Enhanced Mechanical Properties of Mg-6Sn-3Al-1Zn Alloy with Bimodal Grain Size Disturbed in the Microstructure Uniformly through Changing the Rolling Temperature

Table 1

The average sizes and volume fractions of Mg₂Sn phases, small grains, and big grains of alloys rolled at different temperatures.

Rolling temperature (°C)	The average size (μm)			The volume fraction (%)
	Small grains	Large grains	Mg2Sn phases	Small grains	Large grains	Mg2Sn phases
300	3.68	11.29	18.6	7.2	89.2	3.6
350	3.59	10.05	17.6	13.1	83.1	3.8
400	3.66	9.24	19.5	18.6	77.6	3.8
450	3. 72	9.68	39.3	16.4	73.9	9.7