]
	ECAE	Mg-2Zn-0.1Zr	Metallic mold	-	131	110	16	[87]
Mg alloy melt	IMS	Mg-0.1Zr	-	30	321*	127	60	[90]
treated	UST	Mg-1.0Zr	-	-	294	94	65	[93]
	PMF	Mg-Gd-Y-Zr	Graphite crucible	-	65	37	43	[96]
	PEC	Mg-10Gd-3Y	Sand cast	-	115	89	23	[82]