Optimization of Magnesium Alloy Wheel Dynamic Impact Performance

Table 1

Properties of aluminum, steel, and magnesium.

Material properties			Aluminum (6061-T6)		Magnesium (AZ91)	Steel (SPFH540)
(a) Mechanical properties of aluminum, steel, and magnesium
Density (kg/m³)			2700		1830	7850
Modulus of elasticity (GPa)			69		45	210
Poisson ratio			0.33		0.35	0.3
Yield strength (GPa)			0.276		0.16	0.355
Material	Magnesium (%)	Aluminum (%)	Zinc (%)	Manganese (%)	Silicon (%)	Iron (%)	Other elements (%)
(b) Composition of Magnesium alloy
Magnesium (AZ91)	Remainder	8.3–9.7	0.35–1.0	0.15–0.5	0.1 max	0.004 max	0.3 max
Material	Aluminum (%)	Silicon (%)	Iron (%)	Copper (%)	Magnesium (%)	Zinc (%)	Other elements (%)
(c) Composition of Aluminum alloy
Aluminum (6061-T6)	Remainder	0.4–0.81	0.7 max	0.15–0.4	0.8–1.2	0.25 max	0.15 max