Influence of Grain Size and Texture on the Yield Strength of Mg Alloys Processed by Severe Plastic Deformation

Table 1

Summary of the grain size and yield strength of Mg alloys processed by ECAP and CEC.

Material	Processing	Strain (pass number)	Deformation temp./°C	Initial /m	Final /m	Initial /MPa	Final /MPa	Ref.
AZ31	Ex + ECAP + AN	8	200	~15	~15	~220	~110	Mukai et al. [18]
	Ex + ECAP	6	200	2.5	0.7	265	217	Lin et al. [34]
	Cast + ECAP	4	200	380	1~3	120	210	Janecek et al. [26]
	Ex + ECAP	4	200~320	48.3	2.5	200.5	180.3	H. K. Kim and W. J. Kim [35]
	Ex + ECAP(BC)	4.4	250	11	5	201	93	Seipp et al. [36]
	Ex + ECAP(C)	8.8	250	11	5.5	201	72
	Ex + ECAP(BC)	(6P)	280	24	4.8	202	110	Kim and Jeong [21]
	Ex + ECAP(A)	(4P)	200	7	1.9	142	221	Ding et al. [17]
	Ex + ECAP(BC)				1.8		138
	Ex + ECAP(C)				1.7		118
	Ex + CEC	10.5	300	25	1.77	189	140	Chen et al. [37]
AZ31	Ex + ECAP(BC)	4	200	20.2	1.6	136	109.2	Masoudpanah and Mahmudi [38]
AZ31 − 0.6RE				17.2	1.3	~146	129.8
AZ31 − 0.6Ca				13.7	1.9	~160	148.2
AZ31 − 0.3RE − 0.3Ca				15.1	1.2	~150	134.6
AZ31	Ex + ECAP(BC)	~4	220	29	2.5	111.7	117.5	Torbati-Sarraf and Mahmudi [27]
AZ31 + 0.3TiCAl				19	2.1	115.5	121.1
AZ31 + 0.6TiCAl				16	2.0	120.2	125.3
AZ31 + 1.0TiCAl				14	1.9	124.2	126.4
AZ61	Ex + ECAP(BC)	8	275	24.4	8.4	215	154	Kim et al. [22]
	Ex + AN + ECAP(BC)			>400	23	154	125
	Ex + AN + ECAP(A)			>400	22	154	163
AZ91	Rolling + ECAP	2	200	100	17	145	240	Yamashita et al. [24]
ZK60	Ex + CEC	6	230	15.2	1.4	248	215	Lin et al. [6]
	Ex + CEC	12	350	~20	~1.5	238	192	Lin et al. [10]
Mg-0.9% Al	Rolling + ECAP	2	200	100	17	57	141	Yamashita et al. [24]
			300		48		73.5
			400		78		97
Mg-Ni-Y-RE	Ex + ECAP	(1P)	310	4~5	<1	295	363	Eddahbi et al. [28]
			370		1.4		340
Mg-5.25 Zn-0.6Ca	Ex + ECAP(A)	4.2	250	4.3	1.3	178	246	Tong et al. [29]
	Ex + ECAP(BC)				0.7		180
	Ex + ECAP(C)				0.8		131
Mg-10Gd-2Y-0.5Zr	Ex + CEC	21.9	450	18	<1	225	270	Peng et al. [13]
	Ex + CEC	12.2	350	18	1.3	225	321	Lin [39]
Mg-Zn-Y-Nd	Ex + CEC	4	250	10~15	~1	183	185	Wu et al. [31]
Mg-Nd-Zn-Zr	Ex + CEC	12	350	5~20	~1	~172	~280	Zhang et al. [30]

Note. A: route A, B_C: route B_C, C: route C, Ex: extrusion, P: pass, AN: anneal, : grain size, and : yield stress.