Effect of Casting Parameters on the Microstructural and Mechanical Behavior of Magnesium AZ31-B Alloy Strips Cast on a Single Belt Casting Simulator

Table 5

Microstructure analyses of strips.

Depth of groove	Thickness	Coating	Heat flux	Grain Size (𝜇m)		SDAS (𝜇m)
				Bottom	Top	Bottom	Top
0.15	3 mm	No	6.6	35	100	5.39	6.1
0.09	3 mm	No	5.775	64	110	7.7	6.14
0.24	3 mm	No	5.175	70	117	8.5	7.15
0	3 mm	No	5.062	77	121	8.6	9.2
0.3	3 mm	No	4.375	91	136	8.9	10
0.6	3 mm	No	3.35	92	138	9.02	10.5
0.15	3 mm	Yes	3.5	103	110	8.5	9.1
0.09	3 mm	Yes	3.2	108	120	10.04	11.8
0.24	3 mm	Yes	2.9	110	127	10.8	12.4
0	3 mm	Yes	2.85	115	129	11.5	12.8
0.3	3 mm	Yes	2.58	132	137	11.58	13.5
0.6	3 mm	Yes	2.5	134	140	11.91	13.8
0.15	1 mm	Yes	2.5	108	132	8.2	9.8
0.09	1 mm	Yes	2.33	125	135	10.5	11
0.24	1 mm	Yes	2.166	138	142	11.7	12.4
0	1 mm	Yes	2.12	140	150	12.2	14
0.3	1 mm	Yes	1.83	150	162	12.4	15.6
0.6	1 mm	Yes	1.72	155	175	13	17
0 (steel )	3 mm	No	1.2	157	225	14	18
		Yes	0.71	350	470	20	25