Magnesium Alloy-AZ91
Alternative Designations: Magnesium Alloy-AZ91
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Description
AZ91 is a magnesium alloy containing around 9% aluminum and 1% zinc. It has very low density (1.8 g/cm³) and offers better strength than pure magnesium, though its corrosion resistance is poor and requires surface protection.
Key Features
1. Ultra-lightweight (about 30% lighter than aluminum alloys) 2. Good castability (excellent fluidity) 3. Moderate strength (tensile strength ≥ 230 MPa) 4. Poor corrosion resistance (protective surface coatings required)