低合金化高性能变形镁合金研究现状及展望

王慧远, 夏楠, 布如宇, 王珵, 查敏, 杨治政

Current Research and Future Prospect on Low-Alloyed High-Performance Wrought Magnesium Alloys

WANG Huiyuan, XIA Nan, BU Ruyu, WANG Cheng, ZHA Min, YANG Zhizheng

表1 不同方法制备的高强度低合金化变形镁合金^[6~13]

Table 1 High-strength low-alloyed wrought Mg alloys prepared by different processing methods^[6-13]

Alloy	Processing	Grain size μm	UTS MPa	YS MPa	EL %	Ref.
		Grain size μm	UTS MPa	YS MPa	EL %
Mg-1.0Ca-1.0Al-0.2Zn-0.1Mn	Extrusion	0.37	470	425	11.1	[6]
Mg-1.3Al-0.3Ca-0.4Mn	Extrusion	17	306	287	20.0	[7]
Mg-1.0Zn-1.0Al-0.5Ca-0.4Mn-0.2Ce	Rolling	9.6	332	270	25.8	[8]
Mg-0.13Ca	Extrusion	1.27	300	290	13.0	[9]
Mg-1.02Ca	Extrusion	0.84	392	377	2.0	[9]
AZ31	HRDSR	0.6	401	382	7.3	[10]
AZ31	ECAP	0.37	445	372	9.7	[11]
AZ31	ECAP	1.78	385	150	29.5	[12]
AZ31	ECAP + rolling	-	410	378	5.0	[12]
AZ31	ECAP + rolling + EPT	1.2	430	320	12.9	[12]
Mg-2Sn-2Ca	Extrusion	0.32	460	443	1.2	[13]
Mg-2Sn-2Ca	Extrusion	0.48	435	420	3.0	[13]
Mg-2Sn-2Ca	Extrusion	0.65	386	414	5.8	[13]